Orbital-Order-Induced Metal-Insulator Transition in [Formula presented]

Bas B. Van Aken; Oana D. Jurchescu; Auke Meetsma; Y. Tomioka; Y. Tokura; Thomas T.M. Palstra

doi:10.1103/PhysRevLett.90.066403

Orbital-Order-Induced Metal-Insulator Transition in [Formula presented]

Bas B. Van Aken, Oana D. Jurchescu, Auke Meetsma, Y. Tomioka, Y. Tokura, Thomas T.M. Palstra^*

^*Corresponding author for this work

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

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Abstract

We present evidence that the insulator-to-metal transition in [Formula presented] near [Formula presented] is driven by the suppression of coherent Jahn-Teller distortions, originating from [Formula presented]-type orbital ordering. The orbital-ordered state is characterized by large long-range [Formula presented] distortions below [Formula presented]. Above [Formula presented] we find evidence for coexistence between an orbital-ordered and an orbital-disordered state. This behavior is discussed in terms of electronic phase separation in an orbital-ordered insulating and an orbital-disordered metallic state.

Original language	English
Article number	066403
Number of pages	1
Journal	Physical review letters
Volume	90
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.90.066403
Publication status	Published - 1 Jan 2003
Externally published	Yes

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title = "Orbital-Order-Induced Metal-Insulator Transition in [Formula presented]",

abstract = "We present evidence that the insulator-to-metal transition in [Formula presented] near [Formula presented] is driven by the suppression of coherent Jahn-Teller distortions, originating from [Formula presented]-type orbital ordering. The orbital-ordered state is characterized by large long-range [Formula presented] distortions below [Formula presented]. Above [Formula presented] we find evidence for coexistence between an orbital-ordered and an orbital-disordered state. This behavior is discussed in terms of electronic phase separation in an orbital-ordered insulating and an orbital-disordered metallic state.",

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AU - Van Aken, Bas B.

AU - Jurchescu, Oana D.

AU - Meetsma, Auke

AU - Tomioka, Y.

AU - Tokura, Y.

AU - Palstra, Thomas T.M.

PY - 2003/1/1

Y1 - 2003/1/1

N2 - We present evidence that the insulator-to-metal transition in [Formula presented] near [Formula presented] is driven by the suppression of coherent Jahn-Teller distortions, originating from [Formula presented]-type orbital ordering. The orbital-ordered state is characterized by large long-range [Formula presented] distortions below [Formula presented]. Above [Formula presented] we find evidence for coexistence between an orbital-ordered and an orbital-disordered state. This behavior is discussed in terms of electronic phase separation in an orbital-ordered insulating and an orbital-disordered metallic state.

AB - We present evidence that the insulator-to-metal transition in [Formula presented] near [Formula presented] is driven by the suppression of coherent Jahn-Teller distortions, originating from [Formula presented]-type orbital ordering. The orbital-ordered state is characterized by large long-range [Formula presented] distortions below [Formula presented]. Above [Formula presented] we find evidence for coexistence between an orbital-ordered and an orbital-disordered state. This behavior is discussed in terms of electronic phase separation in an orbital-ordered insulating and an orbital-disordered metallic state.

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JO - Physical review letters

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ER -

Orbital-Order-Induced Metal-Insulator Transition in [Formula presented]

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