Peak in the critical current density in tuned towards the structural quantum critical point

X Liu, W Zhang, KT Lai, K Moriyama, JL Tallon… - Physical Review B, 2022 - APS
(Ca x Sr 1− x) 3 Rh 4 Sn 13 is a rare system that has been shown to display an interesting
interplay between structural quantum criticality and superconductivity. A putative structural …

Possible unconventional pairing in superconductors revealed by controlling disorder

EH Krenkel, MA Tanatar, M Kończykowski, R Grasset… - Physical Review B, 2022 - APS
We study the evolution of temperature-dependent resistivity with added pointlike disorder
induced by 2.5 MeV electron irradiation in stoichiometric compositions of the “3-4-13” …

Second-order structural transition in the superconductor

YW Cheung, JZ Zhang, JY Zhu, WC Yu, YJ Hu… - Physical Review B, 2016 - APS
The quasiskutterudite superconductor La 3 Co 4 Sn 13 undergoes a phase transition at T*=
152 K. By measuring the temperature dependence of heat capacity, electrical resistivity, and …

The effective increase in atomic scale disorder by do** and superconductivity in Ca3Rh4Sn13

A Ślebarski, P Zajdel, M Fijałkowski… - New Journal of …, 2018 - iopscience.iop.org
A comprehensive study of the electronic structure, thermodynamic and electrical transport
properties reveals the existence of inhomogeneous superconductivity due to structural …

Optical spectroscopy study of charge density wave order in Sr3Rh4Sn13 and (Sr0.5Ca0.5)3Rh4Sn13

WJ Ban, HP Wang, CW Tseng, CN Kuo, CS Lue… - Science China Physics …, 2017 - Springer
We perform optical spectroscopy measurement on single-crystal samples of Sr 3 Rh 4 Sn 13
and (Sr 0.5 Ca 0.5) 3 Rh 4 Sn 13. Formation of CDW energy gap was clearly observed for …

Soft phonon modes in the vicinity of the structural quantum critical point

YJ Hu, YW Cheung, WC Yu, M Imai, H Kanagawa… - Physical Review B, 2017 - APS
The quasiskutterudite superconductors A 3 T 4 Sn 13 (A= Sr, Ca; T= Ir, Rh, Co) are highly
tunable, featuring a structural quantum critical point. We construct a temperature-lattice …

Transport and NMR characteristics of the skutterudite-related compound Ca3Rh4Sn13

CW Tseng, CN Kuo, BS Li, LM Wang… - Solid State …, 2018 - Elsevier
We report the electronic properties of the Yb 3 Rh 4 Sn 13-type single crystalline Ca 3 Rh 4
Sn 13 by means of the electrical resistivity, Hall coefficient, Seebeck coefficient, thermal …

Nature of Structural Instabilities in Superconducting Sr3Ir4Sn13

K Kaneko, YW Cheung, Y Hu, M Imai… - Proceedings of the …, 2020 - journals.jps.jp
In order to obtain microscopic insights into phase transition phenomena in Sr3Ir4Sn13,
complementary neutron and inelastic x-ray scattering experiments were carried out. Neutron …

Charge-density-wave state induced by structural distortion in heavy-fermion compounds CeMSn (M=Co, Ru, Rh)

L Kalinowski, J Goraus, A Ślebarski - arxiv preprint arxiv:1609.05239, 2016 - arxiv.org
In previous reports a structural transition from a cubic phase of Yb $ _3 $ Rh $ _4 $ Sn $ _
{13} $-type to the superlattice variant has been reported at $\sim160 $ K for a series of …

Transport and thermodynamic studies of the superconductors A3T4Sn13 and YFe2Ge2

X Chen - 2017 - repository.cam.ac.uk
Materials in proximity to quantum critical points (QCPs) experience strong fluctuations in the
order parameter associated with the transition and often, as a result, display interesting …