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New Lutetium Oxide: Electrically Conducting Rock-Salt LuO Epitaxial Thin Film.

ABSTRACT: C-rare earth structure lutetium sesquioxide Lu2O3 has been recognized as a high-k widegap insulator with closed shell Lu3+ ions. In this study, rock-salt structure lutetium monoxide LuO with unusual valence of Lu2+ (4f145d1), previously known as the gaseous phase, was synthesized as an epitaxial thin film by the pulsed laser deposition method. In contrast with transparent and highly insulating Lu2O3, LuO possessed a dark-brown color and high electrical conductivity concomitant with strong spin-orbit coupling as a manifestation of Lu 5d electron carriers.

SUBMITTER: Kaminaga K

PROVIDER: S-EPMC6644888 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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New Lutetium Oxide: Electrically Conducting Rock-Salt LuO Epitaxial Thin Film.

Kaminaga Kenichi K Oka Daichi D Hasegawa Tetsuya T Fukumura Tomoteru T

ACS omega 20181003 10

C-rare earth structure lutetium sesquioxide Lu2O3 has been recognized as a high-k widegap insulator with closed shell Lu3+ ions. In this study, rock-salt structure lutetium monoxide LuO with unusual valence of Lu2+ (4f145d1), previously known as the gaseous phase, was synthesized as an epitaxial thin film by the pulsed laser deposition method. In contrast with transparent and highly insulating Lu2O3, L ...[more]

PMID: 31457982

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