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journal article·2018-05-01Open access

Low temperature specific heat of Yb2Ti2O7 single crystals

S. J. Li, H. L. Che, J. C. Wu, X. Zhao, X. F. Sun

AIP Advances· Volume 8· Issue 5
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Source abstract

Abstract

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 || [100] but different from that for H || [111]. The experimental data also show a 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)].
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Research context

OpenAlex topics: Advanced Condensed Matter Physics · Multiferroics and related materials · Nuclear materials and radiation effects

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Affiliations

Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China 1 , Hefei, Anhui 230026, People’s Republic of China

School of Physical Sciences, University of Science and Technology of China 2 , Hefei, Anhui 230026, People’s Republic of China

Key Laboratory of Strongly-Coupled Quantum Matter Physics, Chinese Academy of Sciences 3 , Hefei, Anhui 230026, People’s Republic of China

Collaborative Innovation Center of Advanced Microstructures 4 , Nanjing, Jiangsu 210093, People’s Republic of China

Funding

National Basic Research Program of China · National Natural Science Foundation of China

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