Showing 2020 · cond-mat.mtrl-sciShow all

31 papers · 2 filters

cond-mat.mtrl-sci2020★ 115 cited

High-velocity micro-projectile impact testing

David Veysset, Jae-Hwang Lee, Mostafa Hassani +3

High-velocity microparticle impacts are relevant to many fields from space exploration to additive manufacturing and can be used to help understand the physical and chemical behavi…

cond-mat.mtrl-sci2020★ 45 cited

-phase Inclusions as Common Defects in Alloyed -(AlGa)O and Doped -GaO Films

Celesta S. Chang, Nicholas Tanen, Vladimir Protasenko +5

-GaO is a promising ultra-wide bandgap semiconductor whose properties can be further enhanced by alloying with Al. Here, using atomic-resolution scanning transmission el…

cond-mat.mtrl-sci2020★ 23 cited

Enabling Large-Scale Condensed-Phase Hybrid Density Functional Theory Based Molecular Dynamics II: Extensions to the Isobaric-Isoenthalpic and Isobaric-Isothermal Ensembles

Hsin-Yu Ko, Biswajit Santra, Robert A. DiStasio

In the previous paper of this series [JCTC 2020, 16, 3757], we presented a theoretical and algorithmic framework based on a localized representation of the occupied space that expl…

cond-mat.mtrl-sci2020★ 25 cited

Ultrafast control of material optical properties via the infrared resonant Raman effect

Guru Khalsa, Nicole A. Benedek, Jeffrey Moses

The Raman effect -- inelastic scattering of light by lattice vibrations (phonons) -- produces an optical response closely tied to a material's crystal structure. Here we show that…

cond-mat.mtrl-sci2020★ 80 cited

Adsorption-Controlled Growth of Ga2O3 by Suboxide Molecular-Beam Epitaxy

Patrick Vogt, Felix V. E. Hensling, Kathy Azizie +15

This paper introduces a growth method---suboxide molecular-beam epitaxy (S-MBE)---which enables the growth of Ga2O3 and related materials at growth rates exceeding 1 micrometer per…

cond-mat.mtrl-sci2020★ 20 cited

N-polar GaN/AlN resonant tunneling diodes

YongJin Cho, Jimy Encomendero, Shao-Ting Ho +2

N-polar GaN/AlN resonant tunneling diodes are realized on single-crystal N-polar GaN bulk substrate by plasma-assisted molecular beam epitaxy growth. The room-temperature current-v…

cond-mat.mtrl-sci2020★ 38 cited

Direct Visualization of Trimerized States in 1T'-TaTe

Ismail El Baggari, Nikhil Sivadas, Gregory M. Stiehl +4

Transition-metal dichalcogenides containing tellurium anions show remarkable charge-lattice modulated structures and prominent interlayer character. Using cryogenic scanning transm…

cond-mat.mtrl-sci2020★ 11 cited

Strain game revisited for complex oxide thin-films: Substrate-film thermal expansion mismatch in PbTiO

Ethan T. Ritz, Nicole A. Benedek

The sensitivity of materials properties, particularly those of perovskite oxides, to epitaxial strain has been exploited to great advantage to create materials with new or enhanced…

cond-mat.mtrl-sci2020

Thermal Transport in Polymers: A Review

Xingfei Wei, Zhi Wang, Zhiting Tian +1

In this article, we review thermal transport in polymers with different morphologies from aligned fibers to bulk amorphous states. We survey early and recent efforts in engineering…

cond-mat.mtrl-sci2020★ 26 cited

Unraveling the role of V-V dimer on the vibrational properties of VO by first-principles simulations and Raman spectroscopic analysis

Wasim Raja Mondal, Egor Evlyukhin, Sebastian A. Howard +5

We investigate the vibrational properties of VO2, particularly the low temperature M1 phase by first-principles calculations using the density functional theory as well as Raman sp…

cond-mat.mtrl-sci2020★ 67 cited

Observation of strong bulk damping-like spin-orbit torque in chemically disordered ferromagnetic single layers

Lijun Zhu, Xiyue S. Zhang, David A. Muller +2

Strong damping-like spin-orbit torque (τDL) has great potential for enabling ultrafast energy-efficient magnetic memories, oscillators, and logic. So far, the reported τDL exerted…

cond-mat.mtrl-sci2020★ 21 cited

An unexplored MBE growth mode reveals new properties of superconducting NbN

John Wright, Celesta Chang, Dacen Waters +8

Accessing unexplored conditions in crystal growth often reveals remarkable surprises and new regimes of physical behavior. In this work, performing molecular beam epitaxy of the te…

cond-mat.mtrl-sci2020★ 78 cited

Creation of moiré bands in a monolayer semiconductor by spatially periodic dielectric screening

Yang Xu, Connor Horn, Jiacheng Zhu +9

Moiré superlattices of two-dimensional van der Waals materials have emerged as a powerful platform for designing electronic band structures and discovering emergent physical phenom…

cond-mat.mtrl-sci2020★ 84 cited

Modulation Doping via a 2d Atomic Crystalline Acceptor

Yiping Wang, Jesse Balgley, Eli Gerber +21

Two-dimensional (2d) nano-electronics, plasmonics, and emergent phases require clean and local charge control, calling for layered, crystalline acceptors or donors. Our Raman, phot…

cond-mat.mtrl-sci2020★ 25 cited

Dimensionality-induced change in topological order in multiferroic oxide superlattices

Megan E. Holtz, Elliot S. Padgett, Rachel Steinhardt +5

We construct ferroelectric (LuFeO3)m/(LuFe2O4) superlattices with varying index m to study the effect of confinement on topological defects. We observe a thickness-dependent transi…

cond-mat.mtrl-sci2020★ 26 cited

Interfacial Dzyaloshinskii-Moriya interaction and spin-orbit torque in Au1-xPtx/Co bilayers with varying interfacial spin-orbit coupling

Lijun Zhu, Lujun Zhu, Xin Ma +2

The quantitative roles of the interfacial spin-orbit coupling (SOC) in Dzyaloshinskii-Moriya interaction (DMI) and dampinglike spin-orbit torque (τDL) have remained unsettled after…

cond-mat.mtrl-sci2020★ 7 cited

Ab initio many-body photoemission theory of transverse energy distribution of photoelectrons: PbTe(111) as a case study with experimental comparisons

J. Kevin Nangoi, Siddharth Karkare, Ravishankar Sundararaman +2

This manuscript presents, to our knowledge, the first fully ab initio many-body photoemission framework to predict the transverse momentum distributions and the mean transverse ene…

cond-mat.mtrl-sci2020★ 14 cited

First principles modeling of exciton-polaritons in polydiacetylene chains

Antonios M. Alvertis, Raj Pandya, Claudio Quarti +7

Exciton-polaritons in organic materials are hybrid states that result from the strong interaction of photons and the bound excitons that these materials host. Organic polaritons ho…

cond-mat.mtrl-sci2020★ 8 cited

Correlation induced emergent charge order in metallic vanadium dioxide

Christopher N. Singh, L. F. J Piper, Hanjong Paik +2

Recent progress in growth and characterization of thin-film VO has shown its electronic properties can be significantly modulated by epitaxial matching. To throw new light on t…

cond-mat.mtrl-sci2020★ 19 cited

Theory of the Impact from Grain Boundaries and Substitutional Defects on Superconducting NbSn

Michelle M. Kelley, Nathan S. Sitaraman, Tomás A. Arias

Grain boundaries play a critical role in applications of superconducting NbSn: in dc applications, grain boundaries preserve the material's inherently high critical current den…

cond-mat.mtrl-sci2020★ 62 cited

Correlation-driven eightfold magnetic anisotropy in a two-dimensional oxide monolayer

Zhangzhang Cui, Alexander J. Grutter, Hua Zhou +15

Engineering magnetic anisotropy in two-dimensional systems has enormous scientific and technological implications. The uniaxial anisotropy universally exhibited by two-dimensional…

cond-mat.mtrl-sci2020★ 175 cited

Fingerprints of the Strong Interaction between Monolayer MoS2 and Gold

Matej Velicky, Alvaro Rodriguez, Milan Bousa +9

Gold-mediated exfoliation of MoS2 has attracted considerable interest in the recent years. A strong interaction between MoS2 and Au facilitates preferential production of centimete…

cond-mat.mtrl-sci2020★ 61 cited

Emergent electric field control of phase transformation in oxide superlattices

Di Yi, Yujia Wang, Olaf M. J. van 't Erve +13

Electric fields can transform materials with respect to their structure and properties, enabling various applications ranging from batteries to spintronics. Recently electrolytic g…

cond-mat.mtrl-sci2020★ 22 cited

Atomic defects of the hydrogen-terminated Silicon(100)-2x1 surface imaged with STM and nc-AFM

Jeremiah Croshaw, Thomas Dienel, Taleana Huff +1

The hydrogen-terminated Silicon(100)-2x1 surface (H-Si(100)-2x1) provides a promising platform for the development of atom scale devices, with recent work showing their creation th…