Search Results - "Choi, Sungkyun"
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Atomically dispersed iridium catalysts on silicon photoanode for efficient photoelectrochemical water splitting
Published in Nature communications (04-02-2023)“…Stabilizing atomically dispersed single atoms (SAs) on silicon photoanodes for photoelectrochemical-oxygen evolution reaction is still challenging due to the…”
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Realization of a three-dimensional spin–anisotropic harmonic honeycomb iridate
Published in Nature communications (27-06-2014)“…Spin and orbital quantum numbers play a key role in the physics of Mott insulators, but in most systems they are connected only indirectly—via the Pauli…”
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Kitaev interactions between j = 1 2 moments in honeycomb Na2IrO3 are large and ferromagnetic: insights from ab initio quantum chemistry calculations
Published in New journal of physics (31-01-2014)“…Na2IrO3, a honeycomb 5d5 oxide, has been recently identified as a potential realization of the Kitaev spin lattice. The basic feature of this spin model is…”
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Nanoscale electrodeposition: Dimension control and 3D conformality
Published in Exploration (Beijing, China) (01-12-2021)“…Electrodeposition with a long history has been considered one of the important synthesis techniques for applying various applications. It is a feasible route…”
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Spectral signatures of a unique charge density wave in Ta2NiSe7
Published in Nature communications (09-06-2023)“…Charge Density Waves (CDW) are commonly associated with the presence of near-Fermi level states which are separated from others, or “nested", by a wavector of…”
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Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6
Published in Scientific reports (30-04-2021)“…Magnetic properties can be manipulated to enhance certain functionalities by tuning different material processing parameters. Here, we present the controllable…”
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Toward Multicomponent Single-Atom Catalysis for Efficient Electrochemical Energy Conversion
Published in ACS Materials Au (12-01-2022)“…Single-atom catalysts (SACs) have recently emerged as the ultimate solution for overcoming the limitations of traditional catalysts by bridging the gap between…”
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Highly nonlinear magnetoelectric effect in buckled-honeycomb antiferromagnetic Co4Ta2O9
Published in Scientific reports (23-07-2020)“…Strongly correlated materials with multiple order parameters provide unique insights into the fundamental interactions in condensed matter systems and present…”
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Interfacial Engineering of In2O3/In2S3 Heterojunction Photoanodes for Photoelectrochemical Water Oxidation
Published in Electronic materials letters (01-07-2022)“…Photoelectrochemical (PEC) water splitting is one of the critical energy conversion techniques to prepare for future energy demands. Among the various trials…”
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Real-Time Tunable Gas Sensing Platform Based on SnO2 Nanoparticles Activated by Blue Micro-Light-Emitting Diodes
Published in Nano-micro letters (01-12-2024)“…Highlights Blue micro-light-emitting diodes (μLED)-integrated gas sensors were fabricated as monolithic structure by directly loading sensing materials onto…”
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11
Collective magnetic Higgs excitation in a pyrochlore ruthenate
Published in npj quantum materials (11-08-2023)“…The emergence of scalar Higgs-type amplitude modes in systems where symmetry is spontaneously broken has been a highly successful, paradigmatic description of…”
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Multifunctional nano-heterogeneous Ni(OH)2/NiFe catalysts on silicon photoanode toward efficient water and urea oxidation
Published in Applied catalysis. B, Environmental (15-11-2022)“…Exploiting inexhaustible free energy from the sun to produce clean and sustainable fuels is an attractive route toward the heavily polluted earth and energy…”
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Synthesis-in-place hydrothermal growth of hematite nanorods on patterned substrate for highly sensitive and rapid acetone detection
Published in Sensors and actuators. B, Chemical (15-11-2023)“…Hematite (α-Fe2O3) is an attracting gas sensing material for detecting volatile organic compounds due to its adjustable semiconducting properties and abundant…”
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Signature of possible spin liquid state at 2K in spin-frustrated Cr1-xFexPSe3 alloy
Published in Journal of alloys and compounds (30-06-2024)“…Disordered spin systems typically exhibit glass-like characteristics below the glass transition temperature [1–4]. However, when the competition between…”
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One-ninth magnetization plateau stabilized by spin entanglement in a kagome antiferromagnet
Published in Nature physics (01-03-2024)“…The spin-1/2 antiferromagnetic Heisenberg model on a kagome lattice is geometrically frustrated, which is expected to promote the formation of many-body…”
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Pd-W18O49 Nanowire MEMS Gas Sensor for Ultraselective Dual Detection of Hydrogen and Ammonia
Published in Small (Weinheim an der Bergstrasse, Germany) (07-11-2024)“…Demand for real-time detection of hydrogen and ammonia, clean energy carriers, in a sensitive and selective manner, is growing rapidly for energy, industrial,…”
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Pd‐W 18 O 49 Nanowire MEMS Gas Sensor for Ultraselective Dual Detection of Hydrogen and Ammonia
Published in Small (Weinheim an der Bergstrasse, Germany) (07-11-2024)“…Abstract Demand for real‐time detection of hydrogen and ammonia, clean energy carriers, in a sensitive and selective manner, is growing rapidly for energy,…”
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Non-noble metal single atom catalysts for electrochemical energy conversion reactions
Published in Chinese journal of catalysis (01-07-2023)Get full text
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Low Onset‐Potential Z‐Scheme Ta 3 N 5 ‐based Photoanode with Enhanced Light Harvesting and Charge Transport
Published in Advanced energy materials (01-02-2024)“…Abstract Simultaneous enhancement of light harvesting and charge transport in photoelectrochemical (PEC) systems is a major challenge to achieving high…”
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Linearly programmable two-dimensional halide perovskite memristor arrays for neuromorphic computing
Published in Nature nanotechnology (18-10-2024)“…The exotic properties of three-dimensional halide perovskites, such as mixed ionic-electronic conductivity and feasible ion migration, have enabled them to…”
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