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Title: High-pressure synthesis, crystal structure, and magnetic properties of the Shastry-Sutherland-lattice oxides BaLn2ZnO5 (Ln = Pr, Sm, Eu)

Abstract

BaPr2ZnO5, BaSm2ZnO5, and BaEu2ZnO5 – a series of 4f magnetic insulators comprising the Shastry-Sutherland lattice – were synthesized via a solid-state reaction under high-pressure and high-temperature conditions. The magnetic behaviors are well characterized by the localized 4f electrons of each Ln3+ (= Pr, Sm, Eu) under the influence of the crystal-electric field of the surrounding ions. The magnetic susceptibility and heat capacity measurements of BaPr2ZnO5 (Pr3+; 4f2 3H4) indicate the splitting of the ground state J-multiplet due to the crystal-electric field. BaSm2ZnO5 (Sm3+; 4f5 6H5/2) is a strong Van Vleck paramagnet, while BaEu2ZnO5 is non-magnetic due to the 7F0 ground state (Eu3+; 4f6 7F0). The series of new oxides enriches a group of the Shastry-Sutherland lattice materials and helps to develop a range of two-dimensional quantum materials.

Authors:
 [1];  [2];  [1];  [1]; ORCiD logo [3];  [2]
  1. Hokkaido Univ., Sapporo (Japan)
  2. National Institute for Materials Science, Tsukuba, Ibaraki (Japan). International Center for Materials Nanoarchitectonics (WPI-MANA); Hokkaido Univ., Sapporo (Japan)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; Japan Society for the Promotion of Science (JSPS)
OSTI Identifier:
1649046
Grant/Contract Number:  
AC05-00OR22725; JP19J14391
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Solid State Chemistry
Additional Journal Information:
Journal Volume: 289; Journal ID: ISSN 0022-4596
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; BaPr2ZnO5; BaSm2ZnO5; BaEu2ZnO5; Shastry-sutherland lattice; High-pressure synthesis

Citation Formats

Ishii, Yuto, Chen, Jie, Yoshida, Hiroyuki K., Oda, Migaku, Christianson, Andrew D., and Yamaura, Kazunari. High-pressure synthesis, crystal structure, and magnetic properties of the Shastry-Sutherland-lattice oxides BaLn2ZnO5 (Ln = Pr, Sm, Eu). United States: N. p., 2020. Web. doi:10.1016/j.jssc.2020.121489.
Ishii, Yuto, Chen, Jie, Yoshida, Hiroyuki K., Oda, Migaku, Christianson, Andrew D., & Yamaura, Kazunari. High-pressure synthesis, crystal structure, and magnetic properties of the Shastry-Sutherland-lattice oxides BaLn2ZnO5 (Ln = Pr, Sm, Eu). United States. https://doi.org/10.1016/j.jssc.2020.121489
Ishii, Yuto, Chen, Jie, Yoshida, Hiroyuki K., Oda, Migaku, Christianson, Andrew D., and Yamaura, Kazunari. Fri . "High-pressure synthesis, crystal structure, and magnetic properties of the Shastry-Sutherland-lattice oxides BaLn2ZnO5 (Ln = Pr, Sm, Eu)". United States. https://doi.org/10.1016/j.jssc.2020.121489. https://www.osti.gov/servlets/purl/1649046.
@article{osti_1649046,
title = {High-pressure synthesis, crystal structure, and magnetic properties of the Shastry-Sutherland-lattice oxides BaLn2ZnO5 (Ln = Pr, Sm, Eu)},
author = {Ishii, Yuto and Chen, Jie and Yoshida, Hiroyuki K. and Oda, Migaku and Christianson, Andrew D. and Yamaura, Kazunari},
abstractNote = {BaPr2ZnO5, BaSm2ZnO5, and BaEu2ZnO5 – a series of 4f magnetic insulators comprising the Shastry-Sutherland lattice – were synthesized via a solid-state reaction under high-pressure and high-temperature conditions. The magnetic behaviors are well characterized by the localized 4f electrons of each Ln3+ (= Pr, Sm, Eu) under the influence of the crystal-electric field of the surrounding ions. The magnetic susceptibility and heat capacity measurements of BaPr2ZnO5 (Pr3+; 4f2 3H4) indicate the splitting of the ground state J-multiplet due to the crystal-electric field. BaSm2ZnO5 (Sm3+; 4f5 6H5/2) is a strong Van Vleck paramagnet, while BaEu2ZnO5 is non-magnetic due to the 7F0 ground state (Eu3+; 4f6 7F0). The series of new oxides enriches a group of the Shastry-Sutherland lattice materials and helps to develop a range of two-dimensional quantum materials.},
doi = {10.1016/j.jssc.2020.121489},
journal = {Journal of Solid State Chemistry},
number = ,
volume = 289,
place = {United States},
year = {Fri Jun 05 00:00:00 EDT 2020},
month = {Fri Jun 05 00:00:00 EDT 2020}
}

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