Physical Review B, volume 102, issue 21, publication number 214416
NMR study of magnetic structure and hyperfine interactions in the binary helimagnet FeP
GIPPIUS A. A.
1
,
Tkachev A. V.
2
,
Zhurenko S. V.
2
,
Mahajan A.R.
3
,
Büttgen N.
4
,
Schaedler M.
4
,
Chernyavskii I. O.
5
,
MOROZOV I. V.
5
,
Morozov I. B.
5
,
Aswartham S.
6
,
Büchner B.
6
,
Moskvin Alexander
7
1
4
Experimental Physics V, University of Augsburg, 86159, Augsburg, Germany
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Publication type: Journal Article
Publication date: 2020-12-14
Journal:
Physical Review B
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Abstract
We report a detailed study of the ground state helical magnetic structure in monophosphide FeP by means of ${}^{31}$P NMR spectroscopy. We show that the zero-field NMR spectrum of the polycrystalline sample provides strong evidence of an anisotropic distribution of local magnetic fields at the P site with substantially lower anharmonicity than that found at the Fe site by M\"{o}ssbauer spectroscopy. From field-sweep ${}^{31}$P NMR spectra we conclude that a continuous spin-reorientation transition occurs in an external magnetic field range of 4 - 7 T, which is also confirmed by specific-heat measurements. We observe two pairs of magnetically inequivalent phosphorus positions resulting in a pronounced four-peak structure of the single crystal ${}^{31}$P NMR spectra characteristic of an incommensurate helimagnetic ground state. We revealed a spatial redistribution of local fields at the P sites caused by Fe spin-reorientation transition in high fields and developed an effective approach to account for it. We demonstrate that all observed ${}^{31}$P spectra can be treated within a model of an isotropic helix of Fe magnetic moments in the ($ab$)-plane with a phase shift of 36$^{\circ}$ and 176$^{\circ}$ between Fe1-Fe3 (Fe2-Fe4) and Fe1-Fe2 (Fe3-Fe4) sites, respectively, in accordance with the neutron scattering data.
Citations by journals
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Physical Review B
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Physical Review B
1 publication, 100%
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Citations by publishers
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American Physical Society (APS)
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American Physical Society (APS)
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GIPPIUS A. A. et al. NMR study of magnetic structure and hyperfine interactions in the binary helimagnet FeP // Physical Review B. 2020. Vol. 102. No. 21. 214416
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GIPPIUS A. A., Tkachev A. V., Zhurenko S. V., Mahajan A., Büttgen N., Schaedler M., Chernyavskii I. O., MOROZOV I. V., Morozov I. B., Aswartham S., Büchner B., Moskvin A. NMR study of magnetic structure and hyperfine interactions in the binary helimagnet FeP // Physical Review B. 2020. Vol. 102. No. 21. 214416
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TY - JOUR
DO - 10.1103/physrevb.102.214416
UR - https://doi.org/10.1103%2Fphysrevb.102.214416
TI - NMR study of magnetic structure and hyperfine interactions in the binary helimagnet FeP
T2 - Physical Review B
AU - GIPPIUS, A. A.
AU - Tkachev, A. V.
AU - Zhurenko, S. V.
AU - Mahajan, A.R.
AU - Büttgen, N.
AU - Schaedler, M.
AU - Chernyavskii, I. O.
AU - MOROZOV, I. V.
AU - Aswartham, S.
AU - Büchner, B.
AU - Moskvin, Alexander
AU - Morozov, I. B.
PY - 2020
DA - 2020/12/14 00:00:00
PB - American Physical Society (APS)
IS - 21
VL - 102
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
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@article{2020_GIPPIUS,
author = {A. A. GIPPIUS and A. V. Tkachev and S. V. Zhurenko and A.R. Mahajan and N. Büttgen and M. Schaedler and I. O. Chernyavskii and I. V. MOROZOV and S. Aswartham and B. Büchner and Alexander Moskvin and I. B. Morozov},
title = {NMR study of magnetic structure and hyperfine interactions in the binary helimagnet FeP},
journal = {Physical Review B},
year = {2020},
volume = {102},
publisher = {American Physical Society (APS)},
month = {dec},
url = {https://doi.org/10.1103%2Fphysrevb.102.214416},
number = {21},
doi = {10.1103/physrevb.102.214416}
}