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The Role of Magnetism and Phonons in the Negative Thermal Expansion of Layered Chromium Telluride

Chengyi Yu, Yujie Chen, Yili Cao, Qilong Gao, Yixin Jiao, Xin Chen, Chin-Wei Wang, Kenichi Kato, Shogo Kawaguchi, Pengfei An, Andrea Sanson, Qiang Li, Kun Lin, Xianran Xing

Peer-reviewed journal

In the authors' words

This journal does not let us republish the full abstract. Here are the two sentences Pipette selected, quoted from it. Read the rest at the publisher.

Main result
The resulting volumetric NTE (αv = −10.7 × 10–6 K–1, 250–350 K) therefore arises from a “geometric coupling” mechanism between phonons and magnetic ordering.

Appeared: Sunday, September 27. Journal of the American Chemical Society. Peer-reviewed journal.

DOI: 10.1021/jacs.6c17071