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most citedCorrelation Assisted Phonon Softenings and the Mott-Peierls Transition in VO

89 citations · 429 across the 22 of their papers we have counts for

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8 papers · 1 filter

cond-mat.str-el2025

Correlation Effects on Magnetic Structure and Lattice Dynamics of LaMnO: A First-Principles Study

Haeyoon Jung, Indukuru Ramesh Reddy, Bongjae Kim +2

LaMnO, a quadruple perovskite oxide (AA'BO-type), has attracted attention for its notable bifunctional activity in oxygen evolution and reduction reaction…

cond-mat.str-el2024★ 15 cited

Exploring the role of nonlocal Coulomb interactions in perovskite transition metal oxides

Indukuru Ramesh Reddy, Chang-Jong Kang, Sooran Kim +1

Employing the density functional theory incorporating on-site and inter-site Coulomb interactions (DFT+U+V), we have investigated the role of the nonlocal interactions on the elect…

cond-mat.str-el2021★ 8 cited

Lattice and Electronic properties of VO with the SCAN(+) approach

Sooran Kim

Appropriate consideration of the electron correlation is essential to reproduce the intriguing metal-insulator transition accompanying the Peierls-type structural transition in VO$…

cond-mat.str-el2018★ 18 cited

Emergence of Kondo resonance in graphene intercalated with cerium

Jinwoong Hwang, Kyoo Kim, Hyejin Ryu +11

The interaction between a magnetic impurity, such as cerium (Ce) atom, and surrounding electrons has been one of the core problems in understanding many-body interaction in solid a…

cond-mat.str-el2015

Honeycomb Charge Ordering in IrTe

Hyo Sung Kim, Soo-Ran Kim, Kyoo Kim +4

We report on the observation of a unique honeycomb charge ordering of the cleaved IrTe surface by high-resolution scanning tunneling microscopy (STM) and spectroscopy (STS). Ir…

cond-mat.str-el2014★ 50 cited

Termination-dependent Surface In-gap States in a Mixed-valent Topological Insulator: SmB

Junwon Kim, Kyoo Kim, Chang-Jong Kang +5

We have investigated the surface states of a potential mixed-valent topological insulator SmB based on the first principles density functional theory slab band structure analys…

cond-mat.str-el2014★ 14 cited

Structural instability and the Mott-Peierls transition in a half-metallic hollandite : KCrO

Sooran Kim, Kyoo Kim, B. I. Min

In order to explore the driving mechanism of the concomitant metal-insulator and structural transitions in quasi-one-dimensional hollandite KCrO, electronic stru…

cond-mat.str-el2012★ 89 cited

Correlation Assisted Phonon Softenings and the Mott-Peierls Transition in VO

Sooran Kim, Kyoo Kim, Chang-Jong Kang +1

To explore the driving mechanisms of the metal-insulator transition (MIT) and the structural transition in VO2, we have investigated phonon dispersions of rutile VO2 (R-VO2) in the…