Fully ordered Sr 2CrReO 6 epitaxial films: A high-temperature ferrimagnetic semiconductor

A. J. Hauser; J. R. Soliz; M. Dixit; R. E. A. Williams; M. A. Susner; B. Peters; L. M. Mier; T. L. Gustafson; M. D. Sumption; H. L. Fraser; P. M. Woodward; F. Y. Yang

doi:10.1103/PhysRevB.85.161201

Fully ordered Sr ₂CrReO ₆ epitaxial films: A high-temperature ferrimagnetic semiconductor

A. J. Hauser, J. R. Soliz, M. Dixit, R. E. A. Williams, M. A. Susner, B. Peters, L. M. Mier, T. L. Gustafson, M. D. Sumption, H. L. Fraser, P. M. Woodward, F. Y. Yang

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

79 Citations (Scopus)

Abstract

We report growth of Sr ₂CrReO ₆ epitaxial films with 99% Cr/Re ordering and crystalline perfection comparable to those of high-quality semiconductor films. The Sr ₂CrReO ₆ films show a Curie temperature of 508 K and a saturation magnetization of 1.29 μ _B per formula unit, which confirms the presence of strong spin-orbit coupling. Unexpectedly, electrical transport and optical absorption measurements indicate that Sr ₂CrReO ₆ is a semiconductor with a band gap of 0.21 eV. The unique combination of high temperature ferrimagnetism and semiconductivity is both scientifically interesting and highly attractive for applications.

Original language	English
Article number	161201
Journal	Physical Review B
Volume	85
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.85.161201
Publication status	Published - 3 Apr 2012
Externally published	Yes

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title = "Fully ordered Sr 2CrReO 6 epitaxial films: A high-temperature ferrimagnetic semiconductor",

abstract = "We report growth of Sr 2CrReO 6 epitaxial films with 99% Cr/Re ordering and crystalline perfection comparable to those of high-quality semiconductor films. The Sr 2CrReO 6 films show a Curie temperature of 508 K and a saturation magnetization of 1.29 μ B per formula unit, which confirms the presence of strong spin-orbit coupling. Unexpectedly, electrical transport and optical absorption measurements indicate that Sr 2CrReO 6 is a semiconductor with a band gap of 0.21 eV. The unique combination of high temperature ferrimagnetism and semiconductivity is both scientifically interesting and highly attractive for applications.",

author = "Hauser, {A. J.} and Soliz, {J. R.} and M. Dixit and Williams, {R. E. A.} and Susner, {M. A.} and B. Peters and Mier, {L. M.} and Gustafson, {T. L.} and Sumption, {M. D.} and Fraser, {H. L.} and Woodward, {P. M.} and Yang, {F. Y.}",

year = "2012",

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doi = "10.1103/PhysRevB.85.161201",

language = "English",

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T1 - Fully ordered Sr 2CrReO 6 epitaxial films

T2 - A high-temperature ferrimagnetic semiconductor

AU - Hauser, A. J.

AU - Soliz, J. R.

AU - Dixit, M.

AU - Williams, R. E. A.

AU - Susner, M. A.

AU - Peters, B.

AU - Mier, L. M.

AU - Gustafson, T. L.

AU - Sumption, M. D.

AU - Fraser, H. L.

AU - Woodward, P. M.

AU - Yang, F. Y.

PY - 2012/4/3

Y1 - 2012/4/3

N2 - We report growth of Sr 2CrReO 6 epitaxial films with 99% Cr/Re ordering and crystalline perfection comparable to those of high-quality semiconductor films. The Sr 2CrReO 6 films show a Curie temperature of 508 K and a saturation magnetization of 1.29 μ B per formula unit, which confirms the presence of strong spin-orbit coupling. Unexpectedly, electrical transport and optical absorption measurements indicate that Sr 2CrReO 6 is a semiconductor with a band gap of 0.21 eV. The unique combination of high temperature ferrimagnetism and semiconductivity is both scientifically interesting and highly attractive for applications.

AB - We report growth of Sr 2CrReO 6 epitaxial films with 99% Cr/Re ordering and crystalline perfection comparable to those of high-quality semiconductor films. The Sr 2CrReO 6 films show a Curie temperature of 508 K and a saturation magnetization of 1.29 μ B per formula unit, which confirms the presence of strong spin-orbit coupling. Unexpectedly, electrical transport and optical absorption measurements indicate that Sr 2CrReO 6 is a semiconductor with a band gap of 0.21 eV. The unique combination of high temperature ferrimagnetism and semiconductivity is both scientifically interesting and highly attractive for applications.

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DO - 10.1103/PhysRevB.85.161201

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JO - Physical Review B

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Fully ordered Sr 2CrReO 6 epitaxial films: A high-temperature ferrimagnetic semiconductor

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Fully ordered Sr ₂CrReO ₆ epitaxial films: A high-temperature ferrimagnetic semiconductor