Asymmetry of electron and hole doping in YMnO3

Bas B  van Aken; Jan-Willem Bos; Robert A  de Groot; Thomas T M  Palstra

doi:10.1103/PhysRevB.63.125127

Asymmetry of electron and hole doping in YMnO3

Bas B van Aken, Jan-Willem Bos, Robert A de Groot, Thomas T M Palstra

School of Engineering & Physical Sciences

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

70 Citations (Scopus)

Abstract

We synthesized hexagonal YMnO3 doped with tetravalent Zr ions and studied the electronic and magnetic properties. Zr substitution creates a mixed Mn3+-Mn2+ system, instead of the conventional Mn3+-Mn4+ of colossal magnetoresistance manganites. The YMnO3 system displays a pronounced asymmetry for electron and hole doping. Hole doping results in a conducting state, whereas electron doping retains the insulating state. This asymmetry is a consequence of the crystal field splitting of the Mn ions in trigonal bipyramidal coordination.

Original language	English
Article number	125127
Number of pages	4
Journal	Physical Review B: Condensed Matter and Materials Physics
Volume	63
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.63.125127
Publication status	Published - 15 Mar 2001

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10.1103/PhysRevB.63.125127

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title = "Asymmetry of electron and hole doping in YMnO3",

abstract = "We synthesized hexagonal YMnO3 doped with tetravalent Zr ions and studied the electronic and magnetic properties. Zr substitution creates a mixed Mn3+-Mn2+ system, instead of the conventional Mn3+-Mn4+ of colossal magnetoresistance manganites. The YMnO3 system displays a pronounced asymmetry for electron and hole doping. Hole doping results in a conducting state, whereas electron doping retains the insulating state. This asymmetry is a consequence of the crystal field splitting of the Mn ions in trigonal bipyramidal coordination.",

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N2 - We synthesized hexagonal YMnO3 doped with tetravalent Zr ions and studied the electronic and magnetic properties. Zr substitution creates a mixed Mn3+-Mn2+ system, instead of the conventional Mn3+-Mn4+ of colossal magnetoresistance manganites. The YMnO3 system displays a pronounced asymmetry for electron and hole doping. Hole doping results in a conducting state, whereas electron doping retains the insulating state. This asymmetry is a consequence of the crystal field splitting of the Mn ions in trigonal bipyramidal coordination.

AB - We synthesized hexagonal YMnO3 doped with tetravalent Zr ions and studied the electronic and magnetic properties. Zr substitution creates a mixed Mn3+-Mn2+ system, instead of the conventional Mn3+-Mn4+ of colossal magnetoresistance manganites. The YMnO3 system displays a pronounced asymmetry for electron and hole doping. Hole doping results in a conducting state, whereas electron doping retains the insulating state. This asymmetry is a consequence of the crystal field splitting of the Mn ions in trigonal bipyramidal coordination.

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DO - 10.1103/PhysRevB.63.125127

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JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

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Asymmetry of electron and hole doping in YMnO3

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