Mina Yoon
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View article: Overcoming Quantum Resistivity Scaling in Nanoscale Interconnects Using Delafossite PdCoO2
Overcoming Quantum Resistivity Scaling in Nanoscale Interconnects Using Delafossite PdCoO2 Open
Continued scaling into the sub 7 nm regime exacerbates quantum limited resistivity in Cu interconnects. We evaluated layered PdCoO2 and explicitly benchmarked it against Cu to identify mechanisms that maintain conductivity under confinemen…
View article: Reversible Modification of Rashba States in Topological Insulators at Room Temperature by Edge Functionalization
Reversible Modification of Rashba States in Topological Insulators at Room Temperature by Edge Functionalization Open
Quantum materials with novel spin textures from strong spin-orbit coupling (SOC) are essential components for a wide array of proposed spintronic devices. Topological insulators have necessary strong SOC that imposes a unique spin texture …
View article: Coexistence of superconductivity and topological band in a van der Waals Sn1-xInxBi2Te4 crystal
Coexistence of superconductivity and topological band in a van der Waals Sn1-xInxBi2Te4 crystal Open
The realization of topological surface states and superconductivity within a single material platform is a crucial step toward achieving topologically nontrivial superconductivity. This can be achieved at an interface between a superconduc…
View article: Thickness-dependent polaron crossover in tellurene
Thickness-dependent polaron crossover in tellurene Open
Polarons, quasiparticles from electron-phonon coupling, are crucial for material properties including high-temperature superconductivity and colossal magnetoresistance. However, scarce studies have investigated polaron formation in low-dim…
View article: Strain Programming of Oxygen Octahedral Symmetry in Perovskite Oxide Thin Films
Strain Programming of Oxygen Octahedral Symmetry in Perovskite Oxide Thin Films Open
The collective rotations of oxygen octahedra play an important role in determining the physical properties of functional perovskite oxides. The epitaxial strain can serve as an effective means to modify the oxygen octahedral symmetry (OOS)…
View article: Optimizing Density Functional Theory for Strain-Dependent Magnetic Properties of MnBi(_2)Te(_4) with Diffusion Monte Carlo
Optimizing Density Functional Theory for Strain-Dependent Magnetic Properties of MnBi(_2)Te(_4) with Diffusion Monte Carlo Open
In this study, we evaluate the predictive power of density functional theory (DFT) for the magnetic properties of MnBi2Te4 (MBT), an intrinsically magnetic topological insulator with potential applications in spintronics and quantum comput…
View article: Thickness-Dependent Polaron Crossover in Tellurene
Thickness-Dependent Polaron Crossover in Tellurene Open
Polarons, quasiparticles arising from electron-phonon coupling, are crucial in understanding material properties such as high-temperature superconductivity and colossal magnetoresistance. However, scarce studies have been performed to inve…
View article: Exploring interlayer coupling in the twisted bilayer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>PtTe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>
Exploring interlayer coupling in the twisted bilayer Open
We have investigated interlayer interactions in the bilayer PtTe2 system, which influence the electronic energy bands near the Fermi level. Our diffusion Monte Carlo (DMC) calculations for the high-symmetry bilayer stackings (AA, AB, AC) m…
View article: Optimizing Density Functional Theory for Strain-Dependent Magnetic Properties of MnBi$_2$Te$_4$ with Diffusion Monte Carlo
Optimizing Density Functional Theory for Strain-Dependent Magnetic Properties of MnBi$_2$Te$_4$ with Diffusion Monte Carlo Open
In this study, we evaluate the predictive power of density functional theory (DFT) for the magnetic properties of MnBi\(_2\)Te\(_4\) (MBT), an intrinsically magnetic topological insulator with potential applications in spintronics and quan…
View article: Improved Electrical Conductivity of Copper and Nitrogen Functionalized Carbon Nanotubes
Improved Electrical Conductivity of Copper and Nitrogen Functionalized Carbon Nanotubes Open
In this work, we investigate the electrical conductivity of carbon nanotubes (CNTs), with a particular focus on the effects of doping. Using a first-principles approach, we study the electronic structure, phonon dispersion, and electron-ph…
View article: Controlling structural phases of Sn through lattice engineering
Controlling structural phases of Sn through lattice engineering Open
Topology and superconductivity, two distinct phenomena offer unique insight into quantum properties and their applications in quantum technologies, spintronics, and sustainable energy technologies if system can be found where they coexist.…
View article: Universal sublinear resistivity in vanadium kagome materials hosting charge density waves
Universal sublinear resistivity in vanadium kagome materials hosting charge density waves Open
Kagome metals are exciting platforms to explore electronic instabilities such as charge density waves. The authors study here magnetotransport properties of various kagome compounds, with a focus on the charge density wave metal ScV${}_{6}…
View article: Interplay between Topological States and Rashba States as Manifested on Surface Steps at Room Temperature
Interplay between Topological States and Rashba States as Manifested on Surface Steps at Room Temperature Open
The unique spin texture of quantum states in topological materials underpins many proposed spintronic applications. However, realizations of such great potential are stymied by perturbations, such as temperature and local fields imposed by…
View article: Copper–Carbon Nanotube Composites Enabled by Brush Coating for Advanced Conductors
Copper–Carbon Nanotube Composites Enabled by Brush Coating for Advanced Conductors Open
There is a growing demand for advanced conductors with enhanced electrical properties to increase the energy efficiency in various applications. A promising strategy to achieve this involves the use of ultraconductive copper (UCC) composit…
View article: Ghost states and surface structures of the charge density wave kagome metal ScV<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si26.svg" display="inline" id="d1e399"><mml:msub><mml:mrow/><mml:mrow><mml:mn>6</mml:mn></mml:mrow></mml:msub></mml:math>Sn<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si26.svg" display="inline" id="d1e407"><mml:msub><mml:mrow/><mml:mrow><mml:mn>6</mml:mn></mml:mrow></mml:msub></mml:math>
Ghost states and surface structures of the charge density wave kagome metal ScVSn Open
View article: Exploring interlayer coupling in the twisted bilayer PtTe$_{2}$
Exploring interlayer coupling in the twisted bilayer PtTe$_{2}$ Open
We have investigated interlayer interactions in the bilayer PtTe$_{2}$ system, which influence the electronic energy bands near the Fermi levels. Our diffusion Monte Carlo (DMC) calculations for the high-symmetry bilayer stackings (AA, AB,…
View article: Distance-Dependent Evolution of Electronic States in Kagome-Honeycomb Lateral Heterostructures in FeSn
Distance-Dependent Evolution of Electronic States in Kagome-Honeycomb Lateral Heterostructures in FeSn Open
In this work, we demonstrate the formation and electronic influence of lateral heterointerfaces in FeSn containing Kagome and honeycomb layers. Lateral heterostructures offer spatially resolved property control, enabling the integration of…
View article: Structural transitions in nanoscale systems
Structural transitions in nanoscale systems Open
View article: Distance-Dependent Evolution of Electronic States in Kagome- Honeycomb Lateral Heterostructures in FeSn
Distance-Dependent Evolution of Electronic States in Kagome- Honeycomb Lateral Heterostructures in FeSn Open
In this work, we demonstrate the formation and electronic influence of lateral heterointerfaces in FeSn containing Kagome and honeycomb layers. Lateral heterostructures offer spatially resolved property control, enabling the integration of…
View article: The influence of Structural Dynamics in Two-Dimensional Hybrid Organic-Inorganic Perovskites on their Photoluminescence Efficiency -- Neutron scattering analysis
The influence of Structural Dynamics in Two-Dimensional Hybrid Organic-Inorganic Perovskites on their Photoluminescence Efficiency -- Neutron scattering analysis Open
Two-dimensional hybrid organic-inorganic perovskites (HOIPs) have emerged as promising materials for light-emitting diode applications. In this study, by using time-of-flight neutron spectroscopy we identified and quantitatively separated …
View article: Structural anisotropy in Sb thin films
Structural anisotropy in Sb thin films Open
Sb thin films have attracted wide interest due to their tunable band structure, topological phases, high electron mobility, and thermoelectric properties. We successfully grow epitaxial Sb thin films on a closely lattice-matched GaSb(001) …
View article: Machine Learning Prediction of Oer Activity for Pnma Perovskite Via Minimal Structure Relaxation
Machine Learning Prediction of Oer Activity for Pnma Perovskite Via Minimal Structure Relaxation Open
View article: Predictions of delafossite-hosted honeycomb and kagome phases
Predictions of delafossite-hosted honeycomb and kagome phases Open
Delafossites (ABO 2 ) are a class of layered materials with triangular A and B sub-lattices. Via high-throughput ab initio calculations over a wide range of delafossites, we identify delafossites that preferentially admit guest species in …
View article: Role of Curvature in Stabilizing Boron-Doped Nanocorrugated Graphene
Role of Curvature in Stabilizing Boron-Doped Nanocorrugated Graphene Open
Boron-doped carbon nanostructures have attracted great interest recently because of their remarkable electrocatalytic performance comparable to or better than that of conventional metal catalysts. In a previous work (Carbon 123, 605…
View article: Top‐Down Fabrication of Atomic Patterns in Twisted Bilayer Graphene
Top‐Down Fabrication of Atomic Patterns in Twisted Bilayer Graphene Open
In the Experimental Section under "Sample Preparation" the first line reads: "Low-pressure chemical vapor deposition (LP-CVD) was used to grow graphene on Cu foil. [28] " This is hereby corrected to: "Atmospheric-pressure chemical vapor de…
View article: Two-dimensional Dirac semimetal based on the alkaline earth metal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mtext>CaP</mml:mtext><mml:mn>3</mml:mn></mml:msub></mml:math>
Two-dimensional Dirac semimetal based on the alkaline earth metal Open
Using an evolutionary algorithm in combination with first-principles density-functional theory calculations, we identify a two-dimensional (2D) monolayer as a new Dirac semimetal due to inversion and nonsymmorphic spatial symmetries of th…
View article: Theoretical Investigation of Delafossite-Cu2ZnSnO4 as a Promising Photovoltaic Absorber
Theoretical Investigation of Delafossite-Cu2ZnSnO4 as a Promising Photovoltaic Absorber Open
In the quest for efficient and cost-effective photovoltaic absorber materials beyond silicon, considerable attention has been directed toward exploring alternatives. One such material, zincblende-derived Cu2ZnSnS4 (CZTS), has shown promise…
View article: More Than 30 000-fold Field Enhancement of Terahertz Nanoresonators Enabled by Rapid Inverse Design
More Than 30 000-fold Field Enhancement of Terahertz Nanoresonators Enabled by Rapid Inverse Design Open
The rapid development of 6G communications using terahertz (THz) electromagnetic waves has created a demand for highly sensitive THz nanoresonators capable of detecting these waves. Among the potential candidates, THz nanogap loop arrays s…
View article: Theoretical investigation of delafossite-Cu2ZnSnO4 as a promising photovoltaic absorber
Theoretical investigation of delafossite-Cu2ZnSnO4 as a promising photovoltaic absorber Open
In the quest for efficient and cost-effective photovoltaic absorber materials beyond silicon, considerable attention has been directed toward exploring alternatives. One such material, zincblende-derived Cu2ZnSnS4 (CZTS), has shown promise…
View article: Stacking Faults and Topological Properties in MnBi<sub>2</sub>Te<sub>4</sub>: Reconciling Gapped and Gapless States
Stacking Faults and Topological Properties in MnBi<sub>2</sub>Te<sub>4</sub>: Reconciling Gapped and Gapless States Open
Despite theoretical predictions of a gapped surface state for the magnetic topological insulator MnBi2Te4 (MBT), there has been a series of experimental evidence pointing toward gapless states. Here, we theoretically …