Search Results - "Bin Bae, Hyung"
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1
Elucidating intrinsic contribution of d-orbital states to oxygen evolution electrocatalysis in oxides
Published in Nature communications (05-02-2021)“…Although numerous studies on oxide catalysts for an efficient oxygen evolution reaction have been carried out to compare their catalytic performance and…”
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2
Atomic-scale perturbation of oxygen octahedra via surface ion exchange in perovskite nickelates boosts water oxidation
Published in Nature communications (20-06-2019)“…A substantial amount of interest has been focused on AB O 3 -type perovskite oxides over the past decade as oxygen electrocatalysts. Despite many studies on…”
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3
Atomic-scale unveiling of multiphase evolution during hydrated Zn-ion insertion in vanadium oxide
Published in Nature communications (29-07-2021)“…An initial crystalline phase can transform into another phases as cations are electrochemically inserted into its lattice. Precise identification of phase…”
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4
Atomic‐Scale Observation of LiFePO4 and LiCoO2 Dissolution Behavior in Aqueous Solutions
Published in Advanced functional materials (07-11-2018)“…Understanding the atomic structure variation at the surface of electrode materials in contact with an electrolyte is an essential step toward achieving better…”
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5
Electrically Reconfigurable Phase‐Change Transmissive Metasurface
Published in Advanced materials (Weinheim) (01-09-2024)“…Programmable and reconfigurable optics hold significant potential for transforming a broad spectrum of applications, spanning space explorations to biomedical…”
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6
Monolithic DNApatite: An Elastic Apatite with Sub-Nanometer Scale Organo-Inorganic Structures
Published in Advanced materials (Weinheim) (01-10-2024)“…Hydroxyapatite (HA) exhibits outstanding biocompatibility, bioactivity, osteoconductivity, and natural anti-inflammatory properties. Pure HA, ion-doped HA, and…”
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7
Frenkel-Defect-Mediated Chemical Ordering Transition in a Li-Mn-Ni Spinel Oxide
Published in Angewandte Chemie International Edition (26-06-2015)“…Using spinel‐type Li(Mn1.5Ni0.5)O4 with two different cations, Mn and Ni, in the oxygen octahedra as a model system, we show that a cation ordering transition…”
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8
Subsurface Space-Charge Dopant Segregation to Compensate Surface Excess Charge in a Perovskite Oxide
Published in Angewandte Chemie International Edition (08-08-2016)“…Since the first prediction by Frenkel, many follow‐up studies have been carried out to show the presence of subsurface space‐charge layers having the opposite…”
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9
Toward Accurate Thermal Modeling of Phase Change Material Based Photonic Devices
Published in Small (Weinheim an der Bergstrasse, Germany) (01-12-2023)“…Reconfigurable or programmable photonic devices are rapidly growing and have become an integral part of many optical systems. The ability to selectively…”
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10
Atomic‐Level Observation of Potential‐Dependent Variations at the Surface of an Oxide Catalyst during Oxygen Evolution Reaction
Published in Advanced materials (Weinheim) (01-09-2024)“…Understanding the intricate details of the surface atomic structure and composition of catalysts during the oxygen evolution reaction (OER) is crucial for…”
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11
Atomic-scale observation of premelting at 2D lattice defects inside oxide crystals
Published in Nature communications (20-04-2023)“…Since two major criteria for melting were proposed by Lindemann and Born in the early 1900s, many simulations and observations have been carried out to…”
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12
Symmetry‐Broken Atom Configurations at Grain Boundaries and Oxygen Evolution Electrocatalysis in Perovskite Oxides
Published in Advanced energy materials (05-12-2018)“…A grain boundary forms as an internal interface when two crystalline grains with mutually different crystallographic orientations are in direct contact with…”
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13
Local-electrostatics-induced oxygen octahedral distortion in perovskite oxides and insight into the structure of Ruddlesden–Popper phases
Published in Nature communications (20-09-2021)“…As the physical properties of ABX 3 perovskite-based oxides strongly depend on the geometry of oxygen octahedra containing transition-metal cations, precise…”
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14
Direct Probing of Lattice‐Strain‐Induced Oxygen Release in LiCoO2 and Li2MnO3 without Electrochemical Cycling (Adv. Mater. 29/2023)
Published in Advanced materials (Weinheim) (20-07-2023)“…Li‐Ion Battery Cathodes In article 2212098, Jaekwang Lee, Sung‐Yoon Chung, and co‐workers demonstrate that a significant amount of oxygen loss can be induced…”
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15
Direct Probing of Lattice‐Strain‐Induced Oxygen Release in LiCoO2 and Li2MnO3 without Electrochemical Cycling
Published in Advanced materials (Weinheim) (20-07-2023)“…Since the recognition of a significant oxygen‐redox contribution to enhancing the capacity of Li transition‐metal oxide cathodes, the oxygen release and…”
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16
Probing dopant segregation in distinct cation sites at perovskite oxide polycrystal interfaces
Published in Nature communications (10-11-2017)“…Although theoretical studies and experimental investigations have demonstrated the presence of space-charge-induced dopant segregation, most work has been…”
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17
Li‐Intercalation Oxides: Atomic‐Scale Observation of LiFePO4 and LiCoO2 Dissolution Behavior in Aqueous Solutions (Adv. Funct. Mater. 45/2018)
Published in Advanced functional materials (07-11-2018)“…Dissolution behavior of cathode materials, LiCoO2 and LiFePO4, in aqueous electrolytes is investigated at an atomic level. In article number 1804564 Sung‐Yoon…”
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18
Temperature dependence of crystalline SiGe growth on sapphire (0001) substrates by sputtering
Published in Journal of crystal growth (15-08-2012)“…The temperature dependence of the film morphology and twin structure of SiGe thin films sputtered on sapphire (0001) substrates was characterized using…”
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19
High-Electron-Mobility SiGe on Sapphire Substrate for Fast Chipsets
Published in Advances in condensed matter physics (01-01-2015)“…High-quality strain-relaxed SiGe films with a low twin defect density, high electron mobility, and smooth surface are critical for device fabrication to…”
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20
Toward accurate thermal modeling of phase change material based photonic devices
Published 23-05-2023“…Reconfigurable or programmable photonic devices are rapidly growing and have become an integral part of many optical systems. The ability to selectively…”
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