Our new paper on the surface layer of Sr2RuO4 has appeared in Advanced Materials (Early View). Check it out to see how checkerboard charge order and nematicity emerge at the surface of the enigmatic superconductor Sr2RuO4, a material that continues to surprise. Our work raises interesting questions as to what one can learn from the surface electronic structure about bulk instabilities of a material.
New paper: Strain-Stabilized order in FeTe
Image: Chi Ming Yim
Our paper on strain-stabilized (π,π) order at the surface of FeTe has appeared in Nano Letters (here), showing how in samples under uniaxial strain a new surface phase emerges, showing (π,π) charge order with only short-ranged magnetic order instead of the usual (π,0) magnetic order of FeTe.
Meet us at the APS March Meeting
Meet us at the APS march meeting and learn more about our research. You can see members of the group and our research at the following contributions:
- Wednesday, March 17, 2021, 10:48–11:00: Soumendra Panja: “Tuning the ground state of iron based superconductors by uniaxial strain”
- Wednesday, March 17, 2021, 16:36-16:48: Chi-Ming Yim: “Strain-tuning emergent phases in FeTe between (π,0) and (π,π) order”
- Thursday, March 18, 2021, 8:00–8:12: Carolina Marques: “Checkerboard charge order, nematicity and magnetic-field tuning of a van Hove singularity in the surface layer of Sr2RuO4“
- Thursday, March 18, 2021, 12:06–12:42: Luke Rhodes: “Understanding the nematic electronic structure of FeSe and its impact on the superconducting state”
New paper: Superconductivity in non-centrosymmetric Sn4As3
Our paper on the non-centrosymmetric superconductor Sn4As3 has been published in New Journal of Physics. Using our millikelvin STM, we show that Sn4As3 is a type-I superconductor, and have studied its electronic structure in detail. Check it out here.
Meet us at the APS March Meeting
Hadn’t it been cancelled you could have met us at the APS march meeting in Denver and learned more about our research. Members of the group had the following contributions:
- Monday, March 2, 2020, 14:42–14:54: Carolina Marques: “Density wave at the reconstructed surface of Sr2RuO4 and implications for quantum criticality” in Mile High Ballroom 2C
- Monday, March 2, 2020, 16:18–16:30: Chi-Ming Yim: “Quasi-particle interference and confinement effects in a correlated Rashba spin-orbit split 2D electron gas” in Mile High Ballroom 2B
- Monday, March 2, 2020, 16:54–17:06: Soumendra Panja: “Emergent electronic properties of FeTe by strain tuning” in Mile High Ballroom 4B
- Tuesday, March 3, 2020, 9:12–9:24: Luke Rhodes: “kz selective scattering within Quasiparticle Interference measurements of FeSe” in Mile High Ballroom 4B
Burn retreat of CDQM
Just back from 3 days of talks and discussions of the latest research in the CDQM.
Congratulations!
Congratulations to Luke Rhodes, who was awarded an 1851 Fellowship to apply advanced spectroscopic methods to study quantum materials and unconventional superconductors subjected to strain.
Find out more on the pages of the Royal Commission for the Exhibition 1851.
New paper: Manipulating magnetic order in FeTe
Our paper on imaging and manipulating magnetic order of FeTe in vector magnetic fields has appeared in Science Advances, see https://goo.gl/8f2v9c. It shows how we can use spin-polarized STM not only to investigate surface magnetic order, but also to manipulate it.
See also Christopher Trainer’s talk at the APS March meeting on this, on Monday, March 4 at 3.54pm (Talk C06:8).
Other talks by the group include talks on Quasiparticle Interference on minerals (by Carolina De Almeida Marques, talk A33.3 (Monday 8.24am) and on a strain-stabilized charge density wave in LiFeAs by Chi-Ming Yim, talk A10.4 (Monday 9.00am).
Save the date: CMQM Meeting 2019
We will host the CMQM (Condensed Matter and Quantum Materials) meeting 2019 at the School of Physics and Astronomy, organized by the IOP. Through the CMQM conference we wish to provide a forum for the wider UK Condensed Matter Physics community to meet for discussions and to present their research across the specialised disciplines. The conference is supported by a wide range of relevant Institute of Physics groups and we envision it to be the first of an annual series, which we hope will rapidly become established as a platform for the community to come together in the spirit of the former CMMP meetings.
The meeting will take place 3-5 July 2019 in St Andrews, featuring plenary talks by Jacqueline Bloch, Andre Geim, Laura Heyderman, Steve Simon, and Julie Staunton, invited talks in specialized sessions and a poster session.
New paper: How to make 1D electronic states
A new way to engineer 1D surface states through kinetic stabilization. Never heard of this? – Read our paper at http://goo.gl/d9VPBr.