First-order spin reorientation transition and specific-heat anomaly in CeFeO3

S. J. Yuan; Y. M. Cao; L. Li; T. F. Qi; S. X. Cao; J. C. Zhang; L. E. Delong; G. Cao

doi:10.1063/1.4821516

First-order spin reorientation transition and specific-heat anomaly in CeFeO₃

S. J. Yuan
, Y. M. Cao
, L. Li
, T. F. Qi
, S. X. Cao
, J. C. Zhang
, L. E. Delong
, G. Cao

Physics And Astronomy

Producción científica: Article › revisión exhaustiva

66 Citas (Scopus)

Resumen

We report the successful synthesis of single-phase polycrystalline CeFeO₃, and a thorough study of its magnetic and thermal properties. An abrupt spin reorientation transition occurs at T=240K, indicating a first-order phase transition from Γ₄ (G_x, A _y, F_z) to Γ₁ (A_x, G _y, C_z). A distinct thermal anomaly in the specific heat due to spin reorientation has been detected, with the onset and completion of the spin reorientation at 240K and 220K, respectively. The low-temperature specific heat exhibits a Schottky anomaly caused by paramagnetic Ce ³⁺. The very-low-temperature specific heat increases with increasing the applied magnetic field, suggesting an antiferromagnetic transition of Ce³⁺ exists below T=1.8K.

Idioma original	English
Número de artículo	113909
Publicación	Journal of Applied Physics
Volumen	114
N.º	11
DOI	https://doi.org/10.1063/1.4821516
Estado	Published - sept 21 2013

Nota bibliográfica

Funding Information:
This work was supported by the National Natural Science Foundation of China (NSFC, Nos. 11274221, 50932003, 11074163), and the Research Innovation Fund of the Shanghai Education Committee (No. 12YZ018). S.J.Y. and G.C. acknowledge NSF support through Grants DMR-0856234, EPS-0814194, and DMR-1265162. L.E.D. was supported by US DoE Grant No. DE-FG02-97ER45653.

Financiación

This work was supported by the National Natural Science Foundation of China (NSFC, Nos. 11274221, 50932003, 11074163), and the Research Innovation Fund of the Shanghai Education Committee (No. 12YZ018). S.J.Y. and G.C. acknowledge NSF support through Grants DMR-0856234, EPS-0814194, and DMR-1265162. L.E.D. was supported by US DoE Grant No. DE-FG02-97ER45653.

Financiadores	Número del financiador
Shanghai Education Committee	12YZ018
National Science Foundation (NSF)	DMR-0856234, DMR-1265162, EPS-0814194
Michigan State University-U.S. Department of Energy (MSU-DOE) Plant Research Laboratory	DE-FG02-97ER45653
National Natural Science Foundation of China (NSFC)	11074163, 50932003, 11274221

ASJC Scopus subject areas

General Physics and Astronomy

Acceder al documento

10.1063/1.4821516

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title = "First-order spin reorientation transition and specific-heat anomaly in CeFeO3",

abstract = "We report the successful synthesis of single-phase polycrystalline CeFeO3, and a thorough study of its magnetic and thermal properties. An abrupt spin reorientation transition occurs at T=240K, indicating a first-order phase transition from Γ4 (Gx, A y, Fz) to Γ1 (Ax, G y, Cz). A distinct thermal anomaly in the specific heat due to spin reorientation has been detected, with the onset and completion of the spin reorientation at 240K and 220K, respectively. The low-temperature specific heat exhibits a Schottky anomaly caused by paramagnetic Ce 3+. The very-low-temperature specific heat increases with increasing the applied magnetic field, suggesting an antiferromagnetic transition of Ce3+ exists below T=1.8K.",

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note = "Funding Information: This work was supported by the National Natural Science Foundation of China (NSFC, Nos. 11274221, 50932003, 11074163), and the Research Innovation Fund of the Shanghai Education Committee (No. 12YZ018). S.J.Y. and G.C. acknowledge NSF support through Grants DMR-0856234, EPS-0814194, and DMR-1265162. L.E.D. was supported by US DoE Grant No. DE-FG02-97ER45653.",

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AU - Cao, Y. M.

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AU - Qi, T. F.

AU - Cao, S. X.

AU - Zhang, J. C.

AU - Delong, L. E.

AU - Cao, G.

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PY - 2013/9/21

Y1 - 2013/9/21

N2 - We report the successful synthesis of single-phase polycrystalline CeFeO3, and a thorough study of its magnetic and thermal properties. An abrupt spin reorientation transition occurs at T=240K, indicating a first-order phase transition from Γ4 (Gx, A y, Fz) to Γ1 (Ax, G y, Cz). A distinct thermal anomaly in the specific heat due to spin reorientation has been detected, with the onset and completion of the spin reorientation at 240K and 220K, respectively. The low-temperature specific heat exhibits a Schottky anomaly caused by paramagnetic Ce 3+. The very-low-temperature specific heat increases with increasing the applied magnetic field, suggesting an antiferromagnetic transition of Ce3+ exists below T=1.8K.

AB - We report the successful synthesis of single-phase polycrystalline CeFeO3, and a thorough study of its magnetic and thermal properties. An abrupt spin reorientation transition occurs at T=240K, indicating a first-order phase transition from Γ4 (Gx, A y, Fz) to Γ1 (Ax, G y, Cz). A distinct thermal anomaly in the specific heat due to spin reorientation has been detected, with the onset and completion of the spin reorientation at 240K and 220K, respectively. The low-temperature specific heat exhibits a Schottky anomaly caused by paramagnetic Ce 3+. The very-low-temperature specific heat increases with increasing the applied magnetic field, suggesting an antiferromagnetic transition of Ce3+ exists below T=1.8K.

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