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Orientation before destruction. A multiscale molecular dynamics study: The emergence of ultra-fast X-ray free-electron lasers opens the possibility of imaging single molecules in the gas phase at atomic resolution. The main disadvantage of this imaging technique is the unknown orientation of the sample exposed to the X...
cond-mat_mtrl-sci
Giant electrophononic response in PbTiO$_3$ by strain engineering: We demonstrate theoretically how, by imposing epitaxial strain in a ferroelectric perovskite, it is possible to achieve a dynamical control of phonon propagation by means of external electric fields, which yields a giant electrophononic response, i.e. t...
cond-mat_mtrl-sci
The Benefits of Trace Cu in Wrought Al-Mg Alloys: The softening and strengthening contributions in pre-deformed and aged Al-Mg-Cu alloys containing 3wt.%Mg and 0.5wt.%Cu are evaluated by a combination of microscopy, mechanical testing and modelling. A refined phenomenological model for the work hardening response, acco...
cond-mat_mtrl-sci
Modeling of Nucleation Processes: Nucleation is the onset of a first-order phase transition by which a metastable phase transforms into a more stable one. Such a phase transition occurs when an initial system initially in equilibrium is destabilized by the change of an external parameter like the temperature or the pre...
cond-mat_mtrl-sci
Brownian Motion of Graphene: We study the Brownian motion (BM) of optically trapped graphene flakes. These orient orthogonal to the light polarization, due to the optical constants anisotropy. We explain the flake dynamics, measure force and torque constants and derive a full electromagnetic theory of optical trapping....
cond-mat_mtrl-sci
Modification of electron states in CdTe absorber due to a buffer layer in CdS/CdTe solar cells: By application of the ac admittance spectroscopy method, the defect state energy distributions were determined in CdTe incorporated in thin film solar cell structures concluded on ZnO, ZnSe, and ZnS buffer layers. Together...
cond-mat_mtrl-sci
Hafnia for analog memristor: Influence of stoichiometry and crystalline structure: The highly non-linear switching behavior of hafnia memristor actually hinders its wide application in neuromorphic computing. Theoretical understanding into its switching mechanism has been focused on the processes of conductive filame...
cond-mat_mtrl-sci
Quantitative characterization of surface topography using spectral analysis: Roughness determines many functional properties of surfaces, such as adhesion, friction, and (thermal and electrical) contact conductance. Recent analytical models and simulations enable quantitative prediction of these properties from knowl...
cond-mat_mtrl-sci
Domain Dynamics in Piezoresponse Force Microscopy: Quantitative Deconvolution and Hysteresis Loop Fine Structure: Domain dynamics in the Piezoresponse Force Spectroscopy (PFS) experiment is studied using the combination of local hysteresis loop acquisition with simultaneous domain imaging. The analytical theory for P...
cond-mat_mtrl-sci
Effect of nitrogen introduced at the SiC/SiO$_2$ interface and SiC side on the electronic states by first-principles calculation: In this study, using first-principles calculations, we investigate the behavior of electrons at the SiC/SiO$_2$ interface when nitrogen is introduced as a dopant within a few nm of the SiC...
cond-mat_mtrl-sci
Selection of strain and fitting schemes for calculating higher-order elastic constants: Criteria of selecting strain and fitting schemes are proposed for the calculation of higher-order elastic constants more efficiently, robustly and accurately. As demonstrated by the third-order elastic constants (TOECs) of diamond...
cond-mat_mtrl-sci
Disordered Hyperuniform Solid State Materials: Disordered hyperuniform (DHU) states are recently discovered exotic states of condensed matter. DHU systems are similar to liquids or glasses in that they are statistically isotropic and lack conventional long-range translational and orientational order. On the other hand,...
cond-mat_mtrl-sci
Properties of $(TiZrNbCu)_{1-x}$$Ni_{x}$ Metallic Glasses: Recent studies (J. Alloys Compd. 695 (2017) 2661) of the electronic structure and properties of $(TiZrNbCu)_{1-x}$$Ni_{x}$ (x$\leq$0.25) amorphous high entropy alloys (a-HEA) have been extended to x=0.5 in order to compare behaviours of a-HEA and conventional N...
cond-mat_mtrl-sci
Equivalent circuit representation of hysteresis in solar cells that considers interface charge accumulation: Potential cause of hysteresis in perovskite solar cells: If charge carriers accumulate in the charge transport layer of a solar cell, then the transient response of the electric field that originates from th...
cond-mat_mtrl-sci
Ferrous Metal Matrix Composites Status Scope and Challenges: The present paper is an effort to culminate the status, scopes and challenges in the development of ferrous metal matrix composites (FMMCs). The FMMCs are old but less in use than the non-ferrous metal matrix composites (NFMMCs), as far as literature and actu...
cond-mat_mtrl-sci
Universal solvent restructuring induced by colloidal nanoparticles: Colloidal nanoparticles, used for applications from catalysis and energy applications to cosmetics, are typically embedded in matrixes or dispersed in solutions. The entire particle surface, which is where reactions are expected to occur, is thus expos...
cond-mat_mtrl-sci
Calculation of the specific heat in ultra-thin free-standing silicon membranes: The specific heat of ultra-thin free-standing membranes is calculated using the elastic continuum model. We first obtain the dispersion relations of the discrete set of acoustic modes in the system. The specific heat is then calculated by...
cond-mat_mtrl-sci
Sensitive electronic correlation effects on electronic properties in ferrovalley material Janus FeClF monolayer: The electronic correlation may have essential influence on electronic structures in some materials with special structure and localized orbital distribution. In this work, taking Janus monolayer FeClF as a...
cond-mat_mtrl-sci
Structure-dependent exchange in the organic magnets Cu(II)Pc and Mn(II)Pc: We study exchange couplings in the organic magnets copper(II) phthalocyanine (Cu(II)Pc) and manganese(II) phthalocyanine (Mn(II)Pc) by a combination of Green's function perturbation theory and \textsl{ab initio} density-functional theory (DFT)...
cond-mat_mtrl-sci
Can we predict interface dipoles based on molecular properties?: We apply high-throughput DFT calculations and symbolic regression to hybrid inorganic/organic interfaces with the intent to extract physically meaningful correlations between the adsorption-induced work function modifications and the properties of the con...
cond-mat_mtrl-sci
Single-Atom Scale Structural Selectivity in Te Nanowires Encapsulated inside Ultra-Narrow, Single-Walled Carbon Nanotubes: Extreme nanowires (ENs) represent the ultimate class of crystals: They are the smallest possible periodic materials. With atom-wide motifs repeated in one dimension (1D), they offer a privileged ...
cond-mat_mtrl-sci
Two-dimensional modeling of the self-limiting oxidation in silicon and tungsten nanowires: Self-limiting oxidation of nanowires has been previously described as a reaction- or diffusion-controlled process. In this letter, the concept of finite reactive region is introduced into a diffusion-controlled model, based upo...
cond-mat_mtrl-sci
Raman and Far Infrared Synchrotron Nanospectroscopy of Layered Crystalline Talc: Vibrational Properties, Interlayer Coupling and Symmetry Crossover: Talc is an insulating layered material that is stable at ambient conditions and has high-quality basal cleavage, which is a major advantage for its use in van der Waal...
cond-mat_mtrl-sci
Nearly triple nodal point topological phase in half-metallic GdN: Recent developments in topological semimetals open a way to realize relativistic dispersions in condensed matter systems. One recently studied type of topological feature is the "triple nodal point" where three bands become degenerate. In contrast to Wey...
cond-mat_mtrl-sci
Will Zigzag Graphene Nanoribbon Turn to Half Metal under Electric Field?: At B3LYP level of theory, we predict that the half-metallicity in zigzag edge graphene nanoribbon (ZGNR) can be realized when an external electric field is applied across the ribbon. The critical electric field to induce the half-metallicity decr...
cond-mat_mtrl-sci
Promising photovoltaic efficiency of a layered silicon oxide crystal Si$_{3}$O: Computational searching and screening of new functional materials exploiting earth abundant elements can accelerate developments of their energy applications. Based on a state-of-the-art materials search algorithm and ab initio calculatio...
cond-mat_mtrl-sci
Viscoelastic Constitutive Artificial Neural Networks (vCANNs) $-$ a framework for data-driven anisotropic nonlinear finite viscoelasticity: The constitutive behavior of polymeric materials is often modeled by finite linear viscoelastic (FLV) or quasi-linear viscoelastic (QLV) models. These popular models are simplifi...
cond-mat_mtrl-sci
Na9Bi5Os3O24: A Unique Diamagnetic Oxide Featuring a Pronouncedly Jahn-Teller Compressed Octahedral Coordination of Osmium(VI): The Jahn-Teller theorem constitutes one of the most popular and stringent concepts, applicable to all fields of chemistry. In open shell transition elements chemistry and physics, 3d4, 3d9, ...
cond-mat_mtrl-sci
Bulk and surface properties of the Ruddlesden-Popper oxynitride Sr$_2$TaO$_3$N: Oxynitrides with the perovskite structure are promising candidates for photocatalysis under visible light due to their appropriate optical and electronic properties. Recently, layered perovskites have attracted attention for their improve...
cond-mat_mtrl-sci
Understanding atom probe's analytical performance for iron oxides using correlation histograms and ab initio calculations: Field evaporation from ionic or covalently bonded materials often leads to the emission of molecular ions. The metastability of these molecular ions, particularly under the influence of the inten...
cond-mat_mtrl-sci
Sensitivity of the MnTe valence band to orientation of magnetic moments: An effective model of the hexagonal (NiAs-structure) manganese telluride valence band in the vicinity of the A-point of the Brillouin zone is derived. It is shown that while for the usual antiferromagnetic order (magnetic moments in the basal plan...
cond-mat_mtrl-sci
Parent grain reconstruction from partially or fully transformed microstructures in MTEX: A versatile generic framework for parent grain reconstruction from fully or partially transformed child microstructures was integrated into the open-source crystallographic toolbox MTEX. The framework extends traditional parent g...
cond-mat_mtrl-sci
Novel superhard structures of high-pressure C-N compounds: Through machine learning force field accelerated structure search combined with first-principles calculations, we have studied the structures of new C-N compounds with different stoichiometric ratios, and found twelve new superhard C-N compounds, the energies o...
cond-mat_mtrl-sci
Fabrication of ice-templated tubes by rotational freezing: microstructure, strength, and permeability: We demonstrate a facile and scalable technique, rotational freezing, to produce porous tubular ceramic supports with radially aligned porosity. The method is based on a conventional ice-templating process in a rotat...
cond-mat_mtrl-sci
Giant anomalous Hall effect from spin-chirality scattering in a chiral magnet: The electrical Hall effect can be significantly enhanced through the interplay of the conduction electrons with magnetism, which is known as the anomalous Hall effect (AHE). Whereas the mechanism related to band topology has been intensive...
cond-mat_mtrl-sci
Transport between metals and magnetic insulators: We derive the Onsager response matrix of fluctuation-mediated spin-collinear transport through a ferromagnetic insulator and normal metal interface driven by a temperature difference, spin accumulation, or magnetic field. We predict magnon-squeezing spin currents, magne...
cond-mat_mtrl-sci
Cesium Enhances Long-Term Stability of Lead Bromide Perovskite-Based Solar Cells: Direct comparison between perovskite-structured hybrid organic-inorganic - methyl ammonium lead bromide (MAPbBr3) and all-inorganic cesium lead bromide (CsPbBr3), allows identifying possible fundamental differences in their structural, ...
cond-mat_mtrl-sci
Quantum Composites with the Functionality Defined by the Charge-Density-Wave Phase Transitions: We demonstrate a unique class of advanced materials - quantum composites based on polymers with fillers comprised of a van der Waals quantum material that reveals multiple charge-density-wave quantum condensate phases. Mat...
cond-mat_mtrl-sci
Thermal conductivity of perovskite KTaO3 and PbTiO3 from first principles: The low thermal conductivity of piezoelectric perovskites is a challenge for high power transducer applications. We report first principles calculations of the thermal conductivity of ferroelectric PbTiO$_3$ and the cubic nearly ferroelectric ...
cond-mat_mtrl-sci
Enhanced Born Charge and Proximity to Ferroelectricity in Thallium Halides: Electronic structure and lattice dynamics calculations on thallium halides show that the Born effective charges in these compounds are more than twice larger than the nominal ionic charges. This is a result of cross-band-gap hybridization bet...
cond-mat_mtrl-sci
Acousto-electric Characteristics of Periodically Poled Ferroelectric Plate: A multidomain two-dimensional periodically poled ferroelectric plate vibrator is reported for the first time. The theoretical calculations, computer simulations by the Finite Element Method and experimental data from the lithium tantalite sam...
cond-mat_mtrl-sci
Chemical gradients across phase boundaries between martensite and austenite in steel studied by atom probe tomography and simulation: Partitioning at phase boundaries of complex steels is important for their properties. We present atom probe tomography results across martensite / austenite interfaces in a precipitati...
cond-mat_mtrl-sci
Ferroelectricity induced by acentric spin-density waves in YMn$_2$O$_5$: The commensurate and incommensurate magnetic structures of the magnetoelectric system YMn$_{2}$O$_{5}$, as determined from neutron diffraction, were found to be spin-density waves lacking a global center of symmetry. We propose a model, based on a...
cond-mat_mtrl-sci
Effects of CdCl$_2$ treatment on the local electronic properties of polycrystalline CdTe measured with photoemission electron microscopy: To investigate the effects of CdCl$_2$ treatment on the local electronic properties of polycrystalline CdTe films, we conducted a photoemission electron microscopy (PEEM) study of ...
cond-mat_mtrl-sci
Verification of Wiedemann-Franz law in silver with moderate residual resistivity ratio: Electrical and thermal transport were studied in a vacuum-annealed polycrystalline silver wire with residual resistivity ratio 200-400, in the temperature range 0.1-1.2K and in magnetic fields up to 5T. Both at zero field and at 5...
cond-mat_mtrl-sci
A numerical strategy for coarse-graining two-dimensional atomistic models at finite temperature: the membrane case: We present a numerical strategy to compute ensemble averages of coarse-grained two-dimensional membrane-like models. The approach consists in generalizing to these two-dimensional models a one-dimension...
cond-mat_mtrl-sci
A detailed analysis of impact collision ion scattering spectroscopy of bismuth selenide: Impact collision ion scattering spectroscopy (ICISS), which is a variation of low energy ion scattering (LEIS) that employs large scattering angles, is performed on Bi2Se3 surfaces prepared by ion bombardment and annealing (IBA)....
cond-mat_mtrl-sci
Valley Degree of Freedom in Two-Dimensional van der Waals Materials: Layered materials can possess valleys that are indistinguishable from one another except for the momentum. These valleys are individually addressable in momentum space at the K and K' points in the first Brillouin zone. Such valley addressability open...
cond-mat_mtrl-sci
Multiferroicity and hydrogen-bond ordering in (C2H5NH3)2CuCl4 featuring dominant ferromagnetic interactions: We demonstrate that ethylammonium copper chloride, (C2H5NH3)2CuCl4, a member of the hybrid perovskite family is an electrically polar and magnetic compound with dielectric anomaly around the Curie point (247 K...
cond-mat_mtrl-sci
Theory of domain structure in ferromagnetic phase of diluted magnetic semiconductors near the phase transition temperature: We discuss the influence of disorder on domain structure formation in ferromagnetic phase of diluted magnetic semiconductors (DMS) of p-type. Using analytical arguments we show the existence of ...
cond-mat_mtrl-sci
Cathodoluminescence spectroscopy of monolayer hexagonal boron nitride: Cathodoluminescence (CL) spectroscopy is a powerful technique for studying emission properties of optoelectronic materials because CL is free from excitable bandgap limits and from ambiguous signals due to simple light scattering and resonant Raman ...
cond-mat_mtrl-sci
Crystallization Mechanism Tuned Phase-Change Materials: Quantum Effect on Te-Terminated Boundary: While phase-change materials (PCMs) composed of chalcogenide have different crystallization mechanisms (CM), such as nucleation-dominated Ge2Sb2Te5 (GST) and growth-dominated GeTe (GT), revealing the essential reason of ...
cond-mat_mtrl-sci
Role of polyhedron unit in distinct photodynamics of zero-dimensional organic-inorganic hybrid tin halide compounds: The zero-dimensional (0D) metal halides comprise periodically distributed and isolated metal-halide polyhedra, which act as the smallest inorganic quantum systems and can accommodate quasi-localized Fr...
cond-mat_mtrl-sci
Quantum transport evidence of the boundary states and Lifshitz transition in Bi$_4$Br$_4$: The quasi-one-dimensional van der Waals compound Bi$_4$Br$_4$ was recently found to be a promising high-order topological insulator with exotic electronic states. In this paper, we study the electrical transport properties of B...
cond-mat_mtrl-sci
Formation of cBN nanocrystals by He+ implantations of hBN: The structural modifications of polycrystalline hexagonal boron nitride implanted with He+ ion beams at energies between 200 keV and 1.2 MeV to fluences of 1.0 \times 1017 ions \cdot cm-2 were investigated using micro-Raman spectroscopy. The measured Raman spec...
cond-mat_mtrl-sci
Interlayer Configurations in Twisted Bilayers of Folded Graphene: The folding of monolayer graphene leads to new layered systems, termed twisted bilayer graphene (TBG), generally displaying a certain interlayer rotation away from crystallographic alignment. We here present an atomic force microscopy study on folded gra...
cond-mat_mtrl-sci
ATiO$_{3}$/TiO (A=Pb, Sn) superlattice: bridging ferroelectricity and conductivity: We propose to insert TiO layers to perovskite ATiO$_{3}$ to form a superlattice and use first-principles calculations to investigate its basic properties. Our computational analysis shows that the structure, which consists of repeated...
cond-mat_mtrl-sci
Chemical functionalization on planar polysilane and graphane: Two dimensional materials are important for electronics applications. A natural way for electronic structure engineering on two dimensional systems is on-plane chemical functionalization. Based on density functional theory, we study the electronic structures...
cond-mat_mtrl-sci
Single crystal growth of TIMETAL LCB titanium alloy by a floating zone method: The methodology of single crystal growth of metastable $\beta$-Ti alloy TIMETAL LCB in an optical floating zone furnace is presented in this paper. Chemical compositions of both precursor material and single crystals were checked. It was f...
cond-mat_mtrl-sci
Machine learning driven simulated deposition of carbon films: from low-density to diamondlike amorphous carbon: Amorphous carbon (a-C) materials have diverse interesting and useful properties, but the understanding of their atomic-scale structures is still incomplete. Here, we report on extensive atomistic simulation...
cond-mat_mtrl-sci
Many-body Green's function GW and Bethe-Salpeter study of the optical excitations in a paradigmatic model dipeptide: We study within the many-body Green's function GW and Bethe-Salpeter formalisms the excitation energies of a paradigmatic model dipeptide, focusing on the four lowest-lying local and charge-transfer ex...
cond-mat_mtrl-sci
The electronic structure of liquid water within density functional theory: In the last decade, computational studies of liquid water have mostly concentrated on ground state properties. However recent spectroscopic measurements have been used to infer the structure of water, and the interpretation of optical and x-ra...
cond-mat_mtrl-sci
Classical potential describes martensitic phase transformations between the $α$, $β$ and $ω$ titanium phases: A description of the martensitic transformations between the $\alpha$, $\beta$ and $\omega$ phases of titanium that includes nucleation and growth requires an accurate classical potential. Optimization of the...
cond-mat_mtrl-sci
Sub-ps thermionic electron injection effects on exciton-formation dynamics at a van der Waals semiconductor/metal interface: Inorganic van der Waals bonded semiconductors like transition metal dichalcogenides are subject of intense research due to their electronic and optical properties which are promising for next-g...
cond-mat_mtrl-sci
Transformation kinetics of alloys under non-isothermal conditions: The overall solid-to-solid phase transformation kinetics under non-isothermal conditions has been modeled by means of a differential equation method. The method requires provisions for expressions of the fraction of the transformed phase in equilibrium ...
cond-mat_mtrl-sci
Combined SANS and SAXS study of the action of ultrasound on the structure of amorphous zirconia gels: In the present work, we have studied for the first time the combined effect of both sonication and precipitation pH on the structure of amorphous zirconia gels synthesized from zirconium(IV) propoxide. The techniques...
cond-mat_mtrl-sci
Thermoelectric properties of marcasite and pyrite FeX$_2$(X=Se,Te): A first principle study: Electronic structure and thermoelectric properties of marcasite (m) and synthetic pyrite (p) phases of FeX$_2$ (X=Se,Te) have been investigated using first principles density functional theory and Boltzmann transport equation...
cond-mat_mtrl-sci
Production of Gas Phase Zinc Oxide Nanoclusters by Pulsed Laser Ablation: We present experimental results on the photoluminescence (PL) of gas-suspended zinc oxide nanoclusters prepared during ablation of sintered ZnO targets by a pulsed ArF laser in the presence of oxygen ambient gas. The PL spectra in the UV spectral...
cond-mat_mtrl-sci
First Principles Study of the Giant Magnetic Anisotropy Energy in Bulk Na4IrO4: In 5d transition metal oxides, novel properties arise from the interplay of electron correlations and spin--orbit interactions. Na4IrO4, where 5d transition-metal Ir atom occupies the center of the square-planar coordination environment, ...
cond-mat_mtrl-sci
Electronic, transport and optical properties of monolayer $α$ and $β-$GeSe: A first-principles study: The extraordinary properties and the novel applications of black phosphorene induce the research interest on the monolayer group-IV monochalcogenides. Here using the first-principles calculations, we systematically i...
cond-mat_mtrl-sci
The commensurate phase of multiferroic HoMn2O5 studied by X-ray magnetic scattering: The commensurate phase of multiferroic HoMn2O5 was studied by X-ray magnetic scattering, both off resonance and in resonant conditions at the Ho-L3 edge. Below 40 K, magnetic ordering at the Ho sites is induced by the main Mn magneti...
cond-mat_mtrl-sci
Electron emission from plasmonically induced Floquet bands at metal surfaces: We explore the possibility of existence of plasmonically generated electronic Floquet bands at metal surfaces by studying the gauge transformed electron-surface plasmon interaction in the prepumped plasmonic coherent state environment. Thes...
cond-mat_mtrl-sci
A critical study of the elastic properties and stability of Heusler compounds: Phase change and tetragonal $X_{2}YZ$ compounds: In the present work, the elastic constants and derived properties of tetragonal and cubic Heusler compounds were calculated using the high accuracy of the full-potential linearized augmented...
cond-mat_mtrl-sci
Cubic-scaling iterative solution of the Bethe-Salpeter equation for finite systems: The Bethe-Salpeter equation (BSE) is currently the state of the art in the description of neutral electron excitations in both solids and large finite systems. It is capable of accurately treating charge-transfer excitations that pres...
cond-mat_mtrl-sci
THz emission from Co/Pt bilayers with varied roughness, crystal structure, and interface intermixing: Femtosecond laser excitation of a Co/Pt bilayer results in the efficient emission of picosecond THz pulses. Two known mechanisms for generating THz emission are spin-polarized currents through a Co/Pt interface, resu...
cond-mat_mtrl-sci
Investigation of thickness dependent composition of boron carbide thin films by resonant soft x-ray reflectivity: Boron carbide thin films of different thicknesses deposited by ion beam sputtering were studied. The deposited films were characterized by grazing incidence hard x-ray reflectivity (GIXR), resonant soft x...
cond-mat_mtrl-sci
Magnetic ordering and fluctuation in kagome lattice antiferromagnets, Fe and Cr jarosites: Jarosite family compounds, KFe_3(OH)_6(SO_4)_2, (abbreviate Fe jarosite), and KCr_3(OH)_6(SO_4)_2, (Cr jarosite), are typical examples of the Heisenberg antiferromagnet on the kagome lattice and have been investigated by means ...
cond-mat_mtrl-sci
A Temporal Filter to Extract Doped Conducting Polymer Information Features from an Electronic Nose: Identifying relevant machine-learning features for multi-sensing platforms is both an applicative limitation to recognize environments and a necessity to interpret the physical relevance of transducers' complementarity...
cond-mat_mtrl-sci
Electronic structure and properties of pure and doped $ε$-FeSi from ab-initio local density theory: Local density calculations of the electronic structure of FeSi, FeSi_{1-x}Al_x and Fe_{1-x}Ir_xSi systems in the B20 structure are presented. Pure FeSi has a semi-conducting gap of 6 mRy at 0 K. Effects of temperatur...
cond-mat_mtrl-sci
Factors influencing graphene growth on metal surfaces: Graphene forms from a relatively dense, tightly-bound C-adatom gas, when elemental C is deposited on or segregates to the Ru(0001) surface. Nonlinearity of the graphene growth rate with C adatom density suggests that growth proceeds by addition of C atom clusters t...
cond-mat_mtrl-sci
Determining the Fundamental Failure Modes in Ni-rich Lithium Ion Battery Cathodes: Challenges associated with in-service mechanical degradation of Li-ion battery cathodes has prompted a transition from polycrystalline to single crystal cathode materials. Whilst for single crystal materials, dislocation-assisted crack...
cond-mat_mtrl-sci
Experimental exploration of ErB$_2$ and SHAP analysis on a machine-learned model of magnetocaloric materials for materials design: Stimulated by a recent report of a giant magnetocaloric effect in HoB$_2$ found via machine-learning predictions, we have explored the magnetocaloric properties of a related compound ErB$...
cond-mat_mtrl-sci
Origin of training effect of exchange bias in Co/CoO due to irreversible thermoremanent magnetization of the magnetically diluted antiferromagnet: The irreversible thermoremanent magnetization of a sole, magnetically diluted epitaxial antiferromagnetic Co$_{1-y}$O(100) layer is determined by the mean of its thermorem...
cond-mat_mtrl-sci
Intermittency in aging: The fluctuation-dissipation relation (FDR) is measured on the dielectric properties of a gel (Laponite) and of a polymer glass (polycarbonate). For the gel it is found that during the transition from a fluid-like to a solid-like state the fluctuation dissipation theorem is strongly violated. The...
cond-mat_mtrl-sci
Electronic structure and stability of hydrogen defects in diamond and boron doped diamond: A density functional theory study: Isolated hydrogen and hydrogen pairs in bulk diamond matrix have been studied using density functional theory calculations. The electronic structure and stability of isolated and paired hydrog...
cond-mat_mtrl-sci
First-principles based simulations of electronic transmission in ReS$_{2}$/WSe$_{2}$ and ReS$_{2}$/MoSe$_{2}$ type-II vdW heterointerfaces: Electronic transmission in monolayer ReS$_{2}$ and ReS$_{2}$ based van der Waals (vdW) heterointerfaces are studied here. Since ReS$_{2}$/WSe$_{2}$ and ReS$_{2}$/MoSe$_{2}$ type-...
cond-mat_mtrl-sci
Atomic-Scale Tailoring of Chemisorbed Atomic Oxygen on Epitaxial Graphene for Graphene-Based Electronic Devices: Graphene, with its unique band structure, mechanical stability, and high charge mobility, holds great promise for next-generation electronics. Nevertheless, its zero band gap challenges the control of curr...
cond-mat_mtrl-sci
Function follows form: From semiconducting to metallic towards superconducting PbS nanowires by faceting the crystal: In the realm of colloidal nanostructures, with its immense capacity for shape and dimensionality control, the form is undoubtedly a driving factor for the tunability of optical and electrical properti...
cond-mat_mtrl-sci
Quantum effects in graphene monolayers: Path-integral simulations: Path-integral molecular dynamics (PIMD) simulations have been carried out to study the influence of quantum dynamics of carbon atoms on the properties of a single graphene layer. Finite-temperature properties were analyzed in the range from 12 to 2000~K...
cond-mat_mtrl-sci
Elastic and thermodynamic properties of the shape-memory alloy AuZn: The current work reports on the elastic shear moduli, internal friction, and the specific heat of the B2 cubic ordered alloy AuZn as a function of temperature. Measurements were made on single-crystal and polycrystalline samples using Resonant Ultraso...
cond-mat_mtrl-sci
Photo-Hall, photorefractive and photomagnetoelectric effects in tungsten bronzes and related tetragonal ferroelectrics: We present an extensive study of the electric, magnetic and elastic responses of tetragonal ferroelectrics under illumination, using a new theory intertwining material and wave symmetries. Optical r...
cond-mat_mtrl-sci
TC++: First-principles calculation code for solids using the transcorrelated method: TC++ is a free/libre open-source software of the transcorrelated (TC) method for first-principles calculation of solids. Here, the TC method is one of the promising wave-function theories that can be applied to periodic systems with ...
cond-mat_mtrl-sci
Strain engineering of epitaxial oxide heterostructures beyond substrate limitations: The limitation of commercially available single-crystal substrates and the lack of continuous strain tunability preclude the ability to take full advantage of strain engineering for further exploring novel properties and exhaustively...
cond-mat_mtrl-sci
Nanowire growth and sublimation: CdTe quantum dots in ZnTe nanowires: The role of the sublimation of the compound and of the evaporation of the constituents from the gold nanoparticle during the growth of semiconductor nanowires is exemplified with CdTe-ZnTe heterostructures. Operating close to the upper temperature li...
cond-mat_mtrl-sci
Cyclic Ferroelectric Switching and Quantized Charge Transport in CuInP$_2$S$_6$: The van der Waals layered ferroelectric CuInP$_2$S$_6$ has been found to exhibit a variety of intriguing properties arising from the fact that the Cu ions are unusually mobile in this system. While the polarization switching mechanism is...
cond-mat_mtrl-sci
Dzyaloshinskii-Moriya interaction from unquenched orbital angular momentum: Orbitronics is an emerging and fascinating field that explores the utilization of the orbital degree of freedom of electrons for information processing. An increasing number of orbital phenomena are being currently discovered, with spin-orbit...
cond-mat_mtrl-sci
Experimental realization of chiral Landau levels in two-dimensional Dirac cone systems with inhomogeneous effective mass: Chiral zeroth Landau levels are topologically protected bulk states that give rise to chiral anomaly. Previous discussions on such chiral Landau levels are based on three-dimensional Weyl degenera...
cond-mat_mtrl-sci
Designing magnetic properties in CrSBr through hydrostatic pressure and ligand substitution: The ability to control magnetic properties of materials is crucial for fundamental research and underpins many information technologies. In this context, two-dimensional materials are a particularly exciting platform due to t...
cond-mat_mtrl-sci
Discovering Equations that Govern Experimental Materials Stability under Environmental Stress using Scientific Machine Learning: While machine learning (ML) in experimental research has demonstrated impressive predictive capabilities, inductive reasoning and knowledge extraction remain elusive tasks, in part because ...
cond-mat_mtrl-sci
A Bayesian Committee Machine Potential for Organic Nitrogen Compounds: Large-scale computer simulations of chemical atoms are used in a wide range of applications, including batteries, drugs, and more. However, there is a problem with efficiency as it takes a long time due to the large amount of calculation. To solve t...
cond-mat_mtrl-sci