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journal article·2017-05-01Open access

Effect of epitaxial strain and lattice mismatch on magnetic and transport behaviors in metamagnetic FeRh thin films

Yali Xie, Qingfeng Zhan, Tian Shang, Huali Yang, Baomin Wang, Jin Tang, Run-Wei Li

AIP Advances· Volume 7· Issue 5
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Source abstract

Abstract

We grew 80 nm FeRh films on different single crystals with various lattice constants. FeRh films on SrTiO3 (STO) and MgO substrates exhibit an epitaxial growth of 45° in-plane structure rotation. In contrast, FeRh on LaAlO3 (LAO) displays a mixed epitaxial growth of both 45° in-plane structure rotation and cube-on-cube relationships. Due to the different epitaxial growth strains and lattice mismatch values, the critical temperature for the magnetic phase transition of FeRh can be changed between 405 and 360 K. In addition, the external magnetic field can shift this critical temperature to low temperature in different rates for FeRh films grown on different substrates. The magnetoresistance appears a maximum value at different temperatures between 320 and 380 K for FeRh films grown on different substrates.
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Research context

OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Advanced Condensed Matter Physics · Electronic and Structural Properties of Oxides

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

Affiliations

Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences 1 Key Laboratory of Magnetic Materials and Devices & Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, , Ningbo 315201, People’s Republic of China

Institute of Physics, Chinese Academy of Sciences 2 State Key Laboratory of Magnetism and Beijing National Laboratory for Condensed Matter Physics, , Beijing 100190, People’s Republic of China

Funding

Key Research Program of the CAS · National Key technologies · Ningbo International Cooperation project · Ningbo Nature Science Founding · Ningbo Science and Technology Innovation Team · National Natural Science Foundation of China

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