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First-principles investigation of intrinsic point defects in perovskite CsSnBr3

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (3)

Lead-free perovskites CsSnBr3 were predicted to be promising for photovoltaic applications, yet the measured performance is rather disappointing. To u......

Imaging the spin chirality of ferrimagnetic Neel skyrmions stabilized on topological antiferromagnetic Mn3Sn

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (8)

Neel skyrmions are generally realized in asymmetric multilayers made of heavy metals (HMs) and ultra-thin ferromagnets possessing strong interfacial D......

Intrinsic versus extrinsic orbital and electronic reconstructions at complex oxide interfaces

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (6)

The interface between the insulators LaAlO3 (LAO) and SrTiO3 accommodates a two-dimensional electron liquid (2DEL)-a high-mobility electron system exh......

Carrier localization in quaternary Ga1-xMnxAs1-yPy ferromagnetic semiconductor films

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (1)

Motivated by the fact that holes in the Ga1-xMnxAs family of ferromagnetic semiconductors play a key role in determining their ferromagnetic propertie......

Universal L-3 finite-size effects in the viscoelasticity of amorphous systems

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (3)

We present a theory of viscoelasticity of amorphous media, which takes into account the effects of confinement along one of three spatial dimensions. ......

Quasi-isotropic orbital magnetoresistance in lightly doped SrTiO3

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (6)

A magnetic field parallel to an electrical current does not produce a Lorentz force on the charge carriers. Therefore, orbital longitudinal magnetores......

Dual lattice incommensurabilities and enhanced lattice perfection by low-temperature thermal annealing in photoelectric (CH3NH3)PbBr3

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (2)

The coupling between the organic CH3NH3+ cations and inorganic perovskite PbBr3- framework in a large single crystal of (CH3NH3)PbBr3 weighing 13 g wa......

Origin of the inverse elastocaloric effect in a Ni-rich Ti-Ni shape memory alloy induced by oriented nanoprecipitates

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (5)

In the region of a martensitic transformation, conventional elastocaloric effect causes cooling when the forward parent to martensite transition is in......

Tuning interchain ferromagnetic instability in A(2)Cr(3)As(3) ternary arsenides by chemical pressure and uniaxial strain

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (6)

We analyze the effects of chemical pressure induced by alkali-metal substitution and uniaxial strain on magnetism in the A(2)Cr(3)As(3) (A=Na, K, Rb, ......

Cubic metamaterial crystal supporting broadband isotropic chiral phonons

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (2)

Starting from the achiral body-centered-cubic Wigner-Seitz cell, a truncated octahedron, we design a chiral simple-cubic metamaterial crystal which ex......

Thermal conductivity of bulk In2O3 single crystals

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (1)

The transparent semiconductor In2O3 is a technologically important material. It combines optical transparency in the visible frequency range and sizab......

Directional anisotropy of friction in microscale superlubric graphite/hBN heterojunctions

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (8)

Structural superlubricity is one of the most fascinating tribological concepts, describing the state of almost vanishing friction, which arises from t......

High-pressure synthesis, crystal structure, and properties of iron-based spin-chain compound Ba9Fe3Se15

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (5)

We report the synthesis of a quasi-one-dimensional (1D) iron selenide Ba9Fe3Se15. It was synthesized at high temperature and high pressure of 5.5 GPa ......

Surface and bulk ferroelectric phase transition in super-tetragonal BiFeO3 thin films

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (2)

The temperature-dependent ferroelectric properties of super-tetragonal BiFeO3 are investigated using surface-sensitive low-energy electron microscopy ......

Elastocaloric effect with a broad temperature window and low energy loss in a nanograin Ti-44Ni-5Cu-1Al (at.%) shape memory alloy

期刊: PHYSICAL REVIEW MATERIALS, 2021; 5 (1)

Superelastic Ti-Ni-based shape memory alloys are promising elastocaloric materials for solid-state refrigeration. In this paper, we studied the mechan......

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