Skip to main content Skip to navigation

Single Crystal Growth at Warwick

A list of papers containing results collected, in full or in part, using single crystals or polycrystalline samples prepared as part of the Single Crystal Growth at Warwick grant - 2015 to 2018. None of the papers listed here contain work that can attributed to any other EPSRC funded projects performed by the Superconductivity and Magnetism Group during this period.

EP/M028771/1 Single Crystal Growth at Warwick, January 2015 - July 2018


2018

Superconducting and normal-state properties of the noncentrosymmetric superconductor Re3Ta, J. A. T. Barker, B. D. Breen, R. Hanson, A. D. Hillier, M. R. Lees, G. Balakrishnan, D. M. Paul, R. P. Singh, Phys. Rev. B 98, 104506 (2018).


Temperature and field dependence of the intrinsic tunnelling structure in overdoped Bi2Sr2CaCu2O8F8+delta, T. M. Benseman, J. R. Cooper, G. Balakrishnan, Phys. Rev. B 98, 014507 (2018).


Special temperatures in frustrated ferromagnets, L. Bovo, M. Twengstrom, O. A. Petrenko, T. Fennell, M. J. P. Gingras, S. T. Bramwell, P. Henelius, Nat. Commun. 9, 1999 (2018).


Magnetisation process in the rare earth tetraborides, NdB4 and HoB4, D. Brunt, G. Balakrishnan, D. A. Mayoh, M. R. Lees, D. Gorbunov, N. Qureshi, O. A. Petrenko, Sci. Rep. 8, 232 (2018).


Coupling between Spin and Charge Order Driven by Magnetic Field in Triangular Ising System LuFe2O4+delta, L. Ding, F. Orlandi, D. D. Khalyavin, A. T. Boothroyd, D. Prabhakaran, G. Balakrishnan, P. Manuel, Crystals 8, 88 (2018).


Electronic Structure and Enhanced Charge-Density Wave Order of Monolayer VSe2, J. G. Feng, D. Biswas, A. Rajan, M. D. Watson, F. Mazzola, O. J. Clark, K. Underwood, I. Markovic, M. McLaren, A. Hunter, D. M. Burn, L. B. Duffy, S. Barua, G. Balakrishnan, F. Bertran, P. Le Fevre, T. K. Kim, G. van der Laan, T. Hesjedal, P. Wahl, P. D. C. King, Nano Letters 18, 4493 (2018).


Manifolds of magnetic ordered states and excitations in the almost Heisenberg pyrochlore antiferromagnet MgCr2O4, S. Gao, K. Guratinder, U. Stuhr, J. S. White, M. Mansson, B. Roessli, T. Fennell, V. Tsurkan, A. Loidl, M. C. Hatnean, G. Balakrishnan, S. Raymond, L. Chapon, V. O. Garlea, A. T. Savici, A. Cervellino, A. Bombardi, D. Chernyshov, C. Ruegg, J. T. Haraldsen, O. Zaharko, Phys. Rev. B 97, 134430 (2018).


Pauling Entropy, Metastability, and Equilibrium in Dy2Ti2O7 Spin Ice, S. R. Giblin, M. Twengstrom, L. Bovo, M. Ruminy, M. Bartkowiak, P. Manuel, J. C. Andresen, D. Prabhakaran, G. Balakrishnan, E. Pomjakushina, C. Paulsen, E. Lhotel, L. Keller, M. Frontzek, S. C. Capelli, O. Zaharko, P. A. McClarty, S. T. Bramwell, P. Henelius, T. Fennell, Phys. Rev. Lett. 121, 067202 (2018).


Fermi surface in the absence of a Fermi liquid in the Kondo insulator SmB6, M. Hartstein, W. H. Toews, Y. T. Hsu, B. Zeng, X. Chen, M. C. Hatnean, Q. R. Zhang, S. Nakamura, A. S. Padgett, G. Rodway-Gant, J. Berk, M. K. Kingston, G. H. Zhang, M. K. Chan, S. Yamashita, T. Sakakibara, Y. Takano, J. H. Park, L. Balicas, N. Harrison, N. Shitsevalova, G. Balakrishnan, G. G. Lonzarich, R. W. Hill, M. Sutherland, S. E. Sebastian, Nat. Phys. 14, 166 (2018).


Low temperature magnetic properties of Nd2Ru2O7, S. T. Ku, D. Kumar, M. R. Lees, W. T. Lee, R. Aldus, A. Studer, P. Imperia, S. Asai, T. Masuda, S. W. Chen, J. M. Chen, L. J. Chang, J. Phys.-Condens. Mat. 30, 155601 (2018).


Evidence for dynamic kagome ice, E. Lhotel, S. Petit, M. C. Hatnean, J. Ollivier, H. Mutka, E. Ressouche, M. R. Lees, G. Balakrishnan, Nat. Commun. 9, 3786 (2018).


Fermi surfaces in Kondo insulators, H. Liu, M. Hartstein, G. J. Wallace, A. J. Davies, M. C. Hatnean, M. D. Johannes, N. Shitsevalova, G. Balakrishnan, S. E. Sebastian, J. Phys.-Condens. Mat. 30, 16lt01 (2018).


Multigap superconductivity in chiral noncentrosymmetric TaRh2B2, D. A. Mayoh, A. D. Hillier, K. Gotze, D. M. Paul, G. Balakrishnan, M. R. Lees, Phys. Rev. B 98, 014502 (2018).


Electron-irradiation induced defects in Yb2Ti2.05O7, A. Mostaed, G. Balakrishnan, M. R. Lees, R. Beanland, Acta Materialia 143, 291 (2018).


Experimental signatures of emergent quantum electrodynamics in Pr2Hf2O7, R. Sibille, N. Gauthier, H. Yan, M. C. Hatnean, J. Ollivier, B. Winn, U. Filges, G. Balakrishnan, M. Kenzelmann, N. Shannon, T. Fennell, Nat. Phys. 14, 711 (2018).


Suppression of magnetic excitations near the surface of the topological Kondo insulator SmB6, P. K. Biswas, M. Legner, G. Balakrishnan, M. C. Hatnean, M. R. Lees, D. M. Paul, E. Pomjakushina, T. Prokscha, A. Suter, T. Neupert, Z. Salman, Phys. Rev. B 95, 020410 (2017).


2017

Probing the interplay between surface and bulk states in the topological Kondo insulator SmB6 through conductance fluctuation spectroscopy, S. Biswas, M. C. Hatnean, G. Balakrishnan, A. Bid, Phys. Rev. B 95, 205403 (2017).


Field-induced magnetic states in holmium tetraboride, D. Brunt, G. Balakrishnan, A. R. Wildes, B. Ouladdiaf, N. Qureshi, O. A. Petrenko, Phys. Rev. B 95, 024410 (2017).


Single crystal growth, structure and magnetic properties of Pr2Hf2O7 pyrochlore, M. C. Hatnean, R. Sibille, M. R. Lees, M. Kenzelmann, V. Ban, V. Pomjakushin, G. Balakrishnan, J. Phys.-Condens. Mat. 29, 075902 (2017).


Terahertz Spectra Revealing the Collective Excitation Mode in Charge-Density-Wave Single Crystal LuFe2O4, X. M. Liu, Z. M. Jin, Z. X. Cheng, X. Lin, G. Balakrishnan, G. H. Ma, Physica Status Solidi-Rapid Research Letters 11, 1700177 (2017).


Disorder and Quantum Spin Ice, N. Martin, P. Bonville, E. Lhotel, S. Guitteny, A. Wildes, C. Decorse, M. C. Hatnean, G. Balakrishnan, I. Mirebeau, S. Petit, Phys. Rev. X 7, 041028 (2017).


Superconducting and normal-state properties of the noncentrosymmetric superconductor Re6Zr, D. A. Mayoh, J. A. T. Barker, R. P. Singh, G. Balakrishnan, D. M. Paul, M. R. Lees, Phys. Rev. B 96, 064521 (2017).


Atomic structure study of the pyrochlore Yb2Ti2O7 and its relationship with low-temperature magnetic order, A. Mostaed, G. Balakrishnan, M. R. Lees, Y. Yasui, L. J. Chang, R. Beanland, Phys. Rev. B 95, 094431 (2017).


Critical behavior study of the spin ordering transition in RVO3 (R = Ce, Pr, Nd, Sm, Gd, Er) by means of ac photopyroelectric calorimetry, A. Oleaga, V. Shvalya, V. Liubachko, G. Balakrishnan, L. D. Tung, A. Salazar, Journal of Alloys and Compounds 703, 210 (2017).


Magnetic excitations in the ground state of Yb2Ti2O7, V. Pecanha-Antonio, E. X. Feng, Y. X. Su, V. Pomjakushin, F. Demmel, L. J. Chang, R. J. Aldus, Y. G. Xiao, M. R. Lees, T. Bruckel, Phys. Rev. B 96, 214415 (2017).


Evolution of spin correlations in SrDy2O4 in an applied magnetic field, O. A. Petrenko, O. Young, D. Brunt, G. Balakrishnan, P. Manuel, D. D. Khalyavin, C. Ritter, Phys. Rev. B 95, 104442 (2017).


Electric field controlled magnetization and charge-ordering in Pr0.6Ca0.4MnO3, H. Sharma, M. R. Lees, G. Balakrishnan, D. M. Paul, A. Tulapurkar, C. V. Tomy, Materials Chemistry and Physics 194, 142 (2017).


Coulomb spin liquid in anion-disordered pyrochlore Tb2Hf2O7, R. Sibille, E. Lhotel, M. C. Hatnean, G. J. Nilsen, G. Ehlers, A. Cervellino, E. Ressouche, M. Frontzek, O. Zaharko, V. Pomjakushin, U. Stuhr, H. C. Walker, D. T. Adroja, H. Luetkens, C. Baines, A. Amato, G. Balakrishnan, T. Fennell, M. Kenzelmann, Nat. Commun. 8, 892 (2017).


Growth of YbFe2O4 single crystals exhibiting long-range charge order via the optical floating zone method, H. L. Williamson, T. Mueller, M. Angst, G. Balakrishnan, J. Cryst. Growth 475, 44 (2017).


2016

Spin-valley locking in the normal state of a transition-metal dichalcogenide superconductor, L. Bawden, S. P. Cooil, F. Mazzola, J. M. Riley, L. J. Collins-McIntyre, V. Sunko, K. W. B. Hunvik, M. Leandersson, C. M. Polley, T. Balasubramanian, T. K. Kim, M. Hoesch, J. W. Wells, G. Balakrishnan, M. S. Bahramy, P. D. C. King, Nat. Commun. 7, 11711 (2016).


Magnetic properties and crystal field in Pr2Zr2O7, P. Bonville, S. Guitteny, A. Gukasov, I. Mirebeau, S. Petit, C. Decorse, M. C. Hatnean, G. Balakrishnan, Phys. Rev. B 94, 134428 (2016).


Zirconate Pyrochlore Frustrated Magnets: Crystal Growth by the Floating Zone Technique, M. C. Hatnean, C. Decorse, M. R. Lees, O. A. Petrenko, G. Balakrishnan, Crystals 6, 79 (2016).


Critical behavior study of Pr1-xSrxMnO3 and Nd1-xSrxMnO3 with x = 1/2, A. Oleaga, A. Salazar, M. C. Hatnean, G. Balakrishnan, Journal of Alloys and Compounds 682, 825 (2016).


Experimental signature of the attractive Coulomb force between positive and negative magnetic monopoles in spin ice, C. Paulsen, S. R. Giblin, E. Lhotel, D. Prabhakaran, G. Balakrishnan, K. Matsuhira, S. T. Bramwell, Nat. Phys. 12, 661 (2016).


Observation of magnetic fragmentation in spin ice, S. Petit, E. Lhotel, B. Canals, M. C. Hatnean, J. Ollivier, H. Mutka, E. Ressouche, A. R. Wildes, M. R. Lees, G. Balakrishnan, Nat. Phys. 12, 746 (2016).


Antiferroquadrupolar correlations in the quantum spin ice candidate Pr2Zr2O7, S. Petit, E. Lhotel, S. Guitteny, O. Florea, J. Robert, P. Bonville, I. Mirebeau, J. Ollivier, H. Mutka, E. Ressouche, C. Decorse, M. C. Hatnean, G. Balakrishnan, Phys. Rev. B 94, 165153 (2016).


Observation of surface states on heavily indium-doped SnTe(111), a superconducting topological crystalline insulator, C. M. Polley, V. Jovic, T. Y. Su, M. Saghir, D. Newby, B. J. Kowalski, R. Jakiela, A. Barcz, M. Guziewicz, T. Balasubramanian, G. Balakrishnan, J. Laverock, K. E. Smith, Phys. Rev. B 93, 075132 (2016).


Candidate quantum spin ice in the pyrochlore Pr2Hf2O7, R. Sibille, E. Lhotel, M. C. Hatnean, G. Balakrishnan, B. Fak, N. Gauthier, T. Fennell, M. Kenzelmann, Phys. Rev. B 94, 024436 (2016).


Magnetic properties of a LuVO3 single crystal studied by magnetometry, heat capacity and neutron diffraction, L. D. Tung, J. Schefer, M. R. Lees, G. Balakrishnan, D. M. Paul, Journal of Science-Advanced Materials and Devices 1, 174 (2016).


2015

Unconventional Superconductivity in La7Ir3 Revealed by Muon Spin Relaxation: Introducing a New Family of Noncentrosymmetric Superconductor That Breaks Time-Reversal Symmetry, J. A. T. Barker, D. Singh, A. Thamizhavel, A. D. Hillier, M. R. Lees, G. Balakrishnan, D. M. Paul, R. P. Singh, Phys. Rev. Lett. 115, 267001 (2015).


Anomalies of a topologically ordered surface, D. Biswas, S. Thakur, K. Ali, G. Balakrishnan, K. Maiti, Sci. Rep. 5, 10260 (2015).


Exceptional surface and bulk electronic structures in a topological insulator, Bi2Se3, D. Biswas, S. Thakur, G. Balakrishnan, K. Maiti, Sci. Rep. 5, 17351 (2015).


Robust local and nonlocal transport in the topological Kondo insulator SmB6 in the presence of a high magnetic field, S. Biswas, R. Nagarajan, S. Sarkar, K. R. Amin, M. C. Hatnean, S. Tewari, G. Balakrishnan, A. Bid, Phys. Rev. B 92, 085103 (2015).


Quality Heterostructures from Two-Dimensional Crystals Unstable in Air by Their Assembly in Inert Atmosphere, Y. Cao, A. Mishchenko, G. L. Yu, E. Khestanova, A. P. Rooney, E. Prestat, A. V. Kretinin, P. Blake, M. B. Shalom, C. Woods, J. Chapman, G. Balakrishnan, I. V. Grigorieva, K. S. Novoselov, B. A. Piot, M. Potemski, K. Watanabe, T. Taniguchi, S. J. Haigh, A. K. Geim, R. V. Gorbachev, Nano Letters 15, 4914 (2015).


Effects of rare-earth size on the electronic structure of La1-xLuxVO3, B. Chen, J. Laverock, D. Newby, J. F. McNulty, K. E. Smith, P. A. Glans, J. H. Guo, R. M. Qiao, W. L. Yang, M. R. Lees, L. D. Tung, R. P. Singh, G. Balakrishnan, J. Phys.-Condens. Mat. 27, 105503 (2015).


Evidence of double-gap superconductivity in noncentrosymmetric Nb0.18Re0.82 single crystals, C. Cirillo, R. Fittipaldi, M. Smidman, G. Carapella, C. Attanasio, A. Vecchione, R. P. Singh, M. R. Lees, G. Balakrishnan, M. Cuoco, Phys. Rev. B 91, 134508 (2015).


Dispersionless Spin Waves and Underlying Field-Induced Magnetic Order in Gadolinium Gallium Garnet, N. d'Ambrumenil, O. A. Petrenko, H. Mutka, P. P. Deen, Phys. Rev. Lett. 114, 227203 (2015).


Magnetic excitation spectrum of LuFe2O4 measured with inelastic neutron scattering, S. M. Gaw, H. J. Lewtas, D. F. McMorrow, J. Kulda, R. A. Ewings, T. G. Perring, R. A. McKinnon, G. Balakrishnan, D. Prabhakaran, A. T. Boothroyd, Phys. Rev. B 91, 035103 (2015).



Growth of single-crystals of rare-earth zirconate pyrochlores, Ln2Zr2O7 (with Ln = La, Nd, Sm, and Gd) by the floating zone technique, M. C. Hatnean, M. R. Lees, G. Balakrishnan, J. Cryst. Growth 418, 1 (2015).


Structural and magnetic investigations of single-crystalline neodymium zirconate pyrochlore Nd2Zr2O7, M. C. Hatnean, M. R. Lees, O. A. Petrenko, D. S. Keeble, G. Balakrishnan, M. J. Gutmann, V. V. Klekovkina, B. Z. Malkin, Phys. Rev. B 91, 174416 (2015).


Paramagnetic magnetization signals and curious metastable behaviour in field-cooled magnetization of a single crystal of superconductor 2H-NbSe2, S. Kumar, C. V. Tomy, G. Balakrishnan, D. M. Paul, A. K. Grover, J. Phys.-Condens. Mat. 27, 295701 (2015).


Enhanced electron correlations at the SrxCa1-xVO3 surface, J. Laverock, J. Kuyyalil, B. Chen, R. P. Singh, B. Karlin, J. C. Woicik, G. Balakrishnan, K. E. Smith, Phys. Rev. B 91, 165123 (2015).


Fluctuations and All-In-All-Out Ordering in Dipole-Octupole Nd2Zr2O7, E. Lhotel, S. Petit, S. Guitteny, O. Florea, M. C. Hatnean, C. Colin, E. Ressouche, M. R. Lees, G. Balakrishnan, Phys. Rev. Lett. 115, 197202 (2015).


Magnetic and spectral properties of the multisublattice oxides SrY2O4:Er3+ and SrEr2O4, B. Z. Malkin, S. I. Nikitin, I. E. Mumdzhi, D. G. Zverev, R. V. Yusupov, I. F. Gilmutdinov, R. Batulin, B. F. Gabbasov, A. G. Kiiamov, D. T. Adroja, O. Young, O. A. Petrenko, Phys. Rev. B 92, 094415 (2015).


Three-dimensional Ising critical behavior in R0.6Sr0.4MnO3 (R = Pr, Nd) manganites, A. Oleaga, A. Salazar, M. C. Hantean, G. Balakrishnan, Phys. Rev. B 92, 024409 (2015).


Hidden order in spin-liquid Gd3Ga5O12, J. A. M. Paddison, H. Jacobsen, O. A. Petrenko, M. T. Fernandez-Diaz, P. P. Deen, A. L. Goodwin, Science 350, 179 (2015).


Study of phase coexistence in YVO3 and LaVO3, B. Roberge, S. Jandl, A. A. Nugroho, T. T. M. Palstra, L. D. Tung, G. Balakrishnan, Journal of Raman Spectroscopy 46, 1157 (2015).


Raman spectroscopic studies of CuFeO2 at high pressures, N. P. Salke, K. Kamali, T. R. Ravindran, G. Balakrishnan, R. Rao, Vibrational Spectroscopy 81, 112 (2015).


Evidence for a hybridization gap in noncentrosymmetric CeRuSi3, M. Smidman, D. T. Adroja, E. A. Goremychkin, M. R. Lees, D. M. Paul, G. Balakrishnan, Phys. Rev. B 91, 064419 (2015).


Unconventional Fermi surface in an insulating state, B. S. Tan, Y. T. Hsu, B. Zeng, M. C. Hatnean, N. Harrison, Z. Zhu, M. Hartstein, M. Kiourlappou, A. Srivastava, M. D. Johannes, T. P. Murphy, J. H. Park, L. Balicas, G. G. Lonzarich, G. Balakrishnan, S. E. Sebastian, Science 349, 287 (2015).


List of collaborators who have made use of single crystals prepared as part of the EPSRC funded grant EP/M028771/1: Single Crystal Growth at Warwick - 2015 to 2018.
UK Collaborators:

1. Prof. P.D.C. King, Prof. P. Wahl, University of St Andrews.

2. Dr S. E. Sebastian, Dr M. Sutherland and Dr J. Cooper, Cavendish Lab, University of Cambridge.

3. Prof. S. Bramwell, University College London.

4. Dr S. R. Giblin, Cardiff University.

5. Dr D. T. Adroja, P. Manual, Dr D. Voneshen, Neutron Scattering group, ISIS STFC.

6. Dr P. K. Biswas, Dr A.D. Hillier, Muon group, ISIS STFC.

7. Prof. I. Grigorieva, Prof. Sir A. Geim and Prof. Sir K. Novoselov, Graphene Group, University of Manchester.

8. Dr R. Beanland and Prof. A. Sanchez, Microscopy Group, University of Warwick.

9. Dr J. A. Duffy, University of Warwick.

10. Dr G. Bell, University of Warwick.

11. Dr J. Laverock, University of Bristol.

12. Prof. D. Hampshire, University of Durham.

International Collaborators:

13. Dr Zherlitsyn, High Magnetic Field Lab., Dresden, Germany.

14. Prof. Lieh Jeng Chang, National Cheng Kung University, Taiwan.

15. Dr Pascale Deen, University of Lund, Sweden.

16. Dr A Vecchione and Dr R Fittipaldi, Dr M. Cuoco, Crystal Growth Lab, CNR SPIN, Salerno, Italy.

17. Dr C. Cirrilo, Dr C. Atanasio, Thin Films Group, CNR SPIN, Salerno, Italy.

18. Dr Vincent Hardy, CRISMAT, Caen, France.

19. Dr R. P. Singh, IISER Bhopal India.

20. Dr Z Salman, Dr J.A.T Barker, Muon Group, PSI, Switzerland.

21. Dr M. Kenzelmann and Dr R Sibille, Dr T Fennel, Dr O. Zaharko, Neutron Group, PSI Switzertland.

22. Dr E.L’Hotel, Inst. Neel, Grenoble, France.

23. Dr S Petit and Dr I Mirebeau, LLB, Saclay, France.

24. Dr C. Decorse, ICMMO, Univ Paris-Sud, Paris, France.

25. Dr E Kermerrec, NMR group, Univ Paris Sud, France.

26. Dr T. Benseman, CUNY, New York, USA.

27. Dr K. Maiti, TIFR ,Bombay, India.

28. Prof. C.V. Tomy, Indian Institute of Technology, Bombay, India.

29. Prof. A.I. Smirnov, Kapitza Institute for Physical problems, Moscow.

30. Prof. A. Bid, Indian Institute of Science, Bangalore, India.

31. Prof. K. E. Smith, Boston University, USA.

32. Dr Z.X. Cheng, Wollongong Univ, New Zealand.

33. Prof A. Oleaga, UPV EHU, Bilbao, Spain.

34. Prof. S. Jandl, Univ of Sherbrooke, Canada.

35. Dr Rekha Rao, BARC, India.

36. Dr M.Angst, Forschungszentrum Julich, Germany.

37. Dr M. Smidman, Zhejiang University, China.

38. Dr E. Pomjakushina, Solid State Chemistry Group, PSI, Switzerland.

39. Dr N. Shitselova, National Academy of Science, Ukraine.

40. Dr E. Abreu, ETH, Switzerland.

41. Dr C. Kurdak, University of Michigan, USA.

42. Dr E. Diez, University of Salamanca, Spain.

43. Dr K. Kobayashi, University of Okayama, Japan.

44. Dr A. Cameron and Dr D. Inosov, TU, Dresden, Germany.

45. Prof. Je-Geun Park, Seoul National University, Korea.

46. Prof. R. Averitt, University of California at San Diego, USA.

47. Dr Philippe Veber, CNRS, Bordeaux, France.

48. Prof. J. Kreisel, LIST, Luxembourg.

49. Dr M. Wanderoth, University of Gottingen, Germany.

50. Dr Yixi Su, JCNS Julich, Germany.

51. Prof. B.J. Kim, Poohang University, Korea.

52. Dr E.M. Bittar, CBPF, Brazil.


EP/I007210/1 Single Crystal Growth at Warwick, January 2011 - December 2014


Exchange interactions in Ca3Co2O6 probed locally by NMR, G. Allodi, P. Santini, S. Carretta, S. Agrestini, C. Mazzoli, A. Bombardi, M. R. Lees, and R. De Renzi, Physical Review B 89, 104401 (2014).

Full Text PDF: Download (475 kB)


Low-temperature magnetic fluctuations in the Kondo insulator SmB6, P. K. Biswas, Z. Salman, T. Neupert, E. Morenzoni, E. Pomjakushina, F. von Rohr, K. Conder, G. Balakrishnan, M. Ciomaga Hatnean, M. R. Lees, D. McK. Paul, A. Schilling, C. Baines, H. Luetkens, R. Khasanov, and A. Amato, Physical Review B 89, 161107(R) (2014).

Full Text PDF: Download (785 kB)


Structural and magnetic properties of single-crystals of the geometrically frustrated zirconium pyrochlore, Pr2CuGe2O7, M. C. Hatnean, C. Decorse, M. R. Lees, O. A. Petrenko, D. S. Keeble, and G. Balakrishnan, Materials Research Express 1, 026109 (2014).

Full Text PDF: Download (1577 kB)


Ultrasonic investigations of the spin ices Dy2Ti2O7 and Ho2Ti2O7 in and out of equilibrium, S. Erfanifam, S. Zherlitsyn, S. Yasin, Y. Skourski, J. Wosnitza, A. A. Zvyagin, P. McClarty, R. Moessner, G. Balakrishnan, and O. A. Petrenko, Physical Review B 90, 064409 (2014).

Full Text PDF: Download (1225 kB)


Crystal growth and characterization of the non-centrosymmetric antiferromagnet Ba2CuGe2O7, R. Fittipaldi, L. Rocco, M. C. Hatnean, V. Granata, M. R. Lees, G. Balakrishnan, and A. Vecchione, Journal of Crystal Growth 404, 223 (2014).

Full Text PDF: Download (511 kB)


Giant frictional dissipation peaks and charge-density-wave slips at the NbSe2 surface, M. Langer, M. Kisiel, R. Pawlak, F. Pellegrini, G. E. Santoro, R. Buzio, A. Gerbi, G. Balakrishnan, A. Baratoff, E. Tosatti, and E. Meyer, Nature Materials 13, 173 (2014).

Full Text PDF: Download (850 kB)


Low-energy V t(2g) orbital excitations in NdVO3, J. Laverock, B. Chen, A. R. H. Preston, D. Newby, L. F. J. Piper, L. D. Tung, G. Balakrishnan, P. A. Glans, J. H. Guo, and K. E. Smith, Journal of Physics: Condensed Matter 26, 455603 (2014).

Full Text PDF: Download (1264 kB)


Infrared phonon spectrum of the tetragonal helimagnet Ba2CuGe2O7, A. Nucara, W. S. Mohamed, L. Baldassarre, S. Koval, J. Lorenzana, R. Fittipaldi, G. Balakrishnan, A. Vecchione, and P. Calvani, Physical Review B 90, 014304 (2014).

Full Text PDF: Download (1390 kB)


Magnetic susceptibility and heat capacity measurements of single crystal TbMnO3, D. O’Flynn, M. R. Lees, and G. Balakrishnan, Journal of Physics: Condensed Matter 26, 256002 (2014).

Full Text PDF: Download (988 kB)


Spin correlations in Ca3Co2O6 : Polarized-neutron diffraction and Monte Carlo study, J. A. M. Paddison, S. Agrestini, M. R. Lees, C. L. Fleck, P. P. Deen, A. L. Goodwin, J. R. Stewart, and O. A. Petrenko, Physical Review B 90, 014411 (2014).

Full Text PDF: Download (1022 kB)


Low-temperature magnetism in the honeycomb systems SrLn2O4, O. A. Petrenko, Low Temperature Physics 40, 106 (2014).

Full Text PDF: Download (2,506 kB)


Synthesis and characterization of nanomaterials of the Topological Crystalline Insulator SnTe, M. Saghir, M. R. Lees, S. J. York, and G. Balakrishnan, Crystal Growth & Design 14, 2009 (2014).

Full Text PDF: Download (4591 kB)


Superconducting properties of Sn1-xInxTe (x = 0.38-0.45) studied using muon-spin spectroscopy, M. Saghir, J. A. T. Barker, G. Balakrishnan, A. D. Hillier, and M. R. Lees, Physical Review B 90, 064508 (2014).

Full Text PDF: Download (723 kB)


Detection of time-reversal symmetry breaking in the noncentrosymmetric superconductor Re6Zr using muon-spin spectroscopy, R. P. Singh, A. D. Hillier, B. Mazidian, J. Quintanilla, J. F. Annett, D. McK. Paul, G. Balakrishnan, and M. R. Lees, Physical Review Letters 112, 107002 (2014).

Full Text PDF: Download (605 kB)


Crystal growth and properties of the non-centrosymmetric superconductor, Ru7B3, R. P. Singh, N. A. Parzyk, M. R. Lees, D. M. Paul, and G. Balakrishnan, Journal of Crystal Growth 395, 22 (2014).

Full Text PDF: Download (794 kB)


Probing the superconducting ground state of the noncentrosymmetric superconductors CaTSi3 (T = Ir, Pt) using muon-spin relaxation and rotation, R. P. Singh, A. D. Hillier, D. Chowdhury, J. A. T. Barker, D. M. Paul, M. R. Lees, and G. Balakrishnan, Physical Review B 90, 104504 (2014).

Full Text PDF: Download (599 kB)


Investigations of the superconducting states of noncentrosymmetric LaPdSi3 and LaPtSi3, M. Smidman, A. D. Hillier, D. T. Adroja, M. R. Lees, V. K. Anand, R. P. Singh, R. I. Smith, D. M. Paul, and G. Balakrishnan, Physical Review B 89, 094509 (2014).

Full Text PDF: Download (2136 kB)


Electrical transport properties of CaB6, J. Stankiewicz, J. Sese, G. Balakrishnan, and Z. Fisk, Physical Review B 90, 155128 (2014).

Full Text PDF: Download (511 kB)


Magnetic properties of geometrically frustrated SrGd2O4, O. Young, G. Balakrishnan, M. R. Lees, and O. A. Petrenko, Physical Review B 90, 094421 (2014).

Full Text PDF: Download (862 kB)


Impact of the various spin- and orbital-ordering processes on the multiferroic properties of orthovanadate DyVO3, Q. Zhang, K. Singh, C. Simon, L. D. Tung, G. Balakrishnan, and V. Hardy, Physical Review B 90, 024418 (2014).

Full Text PDF: Download (1196 kB)


2013


Superconducting properties of the In-substituted topological crystalline insulator SnTe, G. Balakrishnan, L. Bawden, S. Cavendish, and M. R. Lees, Physical Review B 87, 140507(R) (2013).

Full Text PDF: Download (318 kB)


The ac Josephson relation and inhomogeneous temperature distributions in large Bi2Sr2CaCu2O8+delta mesas for THz emission, T. M. Benseman, A. E. Koshelev, W. K. Kwok, U. Welp, K. Kadowaki, J. R. Cooper, G. Balakrishnan, Superconductor Science & Technology 26, 085016 (2013).

Full Text PDF: Download (1400 kB)


Evolution of the electronic structure of HoB4 with temperature, D. Biswas, N. Sahadev, G. Adhikary, G. Balakrishnan, and K. Maiti, Physical Review B 88, 134405 (2013).

Full Text PDF: Download (774 kB)


Low-temperature muon spin rotation studies of the monopole charges and currents in Y doped Ho2Ti2O7, L. J. Chang, M. R. Lees, G. Balakrishnan, Y.-J. Kao, and A. D. Hillier, Scientific Reports 3, 1881 (2013).

Full Text PDF: Download (388 kB)


Magnetic field-induced ordering in SrDy2O4, T. H. Cheffings, M. R. Lees, G. Balakrishnan and O. A. Petrenko, Journal of Physics-Condensed Matter 25, 256001 (2013).

Full Text PDF: Download (646 kB)


Superconductivity in two-dimensional NbSe2 field effect transistors, M. S. El-Bana, D. Wolverson, S. Russo, G. Balakrishnan, D. M. Paul, S. J. Bending, Superconductor Science & Technology 26, 125020 (2013).

Full Text PDF: Download (904kB)


Phase coexistence and magnetically tuneable polarization in cycloidal multiferroics, I. Fina, V. Skumryev, D. O’Flynn, G. Balakrishnan, and J. Fontcuberta, Physical Review B 88, 100403(2013).

Full Text PDF: Download (494 kB)


Large, high quality single-crystals of the new topological Kondo insulator, SmB6, M. C. Hatnean, M. R. Lees, D. M. K. Paul, G. Balakrishnan, Scientific Reports 3, 3071 (2013).

Full Text PDF: Download (641 kB)


k-resolved susceptibility function of 2H-TaSe2 from angle-resolved photoemission, J. Laverock, D. Newby, Jr., E. Abreu, R. Averitt, K. E. Smith, R. P. Singh, G. Balakrishnan, J. Adell, and T. Balasubramanian, Physical Review B 88, 035108 (2013).

Full Text PDF: Download (2319 kB)


Resonant soft-X-Ray emission as a bulk probe of correlated electron behavior in metallic SrxCa1-xVO3, J. Laverock, B. Chen, K. E. Smith, R. P. Singh, G. Balakrishnan, M. Gu, J.W. Lu, S. A. Wolf, R. M. Qiao, W. Yang, and J. Adell, Physical Review Letters 111, 047402 (2013).

Full Text PDF: Download (498 kB)


Electronic structure of the kagome staircase compounds Ni3V2O8 and Co3V2O8, J. Laverock, B. Chen, A. R. H. Preston, K. E. Smith, N. R. Wilson, G. Balakrishnan, P. A. Glans, and J. H. Guo, Physical Review B 87, 125133 (2013).

Full Text PDF: Download (1573 kB)


Low-temperature magnetisation process in the cubic pyrochlore quantum antiferromagnet, Er2Ti2O7, O. A. Petrenko, M. R. Lees, G. Balakrishnan, European Physical Journal B 86, 416 (2013).

Full Text PDF: Download (345 kB)


Juxtaposition of spin freezing and long range order in a series of geometrically frustrated antiferromagnetic gadolinium garnets, J. A. Quilliam, S. Meng, H. A. Craig, L. R. Corruccini, G. Balakrishnan, O. A. Petrenko, A. Gomez, S. W. Kycia, M. J. P. Gingras, and J. B. Kycia, Physical Review B 87, 174421 (2013).

Full Text PDF: Download (885 kB)


Strain coupling in multiferroic phase transitions of samarium yttrium manganite Sm0.6Y0.4MnO3, J. Schiemer, D. O’Flynn, G. Balakrishnan, and M. A. Carpenter, Physical Review B 88, 054108 (2013).

Full Text PDF: Download (445 kB)


Neutron scattering and muon spin relaxation measurements of the noncentrosymmetric antiferromagnet CeCoGe3, M. Smidman, D. T. Adroja, A. D. Hillier, L. C. Chapon, J. W. Taylor, V. K. Anand, R. P. Singh, M. R. Lees, E. A. Goremychkin, M. M. Koza, V. V. Krishnamurthy, D. M. Paul, G. Balakrishnan, Physical Review B 88, 134416 (2013).

Full Text PDF: Download (4035 kB)


Complex spectral evolution in a BCS superconductor, ZrB12, S. Thakur, D. Biswas, N. Sahadev, P. K. Biswas, G. Balakrishnan, K. Maiti, Scientific Reports 3, 3342 (2013).

Full Text PDF: Download (1767 kB)


Surface bulk differences in a conventional superconductor, ZrB12, S. Thakur, D. Biswas, N. Sahadev, P. K. Biswas, G. Balakrishnan, and K. Maiti, Journal of Applied Physics, 114, 053904 (2013).

Full Text PDF: Download (895 kB)


Highly frustrated magnetism in SrHo2O4: Coexistence of two types of short-range order, O. Young, A. R. Wildes, P. Manuel, B. Ouladdiaf, D. D. Khalyavin, G. Balakrishnan, O. A. Petrenko, Physical Review B 88, 024411 (2013).

Full Text PDF: Download (2332 kB)


2012


Low temperature magnetic structure of geometrically frustrated SrHo2O4, O. Young, L. C. Chapon, and O. A. Petrenko, Journal of Physics Conference Series 391, 012081 (2012).

Full Text PDF: Download (1.281 MB)


Pinning Mechanism in Iron Chalcogenide Superconductor FeSe0.5Te0.5, A. D. Thakur, A. K. Yadav, P. Das, C. V. Tomy, M. R. Lees, G. Balakrishnan, S. Ramakrishnan, and A. K. Grover, in Solid State Physics, Pts 1 and 2, edited by R. Mittal, A. K. Chauhan and R. Mukhopadhyay, 1447, 897 (2012).

Full Text PDF: Download not available


Is CeCoSi3 a superconductor?, M. Smidman, R. P. Singh, M. R. Lees, D. M. Paul, D. T. Adroja, and G. Balakrishnan, Journal of Physics Conference Series 391, 012068, (2012).

Full Text PDF: Download (459 kB)


Magnetisation Studies of Geometrically Frustrated Antiferromagnets SrLn2O4, with Ln = Er, Dy, and Ho, T. J. Hayes, O. Young, G. Balakrishnan, and O. A. Petrenko, Journal of the Physical Society of Japan 81, 024708 (2012).

Full Text PDF: Download (942 kB)


First-order reorientation transition of the flux-line lattice in CaAlSi, P. K. Biswas, M. R. Lees, G. Balakrishnan, D. Q. Liao, D. S. Keeble, J. L. Gavilano, N. Egetenmeyer, C. D. Dewhurst, and D. M. Paul, Physical Review Letters 108, 077001 (2012).

Full Text PDF: Download (838 kB)


Magnetic phases in a Gd2Ti2O7 pyrochlore for a field applied along the [100] axis, O. A. Petrenko, M. R. Lees, G. Balakrishnan, V. N. Glazkov, and S. S. Sosin, Physical Review B 85, 180412(R) (2012).

Full Text PDF: Download (529 kB)


Comparative study of the centrosymmetric and noncentrosymmetric superconducting phases of Re3W using muon spin spectroscopy and heat capacity measurements, P. K. Biswas, A. D. Hillier, M. R. Lees, and D. M. Paul, Physical Review B 85, 134505 (2012).

Full Text PDF: Download (808 kB)


Controlling bulk conductivity in topological insulators: Key role of anti-site defects, D. O. Scanlon, P. D. C. King, R. P. Singh, A. de la Torre, S. McKeown Walker, G. Balakrishnan, Advanced Materials 24, 2154 (2012).

Full Text PDF: Download (916 kB)


Raman scattering study of delafossite magnetoelectric multiferroic compounds: CuFeO2 and CuCrO2, O. Aktas, K. D. Truong, T. Otani, G. Balakrishnan, M. J. Clouter, T. Kimura, and G. Quirion, Journal of Physics: Condensed. Matter 24, 036003 (2012).

Full Text PDF: Download (485 kB)


Crystal growth of the non-centrosymmetricsuperconductor Nb0.18Re0.82, R. P. Singh, M. Smidman, M. R. Lees, D. McK. Paul, G. Balakrishnan, Journal of Crystal Growth 361, 129 (2012).

Full Text PDF: Download (226 kB)


Emergent quantum confinement at topological insulator surfaces, M. S. Bahramy, P. D. C. King, A. de la Torre, J. Chang, M. Shi, L. Patthey, G. Balakrishnan, Ph. Hofmann, R. Arita, N. Nagaosa, and F. Baumberger, Nature Communications 3, 1159 (2012).

Full Text PDF: Download (1400 kB)


2011


Unusual line shape of B 1s core level spectra in rare earth hexaborides, Swapnil Patil, Ganesh Adhikary, Geetha Balakrishnan, and Kalobaran Maiti, Solid State Communications 151, 326 (2011).

Full Text PDF: Download (497 kB)


On the growth and properties of high quality single crystals of the yttrium doped strontium cobaltates, Y1−xSrxCoO3-d (0.7<x<0.95), C. L. Fleck, G. Balakrishnan, and M.R. Lees, Journal of Materials Chemistry 21, 1212 (2011).

Full Text PDF: Download (275 kB)


Magnetic order in geometrically frustrated Gd2(Ti1−xZrx)2O7 (x = 0.02 and 0.15) single crystals, Da-qian Liao, M. R. Lees, D. W. Baker, D. McK. Paul, and G. Balakrishnan, Physical Review B 83, 064403 (2011).

Full Text PDF: Download (1.6 MB)


NMR study of magnetic order, metamagnetic transitions, and low-temperature spin freezing in Ca3Co2O6, G. Allodi, R. De Renzi, S. Agrestini, C. Mazzoli, and M. R. Lees, Physical Review B 83, 104408 (2011).

Full Text PDF: Download (700 kB)


Two-gap superconductivity in Lu2Fe3Si5: A transverse-field muon spin rotation study, P. K. Biswas, G. Balakrishnan, D. M. Paul, C. V. Tomy, M. R. Lees, and A.D. Hillier, Physical Review B 83, 054517 (2011).

Full Text PDF: Download (433 kB)


Slow magnetic order-order transition in the spin chain antiferromagnet Ca3Co2O6, S. Agrestini, C. L. Fleck, L. C. Chapon, C. Mazzoli, A. Bombardi, M. R. Lees, and O. A. Petrenko, Physical Review Letters 106, 197204, (2011).

Full Text PDF: Download (3.4 MB)


Titanium pyrochlore magnets: how much can be learned from magnetization measurements?, O. A. Petrenko, M. R. Lees and G. Balakrishnan, Journal of Physics: Condensed. Matter 23, 164218 (2011).

Full Text PDF: Download (936 kB)


Multiferroic properties and magnetic structure of Sm1−xYxMnO3, D. O’Flynn, C. V. Tomy, M. R. Lees, A. Daoud-Aladine, and G. Balakrishnan, Physical Review B 83, 174426 (2011).

Full Text PDF: Download (1.0 MB)


Coexistence of the long-range and short-range magnetic order components in SrEr2O4, T. J. Hayes, G. Balakrishnan, P. P. Deen, P. Manuel, L. C. Chapon, and O. A. Petrenko, Physical Review B 84, 174435 (2011).

Full Text PDF: Download (704 kB)


Structure and superconductivity in two different phases of Re3W, P. K. Biswas, M. R. Lees, A. D. Hillier, R. I. Smith, W. G. Marshall, and D. McK. Paul, Physical Review B 84, 184529 (2011).

Full Text PDF: Download (1.2 MB)


Large tunable Rashba spin splitting of a two-dimensional electron gas in Bi2Se3, P. D. C. King, R. C. Hatch, M. Bianchi, R. Ovsyannikov, C. Lupulescu, G. Landolt, B. Slomski, J. H. Dil, D. Guan, J. L. Mi, E. D. L. Rienks, J. Fink, A. Lindblad, S. Svensson, S. Bao, G. Balakrishnan, B. B. Iversen, J. Osterwalder, W. Eberhardt, F. Baumberger, and Ph. Hofmann, Physical Review Letters 107, 096802, (2011).

Full Text PDF: Download (928 kB)


Intrinsic and extrinsic nonstationary field-driven processes in the spin-ice compound Dy2Ti2O7, S. Erfanifam, S. Zherlitsyn, J. Wosnitza, R. Moessner, O. A. Petrenko, G. Balakrishnan, and A. A. Zvyagin Physical Review B 84, 220404 (2011).

Full Text PDF: Download (1.2 MB)


Magnetization hysteresis and time decay measurements in FeSe0.5Te0.50 : Evidence for fluctuation in mean free path induced pinning, P. Das, Ajay D. Thakur, Anil K. Yadav, C. V. Tomy, M. R. Lees, G. Balakrishnan, S. Ramakrishnan, and A. K. Grover, Physical Review B 84, 214526 (2011).

Full Text PDF: Download (3.4 MB)


Valency and spin states of substituent cations in Bi2.15Sr1.85CaCu2O8+δ, T. M. Benseman, J. R. Cooper, C. L. Zentile, L. Lemberger, and G. Balakrishnan, Physical Review B 84, 144503 (2011).

Full Text PDF: Download (976 kB)


Unusual spectral renormalization in hexaborides, Swapnil Patil, Ganesh Adhikary, G Balakrishnan and Kalobaran Maiti , Journal of Physics: Condensed. Matter 23, 495601 (2011).

Full Text PDF: Download (781 kB)


Crossover from paramagnetic compressed flux regime to diamagnetic pinned vortex lattice in a single crystal of cubic Ca3Rh4Sn13, P. D. Kulkarni, S. Banerjee, C. V. Tomy, G. Balakrishnan, D. McK. Paul, S. Ramakrishnan, and A. K. Grover, Physical Review B 84, 014501 (2011).

Full Text PDF: Download (737 kB)


The temperature evolution of the magnetic correlations in pure and diluted spin ice Ho2-xYxTi2O7, L. J. Chang, Y. Su, Y. -J. Kao, Y. Z. Chou, K. Kakurai, R. Mittal, H. Schneider, Th. Bruckel, G. Balakrishnan, and M. R. Lees, Physica B 406, 2393 (2011).

Full Text PDF: Download (422 kB)


EP/E011802/1 Single Crystal Growth at Warwick, May 2007 - May 2010


2010


Muon-spin-spectroscopy study of the penetration depth of FeTe0.5Se0.5, P. K. Biswas, G. Balakrishnan, D. M. Paul, C. V. Tomy, M. R. Lees, and A. D. Hillier, Physical Review B 81, 092510 (2010).

Full Text PDF: Download (259 kB)


Magnetic correlations in the spin ice Ho2−xYxTi2O7 as revealed by neutron polarization analysis, L. J. Chang, Y. Su, Y.-J. Kao, Y. Z. Chou, R. Mittal, H. Schneider, Th. Brückel, G. Balakrishnan, and M. R. Lees, Physical Review B 82, 172403 (2010).

Full Text PDF: Download (317 kB)


Spin dynamics in the hyperkagome compound Gd3Ga5O12, P. P. Deen, O. A. Petrenko, G. Balakrishnan, B. D. Rainford, C. Ritter, L. Capogna, H. Mutka, and T. Fennell, Physical Review B 82, 174408 (2010).

Full Text PDF: Download (488 kB)


Field-driven magnetisation steps in Ca3Co2O6: A single-crystal neutron-diffraction study, C. L. Fleck, M. R. Lees, S. Agrestini, G. J. McIntyre, and O. A. Petrenko, EPL 90, 67006 (2010).

Full Text PDF: Download (1000 kB)


Thermometers for low temperature magic angle spinning NMR, T. F. Kemp, G. Balakrishnan, K. J. Pike, M. E. Smith, and R. Dupree, Journal of Magnetic Resonance 204, 169 (2010).

Full Text PDF: Download (305 kB)


Influence of 4f electronic states on the surface states of rare-earth hexaborides, Swapnil Patil, Ganesh Adhikary, Geetha Balakrishnan, and Kalobaran Maiti, Applied Physics Letters 96, 092106 (2010).

Full Text PDF: Download (195 kB)


Kagome staircase compound Co3V2O8 in an applied magnetic field: Single-crystal neutron diffraction study, O. A. Petrenko, N. R. Wilson, G. Balakrishnan, D. McK Paul, and G. J. McIntyre, Physical Review B 82, 104409 (2010).

Full Text PDF: Download (628 kB)


Triangular lattice antiferromagnet RbFe(MoO4)2 , A. I. Smirnov, L. E. Svistov, L. A. Prozorova, O. A. Petrenko, and M. Hagiwara, Physics Uspekhi 53, 844 (2010).

Full Text PDF: Download (243 kB)


Magnetic excitations in the XY-pyrochlore antiferromagnet Er2Ti2O7, S. S. Sosin and L. A. Prozorova M. R. Lees, G. Balakrishnan, and O. A. Petrenko, Physical Review B 82, 094428 (2010).

Full Text PDF: Download (249 kB)


Damage evolution in Au-implanted Ho2Ti2O7 titanate pyrochlore, Yanwen Zhang, Jacek Jagielski, In-Tae Bae, Xia Xiang, Lionel Thomé, Geetha Balakrishnan, Don M. Paul, William J. Weber, Nuclear Instruments and Methods in Physics Research B 268, 3009 (2010).

Full Text PDF: Download (665 kB)


2009


Small-angle neutron scattering study of the vortex lattice in superconducting LuNi2B2C, J. M. Densmore, P. Das, K. Rovira, T. D. Blasius, L. DeBeer-Schmitt, N. Jenkins, D. M. Paul, C. D. Dewhurst, S. L. Bud'ko, P. C. Canfield, and M. R. Eskildsen, Physical Review B 79, 174522 (2009).

Full Text PDF: Download (377 kB)


Resonant X-ray scattering study of Ca3Co2O6 ground state: Preliminary results of magnetic field effects, C. Mazzoli, A. Bombardi, S. Agrestini, and M. R. Lees, Physica B-Condensed Matter 404, 3042-3044 (2009).

Full Text PDF: Download (263 kB) 


Magnetic phase diagram of magnetoelectric CuFeO2 in high magnetic fields, G. Quirion, M. L. Plumer, O. A. Petrenko, G. Balakrishnan, and C. Proust, Physical Review B 80, 064420 (2009).

Full Text PDF: Download (363 kB)


Chiral and Collinear Ordering in a Distorted Triangular Antiferromagnet, A. I. Smirnov, L. E. Svistov, L. A. Prozorova, A. Zheludev, M. D. Lumsden, E. Ressouche, O. A. Petrenko, K. Nishikawa, S. Kimura, M. Hagiwara, K. Kindo, A. Y. Shapiro, and L. N. Demianets, Physical Review Letters 102, 037202 (2009).

Full Text PDF: Download (397 kB) 


High quality single crystals of the SrR2O4 family of frustrated magnets, G. Balakrishnan, T. J. Hayes, O. A. Petrenko, and D. M. Paul, Journal of Physics-Condensed Matter 21, 012202 (2009).

Full Text PDF: Download (377 kB)


Low frequency spin dynamics of the frustrated pyrochlore magnet Gd2Ti2O7, A. I. Smirnov, S. S. Sosin, V. N. Glazkov, O. A. Petrenko, G. Balakrishnan, and M.E. Zhitomirsky, Journal of Physics: Conference Series 150, 042188 (2009).

Full Text PDF: Download (1100 kB)


Field induced magnetic order in the frustrated magnet Gadolinium Gallium Garnet, O. A. Petrenko, G. Balakrishnan, D. McK. Paul, M. Yethiraj, G. J. McIntyre, and A. S. Wills, Journal of Physics: Conference Series 145,  012026 (2009).

Full Text PDF: Download (814 kB)


Magnetoelastic coupling in CuFeO2, G. Quirion, M. J. Tagore, M. L. Plumer, and O. A. Petrenko, Journal of Physics: Conference Series 145, 012070 (2009).

Full Text PDF: Download (562 kB)


2008


Probing nanoscale inhomogeneities in transition metal oxides with ultrafast mid-infrared spectroscopy, R. P. Prasankumar, H. J. Lee, H. Okamura, H. Imai, Y. Shimakawa, Y. Kubo, S. Zvyagin, K. V. Kamenev, G. Balakrishnan, D. M. Paul, S. A. Trugman, A. J. Taylor, R. D. Averitt, Physica B-Condensed Matter 403, 1401 (2008).

Full Text PDF: Download (121 kB)


Nature of the magnetic order in Ca3Co2O6, S. Agrestini, L. C. Chapon, A. Daoud-Aladine, J. Schefer, A. Gukasov, C. Mazzoli, M. R. Lees, O. A. Petrenko, Physical Review Letters  101, 097207 (2008).

Full Text PDF: Download (664 kB)


Spin, orbital ordering, and magnetic dynamics of LaVO3: Magnetization, heat capacity, and neutron scattering studies, L. D. Tung, A. Ivanov, J. Schefer, M. R. Lees, G. Balakrishnan, D. M. Paul, Physical Review B 78, 054416 (2008).

Full Text PDF: Download (441 kB)


Resonant x-ray scattering investigation of the multipolar ordering in Ca3Co2O6, A. Bombardi, C. Mazzoli, S. Agrestini, and M. R. Lees , Physical Review B 78 , 100406 (2008).

Full Text PDF: Download (191 kB)


Incommensurate magnetic ground state revealed by resonant x-ray scattering in the frustrated spin system Ca3Co2O6, S. Agrestini, C. Mazzoli, A. Bombardi, and M. R. Lees, Physical Review B 77, 140403 (2008).

Full Text PDF: Download (209 kB)


Evidence of soft modes in magnetoelectric CuFeO2: Ultrasonic velocity measurements and Landau theory, G. Quirion, M. J. Tagore, M. L. Plumer, O. A. Petrenko, Physical Review B 77, 094111 (2008).

Full Text PDF: Download (230 kB)


Spin dynamics of the pyrochlore magnets Gd2Ti2O7 and Gd2Sn2O7 in the paramagnetic state, S. S. Sosin, L. A. Prozorova, A. I. Smirnov, P. Bonville, G.L.J. Bras, and O.A. Petrenko, Physical Review B 77, 104424 (2008).

Full Text PDF: Download (401 kB)


Electronic texture of the thermoelectric oxide Na0.75CoO2, M. -H. Julien, C. de Vaulx, H. Mayaffre, C. Berthier, M. Horvatic, V. Simonet, J. Wooldridge, G. Balakrishnan, M. R. Lees, D. P. Chen, C. T. Lin, and P. Lejay, Physical Review Letters 100, 096405 (2008).

Full Text PDF: Download (631 kB)


In-plane oxygen diffusion in single crystals of Bi2Sr2CaCu2O8+delta, T. M. Benseman, J. R. Cooper, G. Balakrishnan, Physica C-Superconductivity and its Applications 468, 81 (2008).

Full Text PDF: Download (271 kB)


O. A. Petrenko, G. Balakrishnan, N. R. Wilson, S. de Brion, E. Suard, and L. C. Chapon, Physical Review B 78, 184410 (2008).

Full Text PDF: Download (1.1 MB)