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Title: Tuning the magnetic ground state of Ce 1 - x Yb x RhIn 5 by Yb valence fluctuations

Abstract

We characterize the properties of Ce1–x Ybx RhIn5 single crystals with 0 ≤ x ≤ 1 using measurements of powder x-ray diffraction, energy dispersive x-ray spectroscopy, electrical resistivity, magnetic susceptibility, specific heat, x-ray absorption near edge structure (XANES), and neutron diffraction. Here, the Yb valence v Yb , calculated from the magnetic susceptibility and measured using XANES, decreases from 3+ at x = 0 to ~2.1+ at xact = 0.2 , where xact is the measured Yb concentration. A transition from incommensurate to commensurate antiferromagnetism is observed in neutron diffraction measurements along Q = (0.5, 0.5, l) between 0.2 ≤ x act ≤ 0.27; this narrative is supported by specific-heat measurements in which a second robust feature appears at a temperature TI (TI < TN) for the same concentration range. Magnetic susceptibility measurements also reveal features which provide additional evidence of magneticordering. The results of this study suggest that the evolution of the Yb valence plays a critical role in tuning the magnetic ground state of Ce1–x Ybx RhIn5.

Authors:
 [1];  [2];  [2];  [3];  [4];  [4];  [5];  [6];  [7];  [2]
  1. Univ. of California, San Diego, La Jolla, CA (United States); Univ. of California, Berkeley, CA (United States)
  2. Univ. of California, San Diego, La Jolla, CA (United States)
  3. Univ. of California, San Diego, La Jolla, CA (United States); Central Washington Univ., Ellensburg, WA (United States)
  4. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  5. Rochester Inst. of Technology, Rochester, NY (United States); Univ. of Maryland, College Park, MD (United States)
  6. Univ. of California, San Diego, La Jolla, CA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  7. Univ. of California, Santa Cruz, CA (United States)
Publication Date:
Research Org.:
Univ. of California, San Diego, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; National Science Foundation (NSF)
OSTI Identifier:
1609540
Alternate Identifier(s):
OSTI ID: 1482425
Grant/Contract Number:  
FG02-04ER46105; DMR0802478; DMR1005568; DMR-1508249
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 98; Journal Issue: 19; 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; materials science; physics; Kondo effect; magnetic order; heavy-fermion systems; strongly correlated systems

Citation Formats

Jang, S., Pouse, N., Keiber, T., White, B. D., Disseler, S. M., Lynn, J. W., Collini, J. C., Janoschek, M., Bridges, F., and Maple, M. B. Tuning the magnetic ground state of Ce1-xYbxRhIn5 by Yb valence fluctuations. United States: N. p., 2018. Web. doi:10.1103/physrevb.98.195118.
Jang, S., Pouse, N., Keiber, T., White, B. D., Disseler, S. M., Lynn, J. W., Collini, J. C., Janoschek, M., Bridges, F., & Maple, M. B. Tuning the magnetic ground state of Ce1-xYbxRhIn5 by Yb valence fluctuations. United States. https://doi.org/10.1103/physrevb.98.195118
Jang, S., Pouse, N., Keiber, T., White, B. D., Disseler, S. M., Lynn, J. W., Collini, J. C., Janoschek, M., Bridges, F., and Maple, M. B. Fri . "Tuning the magnetic ground state of Ce1-xYbxRhIn5 by Yb valence fluctuations". United States. https://doi.org/10.1103/physrevb.98.195118. https://www.osti.gov/servlets/purl/1609540.
@article{osti_1609540,
title = {Tuning the magnetic ground state of Ce1-xYbxRhIn5 by Yb valence fluctuations},
author = {Jang, S. and Pouse, N. and Keiber, T. and White, B. D. and Disseler, S. M. and Lynn, J. W. and Collini, J. C. and Janoschek, M. and Bridges, F. and Maple, M. B.},
abstractNote = {We characterize the properties of Ce1–x Ybx RhIn5 single crystals with 0 ≤ x ≤ 1 using measurements of powder x-ray diffraction, energy dispersive x-ray spectroscopy, electrical resistivity, magnetic susceptibility, specific heat, x-ray absorption near edge structure (XANES), and neutron diffraction. Here, the Yb valence v Yb , calculated from the magnetic susceptibility and measured using XANES, decreases from 3+ at x = 0 to ~2.1+ at xact = 0.2 , where xact is the measured Yb concentration. A transition from incommensurate to commensurate antiferromagnetism is observed in neutron diffraction measurements along Q = (0.5, 0.5, l) between 0.2 ≤ x act ≤ 0.27; this narrative is supported by specific-heat measurements in which a second robust feature appears at a temperature TI (TI < TN) for the same concentration range. Magnetic susceptibility measurements also reveal features which provide additional evidence of magneticordering. The results of this study suggest that the evolution of the Yb valence plays a critical role in tuning the magnetic ground state of Ce1–x Ybx RhIn5.},
doi = {10.1103/physrevb.98.195118},
journal = {Physical Review B},
number = 19,
volume = 98,
place = {United States},
year = {Fri Nov 16 00:00:00 EST 2018},
month = {Fri Nov 16 00:00:00 EST 2018}
}

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