Distinct magnetic spectra in the hidden order and antiferromagnetic phases in
Abstract
We use neutron scattering to compare the magnetic excitations in the hidden order (HO) and antiferromagnetic (AFM) phases in URu2–xFexSi2 as a function of Fe concentration. The magnetic excitation spectra change significantly between x=0.05 and x=0.10, following the enhancement of the AFM ordered moment, in good analogy to the behavior of the parent compound under applied pressure. Prominent lattice-commensurate low-energy excitations characteristic of the HO phase vanish in the AFM phase. The magnetic scattering is dominated by strong excitations along the Brillouin zone edges, underscoring the important role of electron hybridization to both HO and AFM phases and the similarity of the underlying electronic structure. As a result, the stability of the AFM phase is correlated with enhanced local-itinerant electron hybridization.
- Authors:
-
- National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States)
- Univ. of California, San Diego, CA (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
- Publication Date:
- Research Org.:
- Univ. of California, San Diego, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1418497
- Alternate Identifier(s):
- OSTI ID: 1331032; OSTI ID: 1420287
- Report Number(s):
- LLNL-JRNL-736530
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1801283
- Grant/Contract Number:
- FG02-04ER46105; DMR1206553; AC52-07NA27344
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 94; Journal Issue: 20; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Butch, Nicholas P., Ran, Sheng, Jeon, Inho, Kanchanavatee, Noravee, Huang, Kevin, Breindel, Alexander, Maple, M. Brian, Stillwell, Ryan L., Zhao, Yang, Harriger, Leland, and Lynn, Jeffrey W. Distinct magnetic spectra in the hidden order and antiferromagnetic phases in URu2-xFexSi2. United States: N. p., 2016.
Web. doi:10.1103/PhysRevB.94.201102.
Butch, Nicholas P., Ran, Sheng, Jeon, Inho, Kanchanavatee, Noravee, Huang, Kevin, Breindel, Alexander, Maple, M. Brian, Stillwell, Ryan L., Zhao, Yang, Harriger, Leland, & Lynn, Jeffrey W. Distinct magnetic spectra in the hidden order and antiferromagnetic phases in URu2-xFexSi2. United States. https://doi.org/10.1103/PhysRevB.94.201102
Butch, Nicholas P., Ran, Sheng, Jeon, Inho, Kanchanavatee, Noravee, Huang, Kevin, Breindel, Alexander, Maple, M. Brian, Stillwell, Ryan L., Zhao, Yang, Harriger, Leland, and Lynn, Jeffrey W. 2016.
"Distinct magnetic spectra in the hidden order and antiferromagnetic phases in URu2-xFexSi2". United States. https://doi.org/10.1103/PhysRevB.94.201102. https://www.osti.gov/servlets/purl/1418497.
@article{osti_1418497,
title = {Distinct magnetic spectra in the hidden order and antiferromagnetic phases in URu2-xFexSi2},
author = {Butch, Nicholas P. and Ran, Sheng and Jeon, Inho and Kanchanavatee, Noravee and Huang, Kevin and Breindel, Alexander and Maple, M. Brian and Stillwell, Ryan L. and Zhao, Yang and Harriger, Leland and Lynn, Jeffrey W.},
abstractNote = {We use neutron scattering to compare the magnetic excitations in the hidden order (HO) and antiferromagnetic (AFM) phases in URu2–xFexSi2 as a function of Fe concentration. The magnetic excitation spectra change significantly between x=0.05 and x=0.10, following the enhancement of the AFM ordered moment, in good analogy to the behavior of the parent compound under applied pressure. Prominent lattice-commensurate low-energy excitations characteristic of the HO phase vanish in the AFM phase. The magnetic scattering is dominated by strong excitations along the Brillouin zone edges, underscoring the important role of electron hybridization to both HO and AFM phases and the similarity of the underlying electronic structure. As a result, the stability of the AFM phase is correlated with enhanced local-itinerant electron hybridization.},
doi = {10.1103/PhysRevB.94.201102},
url = {https://www.osti.gov/biblio/1418497},
journal = {Physical Review B},
issn = {2469-9950},
number = 20,
volume = 94,
place = {United States},
year = {Mon Nov 07 00:00:00 EST 2016},
month = {Mon Nov 07 00:00:00 EST 2016}
}
Web of Science
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