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Title: Physical properties of single crystalline R Mg 2 Cu 9 ( R = Y , Ce - Nd , Gd - Dy , Yb ) and the search for in-plane magnetic anisotropy in hexagonal systems

Abstract

Single crystals of RMg2Cu9 (R=Y, Ce-Nd, Gd-Dy, Yb) were grown using a high-temperature solution growth technique and were characterized by measurements of room-temperature x-ray diffraction, temperature-dependent specific heat, and temperature- and field-dependent resistivity and anisotropic magnetization. YMg2Cu9 is a non-local-moment-bearing metal with an electronic specific heat coefficient, γ ~ 15 mJ/mol K2. Yb is divalent and basically non-moment-bearing in YbMg2Cu9. Ce is trivalent in CeMg2Cu9 with two magnetic transitions being observed at 2.1 K and 1.5 K. PrMg2Cu9 does not exhibit any magnetic phase transition down to 0.5 K. The other members being studied (R = Nd, Gd-Dy) all exhibit antiferromagnetic transitions at low temperatures ranging from 3.2 K for NdMg2Cu9 to 11.9 K for TbMg2Cu9. Whereas GdMg2Cu9 is isotropic in its paramagnetic state due to zero angular momentum (L = 0), all the other local-moment-bearing members manifest an anisotropic, planar magnetization in their paramagnetic states. To further study this planar anisotropy, detailed angular-dependent magnetization was carried out on magnetically diluted (Y0.99Tb0.01)Mg2Cu9 and (Y0.99Dy0.01)Mg2Cu9. Despite the strong, planar magnetization anisotropy, the in-plane magnetic anisotropy is weak and field-dependent. Finally, a set of crystal electric field parameters are proposed to explain the observed magnetic anisotropy.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Ames Lab. and Iowa State Univ., Ames, IA (United States)
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1347414
Alternate Identifier(s):
OSTI ID: 1329957
Report Number(s):
IS-J-9195
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1701336
Grant/Contract Number:  
AC02-07CH11358; GBMF4411
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 94; Journal Issue: 14; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Kong, Tai, Meier, William R., Lin, Qisheng, Saunders, Scott M., Bud'ko, Sergey L., Flint, Rebecca, and Canfield, Paul C.. Physical properties of single crystalline RMg2Cu9 (R=Y,Ce-Nd,Gd-Dy,Yb) and the search for in-plane magnetic anisotropy in hexagonal systems. United States: N. p., 2016. Web. https://doi.org/10.1103/PhysRevB.94.144434.
Kong, Tai, Meier, William R., Lin, Qisheng, Saunders, Scott M., Bud'ko, Sergey L., Flint, Rebecca, & Canfield, Paul C.. Physical properties of single crystalline RMg2Cu9 (R=Y,Ce-Nd,Gd-Dy,Yb) and the search for in-plane magnetic anisotropy in hexagonal systems. United States. https://doi.org/10.1103/PhysRevB.94.144434
Kong, Tai, Meier, William R., Lin, Qisheng, Saunders, Scott M., Bud'ko, Sergey L., Flint, Rebecca, and Canfield, Paul C.. Mon . "Physical properties of single crystalline RMg2Cu9 (R=Y,Ce-Nd,Gd-Dy,Yb) and the search for in-plane magnetic anisotropy in hexagonal systems". United States. https://doi.org/10.1103/PhysRevB.94.144434. https://www.osti.gov/servlets/purl/1347414.
@article{osti_1347414,
title = {Physical properties of single crystalline RMg2Cu9 (R=Y,Ce-Nd,Gd-Dy,Yb) and the search for in-plane magnetic anisotropy in hexagonal systems},
author = {Kong, Tai and Meier, William R. and Lin, Qisheng and Saunders, Scott M. and Bud'ko, Sergey L. and Flint, Rebecca and Canfield, Paul C.},
abstractNote = {Single crystals of RMg2Cu9 (R=Y, Ce-Nd, Gd-Dy, Yb) were grown using a high-temperature solution growth technique and were characterized by measurements of room-temperature x-ray diffraction, temperature-dependent specific heat, and temperature- and field-dependent resistivity and anisotropic magnetization. YMg2Cu9 is a non-local-moment-bearing metal with an electronic specific heat coefficient, γ ~ 15 mJ/mol K2. Yb is divalent and basically non-moment-bearing in YbMg2Cu9. Ce is trivalent in CeMg2Cu9 with two magnetic transitions being observed at 2.1 K and 1.5 K. PrMg2Cu9 does not exhibit any magnetic phase transition down to 0.5 K. The other members being studied (R = Nd, Gd-Dy) all exhibit antiferromagnetic transitions at low temperatures ranging from 3.2 K for NdMg2Cu9 to 11.9 K for TbMg2Cu9. Whereas GdMg2Cu9 is isotropic in its paramagnetic state due to zero angular momentum (L = 0), all the other local-moment-bearing members manifest an anisotropic, planar magnetization in their paramagnetic states. To further study this planar anisotropy, detailed angular-dependent magnetization was carried out on magnetically diluted (Y0.99Tb0.01)Mg2Cu9 and (Y0.99Dy0.01)Mg2Cu9. Despite the strong, planar magnetization anisotropy, the in-plane magnetic anisotropy is weak and field-dependent. Finally, a set of crystal electric field parameters are proposed to explain the observed magnetic anisotropy.},
doi = {10.1103/PhysRevB.94.144434},
journal = {Physical Review B},
number = 14,
volume = 94,
place = {United States},
year = {2016},
month = {10}
}

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    Works referencing / citing this record:

    Fulde–Ferrell State in Spin–Orbit-Coupled Superconductor: Application to Dresselhaus SOC
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    New materials physics
    journal, November 2019