Search Results - "Yoon, Mina"
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Topography inversion in scanning tunneling microscopy of single-atom-thick materials from penetrating substrate states
Published in Scientific reports (05-05-2022)“…Scanning tunneling microscopy (STM) is one of the indispensable tools to characterize surface structures, but the distinction between atomic geometry and…”
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Highly Responsive Ultrathin GaS Nanosheet Photodetectors on Rigid and Flexible Substrates
Published in Nano letters (10-04-2013)“…The first GaS nanosheet-based photodetectors are demonstrated on both mechanically rigid and flexible substrates. Highly crystalline, exfoliated GaS nanosheets…”
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Interlayer Coupling in Twisted WSe2/WS2 Bilayer Heterostructures Revealed by Optical Spectroscopy
Published in ACS nano (26-07-2016)“…van der Waals (vdW) heterostructures are promising building blocks for future ultrathin electronics. Fabricating vdW heterostructures by stamping monolayers at…”
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Structure and Formation Mechanism of Black TiO2 Nanoparticles
Published in ACS nano (27-10-2015)“…The remarkable properties of black TiO2 are due to its disordered surface shell surrounding a crystalline core. However, the chemical composition and the…”
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Calcium as the superior coating metal in functionalization of carbon fullerenes for high-capacity hydrogen storage
Published in Physical review letters (23-05-2008)“…We explore theoretically the feasibility of functionalizing carbon nanostructures for hydrogen storage, focusing on the coating of C60 fullerenes with light…”
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Alloy Engineering of Defect Properties in Semiconductors: Suppression of Deep Levels in Transition-Metal Dichalcogenides
Published in Physical review letters (18-09-2015)“…Developing practical approaches to effectively reduce the amount of deep defect levels in semiconductors is critical for their use in electronic and…”
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Recent advances in computational materials design: methods, applications, algorithms, and informatics
Published in Journal of materials science (01-06-2022)Get full text
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Origin of long lifetime of band-edge charge carriers in organic–inorganic lead iodide perovskites
Published in Proceedings of the National Academy of Sciences - PNAS (18-07-2017)“…Long carrier lifetime is what makes hybrid organic–inorganic perovskites high-performance photovoltaic materials. Several microscopic mechanisms behind the…”
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Doping transition-metal atoms in graphene for atomic-scale tailoring of electronic, magnetic, and quantum topological properties
Published in Carbon (New York) (01-03-2021)“…Atomic-scale fabrication is an outstanding challenge and overarching goal for the nanoscience community. The practical implementation of moving and fixing…”
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Solid-phase hetero epitaxial growth of α-phase formamidinium perovskite
Published in Nature communications (02-11-2020)“…Conventional epitaxy of semiconductor films requires a compatible single crystalline substrate and precisely controlled growth conditions, which limit the…”
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Patterned arrays of lateral heterojunctions within monolayer two-dimensional semiconductors
Published in Nature communications (22-07-2015)“…The formation of semiconductor heterojunctions and their high-density integration are foundations of modern electronics and optoelectronics. To enable…”
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12
Tailoring Vacancies Far Beyond Intrinsic Levels Changes the Carrier Type and Optical Response in Monolayer MoSe2−x Crystals
Published in Nano letters (10-08-2016)“…Defect engineering has been a critical step in controlling the transport characteristics of electronic devices, and the ability to create, tune, and annihilate…”
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13
Binding and Diffusion of Lithium in Graphite: Quantum Monte Carlo Benchmarks and Validation of van der Waals Density Functional Methods
Published in Journal of chemical theory and computation (09-12-2014)“…Highly accurate diffusion quantum Monte Carlo (QMC) studies of the adsorption and diffusion of atomic lithium in AA-stacked graphite are compared with van der…”
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Entropy-driven structural transition and kinetic trapping in formamidinium lead iodide perovskite
Published in Science advances (01-10-2016)“…A challenge of hybrid perovskite solar cells is device instability, which calls for an understanding of the perovskite structural stability and phase…”
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Van der Waals Epitaxial Growth of Two-Dimensional Single-Crystalline GaSe Domains on Graphene
Published in ACS nano (25-08-2015)“…Two-dimensional (2D) van der Waals (vdW) heterostructures are a family of artificially structured materials that promise tunable optoelectronic properties for…”
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Electronic Properties of Bilayer Graphene Strongly Coupled to Interlayer Stacking and an External Electric Field
Published in Physical review letters (03-07-2015)“…Bilayer graphene (BLG) with a tunable band gap appears interesting as an alternative to graphene for practical applications; thus, its transport properties are…”
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Nonequilibrium Synthesis of TiO2 Nanoparticle “Building Blocks” for Crystal Growth by Sequential Attachment in Pulsed Laser Deposition
Published in Nano letters (09-08-2017)“…Nonequilibrium growth pathways for crystalline nanostructures with metastable phases are demonstrated through the gas-phase formation, attachment, and…”
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Surface Magnetism of Cobalt Nanoislands Controlled by Atomic Hydrogen
Published in Nano letters (11-01-2017)“…Controlling the spin states of the surface and interface is key to spintronic applications of magnetic materials. Here, we report the evolution of surface…”
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Surface-Induced Orientation Control of CuPc Molecules for the Epitaxial Growth of Highly Ordered Organic Crystals on Graphene
Published in Journal of the American Chemical Society (06-03-2013)“…The epitaxial growth and preferred molecular orientation of copper phthalocyanine (CuPc) molecules on graphene has been systematically investigated and…”
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20
Observation of two distinct negative trions in tungsten disulfide monolayers
Published in Physical review. B, Condensed matter and materials physics (25-09-2015)“…We report on the observation of two distinct photogenerated negative trion states TA and TB in two-dimensional tungsten disulfide (2D-WS2) monolayers. These…”
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