Spin reorientation and magnetoelastic properties of ferromagnetic systems with a morphotropic phase boundary
Abstract
The spin reorientation (SR) and magnetoelastic properties of pseudobinary ferromagnetic Tb 1–xNd xCo 2 (0 ≤ x ≤ 1.0) systems involving a morphotropic phase boundary (MPB) were studied by high-resolution synchrotron x-ray diffraction (XRD), magnetization, and magnetostriction measurements. The easy magnetization direction of the Laves phase lies along the < 111 > axis with x < 0.65, whereas it lies along the < 100 > axis for x > 0.65 below Curie temperature (TC). The temperature-dependent magnetization curves showed SR; this can be explained by a two-sublattice model. Based on the synchrotron (XRD) and magnetization measurements, the SR phase diagram for a MPB composition of Tb 0.35Nd 0.65Co 2 was obtained. Contrary to previously reported ferromagnetic systems involving MPB, the MPB composition of Tb 0.35Nd 0.65Co 2 exhibits a low saturation magnetization (MS), indicating a compensation of the Tb and Nd magnetic moments at MPB. The anisotropic magnetostriction (λS) first decreased until x = 0.8 and then continuously increased in the negative direction with further increase of Nd concentration. The decrease in magnetostriction can be attributed to the decrease of spontaneous magnetostriction λ 111 and increase of λ 100 with opposite sign to λ 111. In conclusion, this paper indicatesmore »
- Authors:
-
- Xi'an Jiaotong Univ., Xi'an (China)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- National Natural Science Foundation of China (NNSFC); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
- OSTI Identifier:
- 1481168
- Alternate Identifier(s):
- OSTI ID: 1426330
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 97; Journal Issue: 10; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Murtaza, Adil, Yang, Sen, Chang, Tieyan, Ghani, Awais, Khan, Muhammad Tahir, Zhang, Rui, Zhou, Chao, Song, Xiaoping, Suchomel, Matthew, and Ren, Yang. Spin reorientation and magnetoelastic properties of ferromagnetic Tb1-xNdxCo2 systems with a morphotropic phase boundary. United States: N. p., 2018.
Web. doi:10.1103/PhysRevB.97.104410.
Murtaza, Adil, Yang, Sen, Chang, Tieyan, Ghani, Awais, Khan, Muhammad Tahir, Zhang, Rui, Zhou, Chao, Song, Xiaoping, Suchomel, Matthew, & Ren, Yang. Spin reorientation and magnetoelastic properties of ferromagnetic Tb1-xNdxCo2 systems with a morphotropic phase boundary. United States. https://doi.org/10.1103/PhysRevB.97.104410
Murtaza, Adil, Yang, Sen, Chang, Tieyan, Ghani, Awais, Khan, Muhammad Tahir, Zhang, Rui, Zhou, Chao, Song, Xiaoping, Suchomel, Matthew, and Ren, Yang. Thu .
"Spin reorientation and magnetoelastic properties of ferromagnetic Tb1-xNdxCo2 systems with a morphotropic phase boundary". United States. https://doi.org/10.1103/PhysRevB.97.104410. https://www.osti.gov/servlets/purl/1481168.
@article{osti_1481168,
title = {Spin reorientation and magnetoelastic properties of ferromagnetic Tb1-xNdxCo2 systems with a morphotropic phase boundary},
author = {Murtaza, Adil and Yang, Sen and Chang, Tieyan and Ghani, Awais and Khan, Muhammad Tahir and Zhang, Rui and Zhou, Chao and Song, Xiaoping and Suchomel, Matthew and Ren, Yang},
abstractNote = {The spin reorientation (SR) and magnetoelastic properties of pseudobinary ferromagnetic Tb1–xNdxCo2 (0 ≤ x ≤ 1.0) systems involving a morphotropic phase boundary (MPB) were studied by high-resolution synchrotron x-ray diffraction (XRD), magnetization, and magnetostriction measurements. The easy magnetization direction of the Laves phase lies along the < 111 > axis with x < 0.65, whereas it lies along the < 100 > axis for x > 0.65 below Curie temperature (TC). The temperature-dependent magnetization curves showed SR; this can be explained by a two-sublattice model. Based on the synchrotron (XRD) and magnetization measurements, the SR phase diagram for a MPB composition of Tb0.35Nd0.65Co2 was obtained. Contrary to previously reported ferromagnetic systems involving MPB, the MPB composition of Tb0.35Nd0.65Co2 exhibits a low saturation magnetization (MS), indicating a compensation of the Tb and Nd magnetic moments at MPB. The anisotropic magnetostriction (λS) first decreased until x = 0.8 and then continuously increased in the negative direction with further increase of Nd concentration. The decrease in magnetostriction can be attributed to the decrease of spontaneous magnetostriction λ111 and increase of λ100 with opposite sign to λ111. In conclusion, this paper indicates an anomalous type of MPB in the ferromagnetic Tb1–xNdxCo2 system and provides an active way to design novel functional materials with exotic properties.},
doi = {10.1103/PhysRevB.97.104410},
url = {https://www.osti.gov/biblio/1481168},
journal = {Physical Review B},
issn = {2469-9950},
number = 10,
volume = 97,
place = {United States},
year = {2018},
month = {3}
}
Web of Science
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