journal article·2020-03-10Open access

Large Enhancement of Magnetocaloric and Barocaloric Effects by Hydrostatic Pressure in La(Fe0.92Co0.08)11.9Si1.1 with a NaZn13-Type Structure

Jiazheng Hao, Fengxia Hu, Jian-Tao Wang, Fei-Ran Shen, Zibing Yu, Houbo Zhou, Hui Wu, Qingzhen Huang, Kaiming Qiao, Jing Wang, Jun He, Lunhua He, Ji-Rong Sun, Baogen Shen

Chemistry of Materials· Volume 32· Issue 5

Abstract

-type structure. First-principles calculations were performed, which offers a theoretical support for the enlarged caloric effect related to the evolution of phase transition nature. Moreover, the enhanced lattice entropy change was calculated by Debye approximation, and a reliable way to evaluate BCE is demonstrated under a high pressure that DSC cannot reach. The present study proves that remarkable caloric effect enhancement can be achieved through tackling specific atomic environments by physical pressure, which may also be used to tailor other pressure-related effects, such as controllable negative thermal expansion.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Thermal Expansion and Ionic Conductivity · Rare-earth and actinide compounds

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Beijing National Laboratory for Condensed Matter Physics & State Key Laboratory of Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, P. R. China

Division of Functional Material Research, Central Iron and Steel Research Institute, Beijing 100081, P. R. China

School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, P. R. China

Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, P. R. China

NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States

Fujian Innovation Academy, Chinese Academy of Sciences, Fuzhou, Fujian 350108, P. R. China

China Spallation Neutron Source (CSNS), Guangdong 523808, P. R. China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Chinese Academy of Sciences

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