We bid farewell to Dr Kathrin Gotze who has completed her ERC post-doc working with Paul Goddard and leaves to start work as accelerator scientist at the synchrotron - DESY in Hamburg.

Congratulations to Sam Curley on successfully defending his PhD thesis. Sam’s work was supervised by Paul Goddard.

Sam used pressure and magnetic field to tune quantum interactions and shed light on the causes of exotic magnetism and unconventional superconductivity.

Sam is now based in Manchester where he is training to be a Medical Physicist.

We bid farewell to Monica Ciomaga Hatnean who is leaving the group after 8 years to take up new a role at the ETH in Zurich. We wish Monica and her partner Christian all the best for their new life together in Switzerland.

Congratulations to Marta Crisanti who has completed her doctorate. Marta ’s work was supervised by Don Paul, Robert Cubitt, latterly with a little help from Oleg Petrenko. Marta has used SANS to study skyrmions and spent the last three years of her PhD based In Grenoble at the ILL.

The group welcomes three a new PhD students.

Manisha Islam who joins us from University of York and will work with Oleg Petrenko, Shroya Vaidya who completed a MPhys degree here at the University of Warwick and is supervised by Paul Goddard, and George Wood, who is working with Geetha Balakrishnan after completing his first degree at the University of Bristol.

The group went for a meal in Leamington Spa to wish farewell to Dr Santosh Kumar. Santosh has completed his 4 year post-doc working as part of the PRETAMAG project.

Santosh has returned to India and is currently working at the TIFR Mubai as a Visiting Research Fellow before taking up a post as an Assistant Professor at IIT Dharwad.

The group welcomes David Jonas, a new PhD student who joins the group after completing his MPhys here at Warwick. David will be working on superconductors with Martin Lees.

We bid farewell to Dr Robert Williams who has completed his post-doc working with Paul Godard and leaves to start training as a Medical Physicist at the University of Edinburgh. We also say auf wiedersehen und viel glück to Dr Ales Stefancic, who leaves us after completing his post-doc with Geetha Balakrishnan to take up new a role as a Research Fellow at PSI.

Congratulations to Dan Mayoh who has completed his doctorate. Dan’s work was supervised by Martin Lees and involved in-house measurements, and muon spectroscopy and neutron scattering experiments performed at ISIS, studying the properties of some novel noncentrosymmetric superconductors.

Dan's thesis, Experimental Studies of Noncentrosymmetric Superconductors can be downloaded from his web page.

A project entitled Single Crystal Growth (EP/T005963/1) at Warwick has been funded by the EPSRC from September 2019.

The research is led by Prof. Geetha Balakrishan and includes Dr Monica Ciomaga Hatnean as Senior Research Fellow.

Congratulations to Simon Riberolles who has completed his doctorate. Simon, who was an ILL PhD student, was co-supervised by Oleg Petrenko (Warwick) and Navid Qureshi (ILL).

Simon studied the magnetic properties of the geometrically frustrated SrLn₂O₄ (Ln = Nd, Gd, Dy, Ho, Er).

The group welcomes Dr Matthew Coak. Matt joins the group having completed a PhD at Cambridge supervised by Dr Siddharth Saxena and and a first postdoctoral position in the Emergent Phenomena Group of the IBS Centre for Correlated Electron Systems at Seoul National University, under Prof Je-Geun Park. Matt will work with Dr Paul Goddard studying the properties of quantum systems at low-temperature, and under high pressure and magnetic field.

Congratulations to Will Blackmore on successfully defending his PhD thesis. His work was supervised by Paul Goddard.

Will's thesis entitled Ground states in low-dimensional quantum magnets can be downloaded from WRAP here.

The Group welcomes Amelia Hall, a new PhD student. Amelia, who joins us from York, will be working with Geetha Balakrishnan on skyrmionic materials.

Congratulations to Jamie Brambleby on successfully defending his PhD thesis. His work was supervised by Paul Goddard.

Jamie's thesis is entitled Quantum magnetism in coordination polymers. The thesis can be downloaded from WRAP here.

It's goodbye and good luck to Ali Julian our Group Technician, who is leaving Warwick University to return to his family business in Cornwall. Everyone in the Group would like to thank Ali for all his hard work over the last three years and to wish him and the Julian family every success for their new life in Cornwall.

In recognition of the excellent contribution that postdocs make to the research in the Physics Department at the University of Warwick, the Head of Department, Prof. David Leadley, has initiated an award for the best paper published by a research fellow this year. Chris Patrick and Santosh Kumar from PRETAMAG have jointly won the first award for their paper “Rare-earth/transition-metal magnetic interactions in pristine and (Ni,Fe)-doped YCo₅ and GdCo₅” Phys.Rev.Materials 1, 02411 (2017). The paper was consider to be well-written and to convey clearly the outcomes of the joint theory-experimental activities. The interpretation of results and insight into the materials that this joint approach has enabled was particularly commended.

The Group welcomes 3 new PhD students, Sam Holt, Bethany Hampshire, and Sam Curley. Sam Holt will be working with Geetha Balakrishnan on Skyrmionic materials. Beth will be working under the joint supervision of Don Paul (Warwick) and Aidy Hillier (ISIS-RAL) on the use of negative muons, studying at Warwick and at ISIS. Sam Curley will be working with Paul Goddard on an ERC project studying Quantum Materials under Extreme Conditions.

Two Undergraduate Research Support Scheme (URSS) project students have joined the group over the summer. Oliver Rigby (3^rd year Physics) is working with Martin Lees and Santosh Kumar on the physics of rare earth transition metal magnets as part of the PRETAMAG project. Stepan Marek (2nd year Physics) is working with Oleg Petrenko on SrRE₂O₄ frustrated magnetic materials.

The Group held its summer meal at Seasons restaurant in Leamington Spa. The whole group took the chance to get together and to wish Saurabh Barua bon voyage, as he is leaving the Group soon when his post-doc comes to a close.

The meal came about due to the excellent organisation of Dan Brunt. Thanks Dan!

Over the last month, Prof. Geetha Balakrishnan and the group have hosted three separate visits by Japanese scientists.

Dr. Kaya Kobayashi from Okayama University has been working with Dr Ales Stefancic growing some new superconducting single crystals.

Prof. Toshiro Takabatake from Hiroshima University, a world leading expert in crystal growth and especially heavy fermions, Kondo insulators, thermoelectrics and related materials, visited us to discuss joint projects that included a reciprocal visit by Dan Mayoh to Hiroshima in August.

Prof. Shinchiro Seki, RIKEN, Japan also visited us in August to discuss the study of magnetic materials and Skyrmions in materials.

Almost the whole group decamped to Abingdon to attend the annual Theoretical and Experimental Magnetism Meeting (TEMM 2017). The meeting was combined with IOP Magnetism TCM joint group symposium and the UK-Korea workshop on strongly correlated electron systems. It was a great chance to talk to old friends and colleagues and to make new contacts. Dan Brunt gave an invited talk at the TCM theory meeting.

Prof. Ray Osborn, who is based at Argonne National Laboratory in the USA visited us just before TEMM and gave a CMP seminar, while Dr. Sylvain Petit of LLB -CEA Saclay came back from Abingdon with us to visit our labs and discuss future projects.

Monica Hatnean Ciomaga and Geetha Balakrishnan both attended this year's APS March meeting in New Orleans. Part scientific meeting – part Mardi Gras!

Congratulations to Joel Barker on successfully defending his PhD thesis. Joel, whose PhD work was jointly supervised by Don Paul at Warwick and Aidy Hillier at ISIS-RAL, has been studying the physics of non-centrosymmetric superconductors with a particular emphasis on the use of muon spectroscopy.

Joel's thesis which is entitled Muon Studies of Unconventional Superconductors can be downloaded from his web page.

We welcome Dr Ales Stefancic who has recently joined the Group as Post-Doctoral Research Assistant (PDRA) studying the physics of Skyrmionic materials. Ales will work here at Warwick as part of a larger EPSRC Programme Grant Skyrmionics: From Magnetic Excitations to Functioning Low-Energy Devices involving the Universities of Durham, Cambridge, Southampton, and Oxford. The work here at Warwick will be led by Prof. Geetha Balakrishnan.

We also welcome Marta Crisanti who joins us as a Warwick/ILL Ph.D. student working under the joint supervision of Don Paul (Warwick) and Robert Cubitt who works in the Large Scale Structures Group at the ILL. Marta will also be working on Skyrmionic materials, focussing on the use of small angle neutron scattering.

Oxides containing 5d ions, particularly Ir4+, offer possibilities for interesting spin-orbit and spin-lattice coupling effects. In these materials, the energy scales for spin-orbit interactions, Coulomb repulsion, and crystalline-electric fields can be very similar. Competition between these three energies can result in exotic magnetic states such as spin-orbit entanglement, extreme magnetic exchange anisotropy leading to, for example, a Kitaev spin liquid, and spin-orbit entangled Mott insulating behaviour.

Using experiments performed at the National High Magnetic Field Laboratory, a team from the USA, UK and South Korea (including Paul Goddard at Warwick) have observed extremely large coercive magnetic fields of up to 55 T in Sr₃NiIrO₆ and 52 T in Sr₃CoIrO₆, with switched magnetic moments of ≈ 1μ_B and 3μ_B per formula unit, respectively. Rather than the switching of magnetic domains, which is the cause of the coercive fields of traditional ferromagnets, the large hysteresis observed in our materials evolves out of a frustrated, antiferromagnetic ground state that incorporates an entangled spin-orbit state on the 5d ion.

Magnetic properties of Sr₃NiIrO₆ and Sr₃CoIrO₆: Magnetic hysteresis with coercive fields of up to 55 T, J. Singleton, J. W. Kim, C. V. Topping, A. Hansen, E.-D. Mun, S. Chikara, I. Lakis, S. Ghannadzadeh, P. Goddard, X. Luo, Y. S. Oh, S.-W. Cheong, and V. S. Zapf, Physical Review B 94, 224408 (2016).

Welcome to Dr Kathrin Gotze and Dr Robert Williams who have recently joined the Group as Post-Doctoral Research Assistants (PDRAs).

Kathrin previously worked in the High Magnetic Field Laboratory in Dresden, while Rob has just completed his PhD at Durham University. Both Robert and Kathrin will be working on an ERC funded project entitled Quantum Materials Under Extreme Conditions led by Dr Paul Goddard.

Dr Paul Goddard has been awarded an ERC Consolidator Grant with maximum ERC funding of 1.84 million euros.

The EXTREMEQUANTUM project will significantly advance our knowledge of interacting quantum systems.

Welcome to Amy Tedstone and Matt Pearce who have joined the Group as PhD students. Amy will be working jointly with Rachel Edwards of the Ultrasound Group and Martin Lees and Geetha Balakrishnan on Permanent Magnet Systems (PRETAMAG project). Matt has joined Paul Goddard working on Low Dimensional and Molecular Magnets.

A paper has been published in Nature Physics that reveals that magnetic fragmentation occurs in the spin ice candidate Nd₂Zr₂O₇. The work was carried out in collaboration with colleagues from the CEA in Saclay and the ILL, CEA, and the Institut Neel in Grenoble.

It has recently been suggested that in spin ice, the magnetic moment field can fragment, resulting in a dual ground state consisting of a fluctuating spin liquid, a so-called Coulomb phase, on top of a magnetic monopole crystal. Here we show, by means of neutron scattering measurements, that such fragmentation occurs in Nd₂Zr₂O₇. We observe the spectacular coexistence of an antiferromagnetic order induced by the monopole crystallization and a fluctuating state with ferromagnetic correlations.

Experimentally, this fragmentation manifests itself through the superposition of magnetic Bragg peaks, characteristic of the ordered phase, and a pinch point pattern, characteristic of the Coulomb phase. These results highlight the relevance of the fragmentation concept to describe the physics of systems that are simultaneously ordered and fluctuating.

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

Also see ILL highlights.

Congratulations to Mo Saghir on successfully defending his PhD thesis. Mo, whose Ph.D. work was supervised by Geetha Balakrishnan, has been working on growing new topological insulators and superconductors in both bulk and nano form.

Mo's thesis is entitled Topological Insulators: A Study of Bulk Crystalline and Nanomaterials and can be downloaded from his web page.

At temperatures above 300 mK, gradual restoration of kinetic monopole equilibria causes the non-Ohmic current to smoothly evolve into the high-field Wien effect for magnetic monopoles, as confirmed by comparison to a recent and rigorous theory of the Wien effect in spin ice. The results extend the universality of the exponential-root field form into magnetism and illustrate the power of emergent particle kinetics to describe far-from-equilibrium response in complex systems.

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, and S. T. Bramwell, Nature Physics 12, 661 (2016).

Geetha Balakrishnan has successfully organised and co-chaired (along with Rosalba Tatiana Fittipaldi) the Spring 2016, Towards Oxide Based Electronics (TO-BE) meeting here in the Physics Department at the University of Warwick.

The conference addressed recent global trends in the field of Transition Metal Oxides, covering a wide range of topics including fabrication methods, sophisticated analytical techniques and the fundamental understanding of these materials in various forms (thin films, bulk, nanostructures). The scope of the meeting also covered the use of oxides in applications and in industry.

The Local Organising Committee included Natalia Parzyk, and help with bell ringing from Mo Saghir.

Monica Ciomaga-Hatnean gave a talk on Friday 8^th April.

Welcome to Dr Sourabh Barua and Dr Santosh Kumar who have just joined the Group as Post-Doctoral Research Assistants (PDRAs).

Santosh will be working with Geetha Balakrishnan, Martin Lees, and Rachel Edwards (Ultrasound Group) on a project to study rare-earth based permanent magnetic systems. This EPSRC funded project (PRETAMAG) includes experimental and theoretical studies and is led by Professor Julie Staunton.

Sourabh will be studying topological insulators in bulk and nano form in an EPSRC project led by Geetha Balakrishnan with collaborations at several institutions including the universities of Manchester and St Andrews, PSI, UCLA, and TIFR.

A paper has been published in JACS which reports the accurate electron density distribution and magnetic properties of two metal–organic polymeric magnets. The work is a collaboration with the Universities of Bern, Eastern Washington, Durham, and Oxford, and the high field laboratory in Los Alamos,

The paper combines high-resolution single-crystal X-ray diffraction, DFT calculations, and magnetic studies to characterize the possible magnetic exchange pathways and establish the relationships between the electron (charge and spin) densities and the exchange-coupling constants in both compounds.

Experimental and Theoretical Electron Density Analysis of Copper Pyrazine Nitrate Quasi-Low-Dimensional Quantum Magnets, L. H. R. Dos Santos, A. Lanza, A. M. Barton, J. Brambleby, W. J. A. Blackmore, P. A. Goddard, F. Xiao, R. C. Williams, T. Lancaster, F. L. Pratt, S. J. Blundell, J. Singleton, J. L. Manson, P. Macchi, Journal of the American Chemical Society 138, 2280 (2016).

A paper has been published in Physical Review Letters reporting our discovery of unconventional superconductivity in La₇Ir₃, one of a new family of noncentrosymmetric superconductors that breaks time reversal symmetry. The study using muon spectroscopy was carried out in collaboration with colleagues from IISER, Bhopal and TIFR, Mumbai in India, and ISIS-RAL.

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, and R. P. Singh, Physical Review Letters 115, 267001 (2015).

Neutron scattering and magnetization measurements down to 90 mK have been used to determine the magnetic ground state of the spin-ice candidate Nd₂Zr₂O₇. Along with colleagues from Grenoble and Saclay we show Nd₂Zr₂O₇ undergoes a transition at 285 mK towards an all-in–all-out antiferromagnetic state, and establish the H-T phase diagram. We propose that this behaviour results from the peculiar nature of the Nd dipolar-octupolar doublet, revealing the importance of multipolar correlations in pyrochlore oxides.

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

Welcome to Panayiota Argyrou, Daniel Mayoh, and Simon Riberolles who have all joined the Group as students.

Daniel will be working toward a PhD based here at Warwick, while Simon will spend one year at Warwick and then two years based at the Institute Laue Langevin (ILL) in Grenoble, France as an ILL PhD student. Panayiota will be working for an MSc by research here at Warwick.

A paper examining the hidden magnetic order in the spin-liquid Gd₃Ga₅O₁₂ has been published in the journal Science. Along with colleagues based in Oxford, the Niels Bohr Institute Copenhagen, Denmark, ESS Lund, Sweden, and the ILL Grenoble, France the work combines neutron scattering with theory to show that the spin-liquid Gd₃Ga₅O₁₂ supports hidden order in which multipoles are formed from 10 spin loops.

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

Please also see ILL Highlights 2015.

It's goodbye and good luck or rather tot ziens en succes to Tom Orton our Group Technician, who is leaving the Group after 15+ years of loyal service, man and boy. Tom is moving to Holland to work in the High Field Magnet Laboratory in Nijmegen. Everyone in Group would like to wish him success in his new role. Good luck Tom!

A paper demonstrating a new approach that allows air sensitive two-dimensional crystals to be cleaved, transferred, aligned, and encapsulated has been published in the journal Nano Letters. Along with colleagues based in Manchester, Grenoble in France, and Tsukuba in Japan, the work illustrates this technology on black phosphorous and niobium diselenide.

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, and R. V. Gorbachev, Nano Letters 15, 4914 (2015).

Geetha Balakrishnan and Martin Lees are two Co-Investigators on an EPSRC grant worth £931k to study the physics underlying the principles of design of rare earth - transition metal permanent magnets. The programme will be led by Prof. Julie Staunton and also includes Rachel Edwards here at Warwick.

A paper examining the unconventional Fermi surface in an insulating state in hexaboride SmB₆ has been published in the journal Science. Along with colleagues based in Cambridge , the National High Magnetic Field Laboratory in Tallahassee and Los Alamos observation, and the Naval Research Laboratory in Washington DC, the work shows that SmB₆ has an unusual insulating state with an electrically insulating bulk that simultaneously yields bulk quantum oscillations with characteristics of an unconventional Fermi liquid.

B. S. Tan, Y.-T. Hsu,1 B. Zeng, M. Ciomaga 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, and Suchitra E. Sebastian Unconventional Fermi surface in an insulating state, Science 349, 287 (2015).

Geetha Balakrishnan has been awarded a grant of £515k to continue our succcessful Single Crystal Growth programme here at Warwick. The new programme will run until June 2018.

Congratulations to Dr Michael Smidman who has been awarded a Physics Department Thesis Prize for 2015. Michael, whose PhD work was supervised by Geetha Balakrishnan, graduated from the Group in 2014. Michael's PhD is entitled "Superconducting and magnetic properties of non-centrosymmetric systems". The Thesis prize is sponsored by the Faculty of Science.

A paper entitled Dispersionless Spin Waves and Underlying Field-Induced Magnetic Order in Gadolinium Gallium Garnet has been published in Physical Review Letters. Oleg Petrenko and Nick d’Ambrumenil based here at Warwick, along with Hannu Mutka and Pascale Deen, have used neutron diffraction and inelastic neutron scattering in high magnetic fields to study the unusual magnetic properties of Gd₃Ga₅O₁₂. (Also see ESS website highlights).

N. d’Ambrumenil, O. A. Petrenko, H. Mutka, and P. P. Deen, Physical Review Letters 114, 227203 (2015).

Neutron Muon Science User and Meeting Poster Prize. Congratulations to Joel Barker who was awarded a prize for his poster at the UK NMSUM 2015.

Congratulations to Natalia Parzyk. Natalia, who has been working on the physics of some unconventional superconductors, has just completed her PhD Natalia who was supervised by Don Paul becomes the latest PhD student to graduate from the Superconductivity and Magnetism Group.

Welcome to Talha Ahmad and Will Blackmore who have joined the Group as PhD students. Talha will be working with Geetha Balakrishnan on Topological Insulators. Will has joined Paul Goddard working on Low Dimensional and Molecular Magnets.

Congratulations to Robert Cook. Robert has just completed his Ph.D. under the supervision Martin Lees and Peter Ellis (Johnson Matthey) to become the latest Ph.D. student to graduate from the Superconductivity and Magnetism Group.

A paper has been published in Nature in which angle-resolved quantum oscillation measurements are used to study the normal-state nodal electronic structure in underdoped high-Tc copper oxides. The work was performed at the High Field Laboratory in Los Alamos by Paul Goddard, along with his colleagues Suchitra Sebastian, N. Harrison, F. F. Balakirev, M. M. Altarawneh, Ruixing Liang, D. A. Bonn, W. N. Hardy and G. G. Lonzarich from Cambridge, Los Alamos, Mu’tah Universit in Jordan, and the University of British Columbia in Canada.

Suchitra E. Sebastian, N. Harrison, F. F. Balakirev, M. M. Altarawneh, P. A. Goddard, Ruixing Liang, D. A. Bonn, W. N. Hardy & G. G. Lonzarich, Nature 511, 61 (2014).

Congratulations to Michael Smidman. Michael (who has never looked so smart!) has just completed his PhD under the supervision of Geetha Balakrishnan and become the latest PhD student to graduate from the Superconductivity and Magnetism Group. Please also see news item in June 2015.

Several members of the Group (past and present) attended the 2014 International Conference on Highly Frustrated Magnetism held in Queens College, Cambridge on July 7-11, 2014. Dr. Monica Ciomaga Hatnean and Martin Lees gave presentations. HFM 2014 was co-organised by Dr. Oleg Petrenko.

A Warwick Physics Day on the Latest Developments in Frustrated Magnetism:spin liquids, spin glass, spin ice state was held on Saturday 5 July 2014.

The day was organised by Oleg Petrenko and featured speakers from around the world.

A paper has been published in Angewandte Chemie Int. Ed. describing a new synthesis approach to oxides of ruthenium, including new structures, and materials with unusual magnetic properties. The work was performed by Craig Hiley, a PhD student in the group of Richard Walton, in collaboration with an industrial partner (Johnson Matthey) and co-workers in Physics, as part of an ongoing study into the chemistry of precious-metal containing materials.

A paper describing a systematic investigation of the magnetic properties of the three-dimensional Kondo topological insulator SmB₆ using magnetization and muon-spin relaxation/rotation measurements has been published in Physical Review B. The study was carried out in collaboration with colleagues based at PSI and Zurich in Switerland, and Princeton in the USA.

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, Phys. Rev. B 89, 161107(R) (2014).

A paper describing our work on the non centrosymmetric superconductor Re₆Zr has been published in Physical Review Letters. The study using muon spectroscopy was carried out in collaboration with colleagues from Kent, Bristol, and ISIS-RAL.

R. P. Singh, A. D. Hillier, B. Mazidian, J. Quintanilla, J. F. Annett, D. McK. Paul, G. Balakrishnan, and M. R. Lees, Phys. Rev. Lett. 112, 107002 (2014).

Oleg Petrenko has been appointed Chairman of the Single Crystal Diffraction, Instrument Scientific and Advisory Technical Panel (STAP) at the European Spallation Source (ESS). The STAP consist of experts from Europe and around the world, contributing their knowledge and experience to help design and build a single-crystal diffractometer at the ESS.

Mo Saghir, Martin Lees, and Geetha Balakrishnan attend the APS March meeting in Denver, Colorado. The meeting featured presentations on all aspects of Condensed Matter Physics including our own work on topological insulators and exotic superconductors.

Geetha Balakrishnan and Martin Lees both gave invited talks at the International Workshop on Frustrated and Topology in Condensed Matter Physics held in Tainan, Taiwan from 13^th to 16^th February 2014. Prof. Lieh Jeng Chang, who completed his PhD in our Group in 1997, hosted the Conference and was a senior member of the Organizing Committee.

Geetha Balakrishnan has been awarded a grant of £490k to study topological insulators.

Congratulations to Olga Young. Olga has just completed her PhD under the supervision of Oleg Petrenko and become the latest PhD student to graduate from the Superconductivity and Magnetism Group.

Welcome to Jamie Brambleby and Daniel Brunt who have joined the Group as PhD students.

Congratulations to Tom Hayes who has completed an MPhil under the supervision of Oleg Petrenko.

Neutron Muon User Meeting Poster Prize. Congratulations to Joel Barker who was awarded joint first prize for his poster at the NMUM 2013.