10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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20 papers · 2 filters
VI3 - a new layered ferromagnetic semiconductor
Tai Kong, Karoline Stolze, Erik I. Timmons +6
Two-dimensional (2D) materials are promising candidates for next-generation electronic devices. In this regime, insulating 2D ferromagnets, which remain rare, are of special import…
The use of strain to tailor electronic thermoelectric transport properties: A first principles study of 2H-phase CuAlO2
Evan Witkoske, David Guzman, Yining Feng +3
Using first principles calculations, the use of strain to adjust electronic transport and the resultant thermoelectric (TE) properties is discussed using 2H phase CuAlO2 as a test…
Perfect separation of intraband and interband excitations in PdCoO
C. C. Homes, S. Khim, A. P. Mackenzie
The temperature dependence of the optical properties of the delafossite PdCoO has been measured in the a-b planes over a wide frequency range. The optical conductivity due to t…
Size-dependent lattice dynamics of atomically precise cadmium selenide quantum dots
Chenyang Shi, Alexander N. Beecher, Yan Li +5
Material properties depend sensitively on the atomic arrangements and atomic bonding, but these are notoriously difficult to measure in nanosized atomic clusters due to the small s…
Thickness-dependent self-polarization-induced intrinsic magnetoelectric effects in La0.67Sr0.33MnO3/PbZr0.52Ti0.48O3 heterostructures
Xiaoqian Yu, Lijun Wu, Bangmin Zhang +9
The self-polarization of PbZr0.52Ti0.48O3 thin film is switched by changing film thickness through the competition between the strain relaxation-induced flexoelectric fields and th…
Material design of indium based compounds: possible candidates for charge, valence, and bond disproportionation and superconductivity
Chang-Jong Kang, Gabriel Kotliar
We design and investigate the physical properties of new indium compounds AInX (A = alkali metals, X = F or Cl). We find nine new In based materials in their ground state and…
Electronic structure and thermoelectric properties of CoAsSb with post-DFT approaches
Andrey L. Kutepov, Anthony Ruth
We study the electronic structure and thermoelectric properties of recently synthesized CoAsSb. The calculated bandgap becomes more accurate for increasingly-complex electronic str…
Evidence of spin-phonon coupling in CrSiTe
A. Milosavljević, A. Šolajić, J. Pešić +4
We present the Raman scattering results on layered 2D semiconducting ferromagnetic compound CrSiTe. Four Raman active modes, predicted by symmetry, have been observed and assig…
Lattice dynamics and phase transition in CrI single crystals
S. Djurdjić-Mijin, A. Šolajić, J. Pešić +6
The vibrational properties of single crystals were investigated using Raman spectroscopy and were analyzed with respect to the changes of the crystal structure. Al…
Three-dimensional quantum Hall effect and metal-insulator transition in ZrTe5
Fangdong Tang, Yafei Ren, Peipei Wang +8
Symmetry, dimensionality, and interaction are crucial ingredients for phase transitions and quantum states of matter. As a prominent example, the integer quantum Hall effect (QHE)…
Nature of the metal-insulator transition in few-unit-cell-thick LaNiO3 films
M. Golalikhani, Q. Lei, R. U. Chandrasena +13
The nature of the metal insulator transition in thin films and superlattices of LaNiO3 with only few unit cells in thickness remains elusive despite tremendous effort. Quantum conf…
Decomposition of La2-xSrxCuO4 into Several La2O3 Phases at Elevated Temperatures in Ultra-High Vacuum inside a Transmission Electron Microscope
Jong Seok Jeong, Wangzhou Wu, Mehmet Topsakal +4
We report the decomposition of La2-xSrxCuO4 into La2O3 and Cu nanoparticles in ultra-high vacuum, observed by in-situ heating experiments in a transmission electron microscope (TEM…
Emphanitic anharmonicity in PbSe at high temperature and the anomalous electronic properties in the PbQ (Q=S, Se, Te) system
Runze Yu, Emil S. Bozin, Milinda Abeykoon +5
The temperature dependence of the local structure of PbSe has been investigated using pair distribution function (PDF) analysis of x-ray and neutron powder diffraction data and den…
Observation of Double Weyl Phonons in Parity-Breaking FeSi
H. Miao, T. T. Zhang, L. Wang +7
Condensed matter systems have now become a fertile ground to discover emerging topological quasi-particles with symmetry protected modes. While many studies have focused on Fermion…
Artificial two-dimensional polar metal at room temperature
Yanwei Cao, Zhen Wang, Se Young Park +16
Polar metals, commonly defined by the coexistence of polar crystal structure and metallicity, are thought to be scarce because the long-range electrostatic fields favoring the pola…
Study for material analogs of FeSb: material design for thermoelectric materials
Chang-Jong Kang, Gabriel Kotliar
Using the \emph{ab initio} evolutionary algorithm (implemented in USPEX) and electronic structure calculations we investigate the properties of a new thermoelectric material FeSbAs…
Spin-wave induced phonon resonance in multiferroic BiFeO
Zhijun Xu, J. A. Schneeloch, Jinsheng Wen +13
We report the direct observation of a "resonance" mode in the lowest-energy optic phonon very near the zone center around (111) in the multiferroic BiFeO using neutron scatteri…
Free-standing bialkali photocathodes using atomically thin substrates
Hisato Yamaguchi, Fangze Liu, Jeffrey DeFazio +10
We report successful deposition of high quantum efficiency (QE) bialkali antimonide K2CsSb photocathodes on graphene films. The results pave a pathway towards an ultimate goal of e…
Higher-Order Topology in Bismuth
Frank Schindler, Zhijun Wang, Maia G. Vergniory +12
The mathematical field of topology has become a framework to describe the low-energy electronic structure of crystalline solids. A typical feature of a bulk insulating three-dimens…
Combined computational and experimental investigation of the La-Cu-S-O quaternary system
Hua He, Chuck-Hou Yee, Daniel E. McNally +11
The lack of a mechanistic framework for chemical reactions forming inorganic extended solids presents a challenge to accelerated materials discovery. We demonstrate here a combined…