Low temperature specific heat of Yb2Ti2O7 single crystals

被引：4

作者：

Li, S. J. ^{[1
]}

Che, H. L. ^{[2
]}

Wu, J. C. ^{[1
]}

Zhao, X. ^{[2
]}

Sun, X. F. ^{[1
,3
,4
]}

机构：

[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

[2] Univ Sci & Technol China, Sch Phys Sci, Hefei 230026, Anhui, Peoples R China

[3] Chinese Acad Sci, Key Lab Strongly Coupled Quantum Matter Phys, Hefei 230026, Anhui, Peoples R China

[4] Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

AIP ADVANCES | 2018年 / 8卷 / 05期

基金：

中国国家自然科学基金;

关键词：

OXIDES; EARTH;

D O I：

10.1063/1.5005988

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We study the specific heat of Yb2Ti2O7 single crystals at low temperatures down to 0.4 K and in magnetic fields along the [110] crystalline direction. There is a small peak near 0.4 K at low magnetic fields, signaturing a first-order transition, and its field dependence is consistent with that for H parallel to [100] but different from that for H parallel to [111]. The experimental data also showa broad peak at about 2 K, which has a nonmonotonic change with increasing field. This road peak is originated from the spin correlations and its field dependence can be understood from the recent numerical linked-cluster calculations [Hayre et al., Phys. Rev. B 87, 184423 (2013)]. (C) 2017 Author(s).

引用

页数：6

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