Tetragonal magnetic phase in from x-ray and neutron diffraction
Abstract
In this paper, combined neutron and x-ray diffraction experiments demonstrate the formation of a low-temperature minority magnetic tetragonal phase in Ba0.76K0.24Fe2As2 in addition to the majority magnetic, orthorhombic phase. The coincident enhancement in the magnetic (1/2 1/2 1) peaks shows that this minority phase is of the same type that was observed in Ba1-xNaxFe2As2 (0.24 ≤ x ≤ 0.28), in which the magnetic moments reorient along the c axis. This is evidence that the tetragonal magnetic phase is a universal feature of the hole-doped iron-based superconductors. Finally, the observations suggest that in this regime the energy levels of the C2 and C4 symmetric magnetic phases are very close.
- Authors:
-
- Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
- Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Afyon Kocatepe Univ., Afyon (Turkey). Dept. of Materials Science and Engineering
- Rutherford Appleton Lab., Didcot (United Kingdom). ISIS Pulsed Neutron and Muon Source
- Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Northern Illinois Univ., DeKalb, IL (United States). Physics Dept.
- Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Northwestern Univ., Evanston, IL (United States). Dept. of Chemistry
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States); Rutherford Appleton Lab., Didcot (United Kingdom)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Science and Technology Facilities Council (STFC) (United Kingdom)
- Contributing Org.:
- Northwestern Univ., Evanston, IL (United States); Northern Illinois Univ., DeKalb, IL (United States); Afyon Kocatepe Univ., Afyon (Turkey)
- OSTI Identifier:
- 1356619
- Alternate Identifier(s):
- OSTI ID: 1222240
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. B, Condensed Matter and Materials Physics
- Additional Journal Information:
- Journal Volume: 92; Journal Issue: 9; Journal ID: ISSN 1098-0121
- 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
Allred, J. M., Avci, S., Chung, D. Y., Claus, H., Khalyavin, D. D., Manuel, P., Taddei, K. M., Kanatzidis, M. G., Rosenkranz, S., Osborn, R., and Chmaissem, O. Tetragonal magnetic phase in Ba1-xKxFe2As2 from x-ray and neutron diffraction. United States: N. p., 2015.
Web. doi:10.1103/PhysRevB.92.094515.
Allred, J. M., Avci, S., Chung, D. Y., Claus, H., Khalyavin, D. D., Manuel, P., Taddei, K. M., Kanatzidis, M. G., Rosenkranz, S., Osborn, R., & Chmaissem, O. Tetragonal magnetic phase in Ba1-xKxFe2As2 from x-ray and neutron diffraction. United States. https://doi.org/10.1103/PhysRevB.92.094515
Allred, J. M., Avci, S., Chung, D. Y., Claus, H., Khalyavin, D. D., Manuel, P., Taddei, K. M., Kanatzidis, M. G., Rosenkranz, S., Osborn, R., and Chmaissem, O. Mon .
"Tetragonal magnetic phase in Ba1-xKxFe2As2 from x-ray and neutron diffraction". United States. https://doi.org/10.1103/PhysRevB.92.094515. https://www.osti.gov/servlets/purl/1356619.
@article{osti_1356619,
title = {Tetragonal magnetic phase in Ba1-xKxFe2As2 from x-ray and neutron diffraction},
author = {Allred, J. M. and Avci, S. and Chung, D. Y. and Claus, H. and Khalyavin, D. D. and Manuel, P. and Taddei, K. M. and Kanatzidis, M. G. and Rosenkranz, S. and Osborn, R. and Chmaissem, O.},
abstractNote = {In this paper, combined neutron and x-ray diffraction experiments demonstrate the formation of a low-temperature minority magnetic tetragonal phase in Ba0.76K0.24Fe2As2 in addition to the majority magnetic, orthorhombic phase. The coincident enhancement in the magnetic (1/2 1/2 1) peaks shows that this minority phase is of the same type that was observed in Ba1-xNaxFe2As2 (0.24 ≤ x ≤ 0.28), in which the magnetic moments reorient along the c axis. This is evidence that the tetragonal magnetic phase is a universal feature of the hole-doped iron-based superconductors. Finally, the observations suggest that in this regime the energy levels of the C2 and C4 symmetric magnetic phases are very close.},
doi = {10.1103/PhysRevB.92.094515},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 9,
volume = 92,
place = {United States},
year = {Mon Sep 28 00:00:00 EDT 2015},
month = {Mon Sep 28 00:00:00 EDT 2015}
}
Web of Science
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