Sr)
Rh
Sn
Cheung, Y. W.*; Hu, Y. J.*; Goh, S. K.*; Kaneko, Koji 
; Tsutsui, Satoshi; Logg, P. W.*; Grosche, F. M.*; Kanagawa, Hibiki*; Tanioku, Yasuaki*; Imai, Masaki*; Matsumoto, Takuya*; Yoshimura, Kazuyoshi*
(CaSr)RhSn is a member of the substitution series (Ca
Sr
)RhSn which has recently been argued to feature a structural quantum critical point at 
= 0.9. In the stoichiometric compound Sr
Rh
Sn, the structural transition at 
138 K has been shown to be a second-order phase transition. Moving towards xc, we examine the character of the structural transition in (CaSr)RhSn (i.e. 
= 0.5, 55 K) using electrical resistivity, heat capacity and X-ray scattering. The absence of the thermal hysteresis in specific heat around , and the continuous evolution of the superlattice reflection detected by X-ray diffraction are consistent with the scenario that the structural transition associated with a modulation vector 
= (0.5, 0.5, 0) in (CaSr)RhSn remains second-order on approaching the quantum critical point.
Language |
: | English |
|---|---|---|
Journal |
: | |
Volume |
: | 807 |
Number |
: | 3 |
Pages |
: | p.032002_1 - 032002_4 |
Publication Year/Month |
: | 2017/04 |
Meeting title |
: | International Conference on Strongly Correlated Electron Systems (SCES 2016) |
Held date |
: | 2016/05 |
Location (city) |
: | Hangzhou |
Location (country) |
: | China |
| : | ||
Paper URL |
: |
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