Dimensionality-Controlled Insulator-Metal Transition and Correlated Metallic State in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>5</mml:mn><mml:mi>d</mml:mi></mml:math>Transition Metal Oxides<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>Sr</mml:mi><mml:mrow><mml:mi>n</mml:mi><mml:mo>+</mml:mo><mml:mn>1</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>Ir</mml:mi><mml:mi>n</mml:mi></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mrow><mml:mn>3</mml:mn><mml:mi>n</mml:mi><mml:mo>+</mml:mo><mml:mn>1</mml:mn></mml:mrow></mml:msub></mml:math>(<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>n</mml:mi><mml:mo>=</mml:mo><mml:mn>1</mml:mn></mml:math>, 2, and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mo>∞</mml:mo></mml:math>)

J. Moon, S.; Jin, Hyo‐Eon; W. Kim, K.; Seok Choi, Woo; S. Lee, Y.; Yu, Jaejun; Cao, Gang; Sumi, Akihiro; Funakubo, Hiroshi; Bernhard, C.; Won Noh, Tae

doi:10.1103/physrevlett.101.226402

Public

Dimensionality-Controlled Insulator-Metal Transition and Correlated Metallic State in5dTransition Metal OxidesSrn+1IrnO3n+1(n=1, 2, and∞)

Published in Physical Review Letters • Nov 24, 2008

Authors:

S. J. Moon

Hyo‐Eon Jin

K. W. Kim

Abstract

We investigated the electronic structures of the 5d Ruddlesden-Popper series Sr n+1Ir nO3n+1 (n=1, 2, and infinity) using optical spectroscopy and first-principles calculations. As 5d orbitals are spatially more extended than 3d or 4d orbitals, it has been widely accepted that correlation effects ar...

Subject

Atomic orbital

Metal

Spectroscopy

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