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Title: Magnetic-field effects on the fragile antiferromagnetism in YbBiPt

Abstract

We introduce neutron-diffraction data for the cubic-heavy-fermion YbBiPt that show broad magnetic diffraction peaks due to the fragile short-range antiferromagnetic (AFM) order persist under an applied magnetic-field H. Our results for H⊥ [$$\overline{1}10$$] and a temperature of T = 0.14 (1) K reflect that the ($$\frac{1}{2}$$, $$\frac{1}{2}$$, $$\frac{3}{2}$$) magnetic diffraction peak can be described by the same two-peak line shape found for μ 0 H = 0 T below the Néel temperature of T N = 0.4 K . Both components of the peak exist for μ 0 H ≲ 1.4 T , which is well past the AFM phase boundary determined from our new resistivity data. Using neutron-diffraction data taken at T = 0.13(2) K for H ∥ [001] or [110] , we show that domains of short-range AFM order change size throughout the previously determined AFM and non-Fermi liquid regions of the phase diagram, and that the appearance of a magnetic diffraction peak at ($$\frac{1}{2}$$, $$\frac{1}{2}$$, $$\frac{1}{2}$$) at μ 0 H ≈ 0.4 T signals canting of the ordered magnetic moment away from [111] . The continued broadness of the magnetic diffraction peaks under a magnetic field and their persistence across the AFM phase boundary established by detailedmore » transport and thermodynamic experiments present an interesting quandary concerning the nature of YbBiPt's electronic ground state.« less

Authors:
 [1];  [1];  [2];  [3];  [3];  [3];  [4];  [4];  [4];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Ames Lab. and Iowa State Univ., Ames, IA (United States)
  2. Ames Lab. and Iowa State Univ., Ames, IA (United States); Simon Fraser Univ., Burnaby, BC (Canada)
  3. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  4. Helmholtz-Zentrum Berlin (HZB), (Germany)
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1526287
Alternate Identifier(s):
OSTI ID: 1515566
Report Number(s):
IS-J-9945
Journal ID: ISSN 2469-9950; PRBMDO
Grant/Contract Number:  
AC02-07CH11358; GBMF4411
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 99; Journal Issue: 18; 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; 36 MATERIALS SCIENCE

Citation Formats

Ueland, B. G., Kreyssig, A., Mun, E. D., Lynn, J. W., Harriger, L. W., Pratt, D. K., Prokeš, K., Hüsges, Z., Toft-Petersen, R., Sauerbrei, S., Saunders, S. M., Furukawa, Y., Bud'ko, S. L., McQueeney, R. J., Canfield, P. C., and Goldman, A. I. Magnetic-field effects on the fragile antiferromagnetism in YbBiPt. United States: N. p., 2019. Web. doi:10.1103/PhysRevB.99.184431.
Ueland, B. G., Kreyssig, A., Mun, E. D., Lynn, J. W., Harriger, L. W., Pratt, D. K., Prokeš, K., Hüsges, Z., Toft-Petersen, R., Sauerbrei, S., Saunders, S. M., Furukawa, Y., Bud'ko, S. L., McQueeney, R. J., Canfield, P. C., & Goldman, A. I. Magnetic-field effects on the fragile antiferromagnetism in YbBiPt. United States. https://doi.org/10.1103/PhysRevB.99.184431
Ueland, B. G., Kreyssig, A., Mun, E. D., Lynn, J. W., Harriger, L. W., Pratt, D. K., Prokeš, K., Hüsges, Z., Toft-Petersen, R., Sauerbrei, S., Saunders, S. M., Furukawa, Y., Bud'ko, S. L., McQueeney, R. J., Canfield, P. C., and Goldman, A. I. Thu . "Magnetic-field effects on the fragile antiferromagnetism in YbBiPt". United States. https://doi.org/10.1103/PhysRevB.99.184431. https://www.osti.gov/servlets/purl/1526287.
@article{osti_1526287,
title = {Magnetic-field effects on the fragile antiferromagnetism in YbBiPt},
author = {Ueland, B. G. and Kreyssig, A. and Mun, E. D. and Lynn, J. W. and Harriger, L. W. and Pratt, D. K. and Prokeš, K. and Hüsges, Z. and Toft-Petersen, R. and Sauerbrei, S. and Saunders, S. M. and Furukawa, Y. and Bud'ko, S. L. and McQueeney, R. J. and Canfield, P. C. and Goldman, A. I.},
abstractNote = {We introduce neutron-diffraction data for the cubic-heavy-fermion YbBiPt that show broad magnetic diffraction peaks due to the fragile short-range antiferromagnetic (AFM) order persist under an applied magnetic-field H. Our results for H⊥ [$\overline{1}10$] and a temperature of T = 0.14 (1) K reflect that the ($\frac{1}{2}$, $\frac{1}{2}$, $\frac{3}{2}$) magnetic diffraction peak can be described by the same two-peak line shape found for μ0H = 0 T below the Néel temperature of TN = 0.4 K . Both components of the peak exist for μ0H ≲ 1.4 T , which is well past the AFM phase boundary determined from our new resistivity data. Using neutron-diffraction data taken at T = 0.13(2) K for H ∥ [001] or [110] , we show that domains of short-range AFM order change size throughout the previously determined AFM and non-Fermi liquid regions of the phase diagram, and that the appearance of a magnetic diffraction peak at ($\frac{1}{2}$, $\frac{1}{2}$, $\frac{1}{2}$) at μ0H ≈ 0.4 T signals canting of the ordered magnetic moment away from [111] . The continued broadness of the magnetic diffraction peaks under a magnetic field and their persistence across the AFM phase boundary established by detailed transport and thermodynamic experiments present an interesting quandary concerning the nature of YbBiPt's electronic ground state.},
doi = {10.1103/PhysRevB.99.184431},
url = {https://www.osti.gov/biblio/1526287}, journal = {Physical Review B},
issn = {2469-9950},
number = 18,
volume = 99,
place = {United States},
year = {2019},
month = {5}
}

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