Second-order nature of the spin-reorientation phase transition in SmCrO3

G. Gorodetsky; R. M. Hornreich; S. Shaft; B. Sharon; A. Shaulov; B. M. Wanklyn

doi:10.1103/PhysRevB.16.515

Second-order nature of the spin-reorientation phase transition in SmCrO3

G. Gorodetsky, R. M. Hornreich, S. Shaft, B. Sharon, A. Shaulov, B. M. Wanklyn

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

The spin-reorientation phase transition in SmCrO3 at T33°K is studied using acoustic-velocity and specific-heat measurements. Although the reorientation occurs within a narrow temperature region (1°K) the acoustic data show clearly that the process is a continuous one, involving two second-order phase transitions. All the observed effects, including those induced by externally applied magnetic fields are satisfactorily accounted for using a phenomenological model with magnetoelastic coupling terms. The thermal anomaly associated with the spin reorientation is also observed and used to calculate the uniaxial energy of the chrome spin system.

Original language	English
Pages (from-to)	515-521
Number of pages	7
Journal	Physical Review B
Volume	16
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.16.515
State	Published - 1977
Externally published	Yes

Bibliographical note

Funding Information:
Supported in part by a grant from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel.

Funding

Supported in part by a grant from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel.

Funders	Funder number
United States-Israel Binational Science Foundation

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10.1103/PhysRevB.16.515

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abstract = "The spin-reorientation phase transition in SmCrO3 at T33°K is studied using acoustic-velocity and specific-heat measurements. Although the reorientation occurs within a narrow temperature region (1°K) the acoustic data show clearly that the process is a continuous one, involving two second-order phase transitions. All the observed effects, including those induced by externally applied magnetic fields are satisfactorily accounted for using a phenomenological model with magnetoelastic coupling terms. The thermal anomaly associated with the spin reorientation is also observed and used to calculate the uniaxial energy of the chrome spin system.",

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AU - Hornreich, R. M.

AU - Shaft, S.

AU - Sharon, B.

AU - Shaulov, A.

AU - Wanklyn, B. M.

N1 - Funding Information: Supported in part by a grant from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel.

PY - 1977

Y1 - 1977

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AB - The spin-reorientation phase transition in SmCrO3 at T33°K is studied using acoustic-velocity and specific-heat measurements. Although the reorientation occurs within a narrow temperature region (1°K) the acoustic data show clearly that the process is a continuous one, involving two second-order phase transitions. All the observed effects, including those induced by externally applied magnetic fields are satisfactorily accounted for using a phenomenological model with magnetoelastic coupling terms. The thermal anomaly associated with the spin reorientation is also observed and used to calculate the uniaxial energy of the chrome spin system.

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Second-order nature of the spin-reorientation phase transition in SmCrO3

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