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Title: Transition from an Antiferromagnetic Ground State to Robust Ferrimagnetic Order with Curie Temperature above 420 K in Manganese-based Antiperovskite-type Structures

Manganese (Mn)-based antiperovskite structures (Mn 3AX, where A and X represent the 3d transition-metal elements and N or C atoms, respectively) have attracted growing attention because of their novel electronic and magnetic properties. However, the lack of an effective approach to regulate the magnetic coupling in Mn(3)AX crystal structure, particularly in antiferromagnetic ground states, hinders their further design and applications. Herein, robust high-temperature ferrimagnetic order with a Curie temperature (T C) in the range of approximate to 390-420 K was successfully achieved in Mn 3GaxNx (x = 0.5, 0.6, and 0.7) via composition-deficient engineering. A systematic investigation, including synchrotron X-ray diffraction, neutron powder diffraction, pair distribution function, X-ray absorption near-edge structure, magnetic characterization, and first-principles calculations, convincingly indicated that the redistribution of partial atoms in the antiferromagnetic ground state was responsible for the observed long-range magnetic order. These results not only provide a new perspective into the design and construction of high-temperature ferrimagnets based on the Mn 3AX structure, but also open up a promising avenue for the further design of Mn 3AX-based spintronic or other multifunctional devices.
Authors:
 [1] ;  [1] ;  [2] ;  [3] ;  [4] ;  [4] ;  [5] ;  [6] ;  [7] ;  [7] ;  [8] ;  [8] ;  [8] ;  [9] ;  [10] ;  [11]
  1. Harbin Inst. of Technology, Harbin (China). Center for Composite Materials and Structures
  2. Heilongjiang Academy of Sciences, Harbin (China). Inst. of Petrochemistry
  3. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS), X-Ray Science Division
  4. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States). NIST Center for Neutron Research
  5. Harbin Inst. of Technology, Harbin (China). Dept. of Physics, and Academy of Fundamental and Interdisciplinary Sciences
  6. Harbin Inst. of Technology, Harbin (China). Dept. of Physics
  7. Canadian Light Source Inc., Saskatoon, Saskatchewan (Canada); Technische Univ., Dresden (Germany)
  8. Canadian Light Source Inc., Saskatoon, Saskatchewan (Canada)
  9. Helmholtz-Zentrum Dresden-Rossendorf, Dresden (Germany). Inst. of Ion Beam Physics and Materials Research
  10. Helmholtz-Zentrum Dresden-Rossendorf, Dresden (Germany). Inst. of Ion Beam Physics and Materials Research; Univ. of Copenhagen (Denmark). The Niels Bohr Inst., Center for Quantum Devices and Station Q Copenhagen
  11. Harbin Inst. of Technology, Harbin (China). Center for Composite Materials and Structures, Dept. of Physics, and Academy of Fundamental and Interdisciplinary Sciences
Publication Date:
Grant/Contract Number:
AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
Journal of Materials Chemistry C
Additional Journal Information:
Journal Volume: 6; Journal Issue: 48; Journal ID: ISSN 2050-7526
Publisher:
Royal Society of Chemistry
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
National Natural Science Foundation of China (NNSFC); Ministry of Science and Technology of the People's Republic of China - International Science and Technology Cooperation Program; Ministry of Education of the People's Republic of China - New Century Excellent Talents In University Program; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE
OSTI Identifier:
1489511

Zhang, Xinghong, Yuan, Quan, Gao, Tangling, Ren, Yang, Wu, Hui, Huang, Qingzhen, Zhao, Jinggeng, Wang, Xianjie, Yuan, Ye, Xu, Chi, Hu, Yongfeng, Dynes, James J., Zhou, Jigang, Zhou, Shengqiang, Liu, Yu, and Song, Bo. Transition from an Antiferromagnetic Ground State to Robust Ferrimagnetic Order with Curie Temperature above 420 K in Manganese-based Antiperovskite-type Structures. United States: N. p., Web. doi:10.1039/c8tc04946g.
Zhang, Xinghong, Yuan, Quan, Gao, Tangling, Ren, Yang, Wu, Hui, Huang, Qingzhen, Zhao, Jinggeng, Wang, Xianjie, Yuan, Ye, Xu, Chi, Hu, Yongfeng, Dynes, James J., Zhou, Jigang, Zhou, Shengqiang, Liu, Yu, & Song, Bo. Transition from an Antiferromagnetic Ground State to Robust Ferrimagnetic Order with Curie Temperature above 420 K in Manganese-based Antiperovskite-type Structures. United States. doi:10.1039/c8tc04946g.
Zhang, Xinghong, Yuan, Quan, Gao, Tangling, Ren, Yang, Wu, Hui, Huang, Qingzhen, Zhao, Jinggeng, Wang, Xianjie, Yuan, Ye, Xu, Chi, Hu, Yongfeng, Dynes, James J., Zhou, Jigang, Zhou, Shengqiang, Liu, Yu, and Song, Bo. 2018. "Transition from an Antiferromagnetic Ground State to Robust Ferrimagnetic Order with Curie Temperature above 420 K in Manganese-based Antiperovskite-type Structures". United States. doi:10.1039/c8tc04946g.
@article{osti_1489511,
title = {Transition from an Antiferromagnetic Ground State to Robust Ferrimagnetic Order with Curie Temperature above 420 K in Manganese-based Antiperovskite-type Structures},
author = {Zhang, Xinghong and Yuan, Quan and Gao, Tangling and Ren, Yang and Wu, Hui and Huang, Qingzhen and Zhao, Jinggeng and Wang, Xianjie and Yuan, Ye and Xu, Chi and Hu, Yongfeng and Dynes, James J. and Zhou, Jigang and Zhou, Shengqiang and Liu, Yu and Song, Bo},
abstractNote = {Manganese (Mn)-based antiperovskite structures (Mn3AX, where A and X represent the 3d transition-metal elements and N or C atoms, respectively) have attracted growing attention because of their novel electronic and magnetic properties. However, the lack of an effective approach to regulate the magnetic coupling in Mn(3)AX crystal structure, particularly in antiferromagnetic ground states, hinders their further design and applications. Herein, robust high-temperature ferrimagnetic order with a Curie temperature (TC) in the range of approximate to 390-420 K was successfully achieved in Mn3GaxNx (x = 0.5, 0.6, and 0.7) via composition-deficient engineering. A systematic investigation, including synchrotron X-ray diffraction, neutron powder diffraction, pair distribution function, X-ray absorption near-edge structure, magnetic characterization, and first-principles calculations, convincingly indicated that the redistribution of partial atoms in the antiferromagnetic ground state was responsible for the observed long-range magnetic order. These results not only provide a new perspective into the design and construction of high-temperature ferrimagnets based on the Mn3AX structure, but also open up a promising avenue for the further design of Mn3AX-based spintronic or other multifunctional devices.},
doi = {10.1039/c8tc04946g},
journal = {Journal of Materials Chemistry C},
number = 48,
volume = 6,
place = {United States},
year = {2018},
month = {12}
}

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