56 citations · 202 across the 10 of their papers we have counts for
10 papers
Convert widespread paraelectric perovskite to ferroelectrics
Hongwei Wang, Fujie Tang, Massimiliano Stengel +4
While nature provides a plethora of perovskite materials, only a few exhibits large ferroelectricity and possibly multiferroicity. The majority of perovskite materials have the non…
Hyperbolicity in 2D transition metal ditellurides induced by electronic bands nesting
Hongwei Wang, Tony Low
Naturally occurring hyperbolic plasmonic media is rare, and was only recently observed in the 1T phase of WTe. We elucidate on the physical origin of this strong infrared hy…
Electronic origin of spin-phonon coupling effect in transition-metal perovskites
Hongwei Wang, Lixin He, Hong Jiang +2
By applying Wannier-based extended Kugel-Khomskii model, we carry out first-principles calculations and electronic structure analysis to understand the spin-phonon coupling effect…
Effects of biaxial strain on the improper multiferroicity in h-LuFeO3 films
Kishan Sinha, Yubo Zhang, Xuanyuan Jiang +11
Elastic strain is potentially an important approach in tuning the properties of the improperly multiferroic hexagonal ferrites, the details of which have however been elusive due t…
Surface- and strain-tuning of the optical dielectric function in epitaxially grown CaMnO3
Dominic Imbrenda, Dongyue Yang, Hongwei Wang +6
We report a strong thickness dependence of the complex frequency-dependent optical dielectric function in epitaxial CaMnO3(001) thin films on SrTiO3(001), LaAlO3(001), and SrLaAlO4…
Stabilization of highly polar BiFeO-like structure: a new interface design route for enhanced ferroelectricity in artificial perovskite superlattices
Hongwei Wang, Jianguo Wen, Dean J. Miller +5
In ABO3 perovskites, oxygen octahedron rotations are common structural distortions that can promote large ferroelectricity in BiFeO3 with an R3c structure [1], but suppress ferroel…
Structural and electronic origin of the magnetic structures in hexagonal LuFeO
Hongwei Wang, Igor V. Solovyev, Wenbin Wang +11
Using combined theoretical and experimental approaches, we studied the structural and electronic origin of the magnetic structure in hexagonal LuFeO. Besides showing the strong…
Room temperature multiferroism in CaTcO by interface engineering
Hongwei Wang, Lixin He, Xifan Wu
The structural instabilities of ATcO(A= Ca, Sr, Ba) are investigated by first-principles calculations. In addiction to the large octahedral rotation instability, a weak ferroel…
Cyrstal field splitting and optical band gap of hexagonal LuFeO films
Wenbin Wang, Hongwei Wang, Xiaoying Xu +8
Hexagonal LuFeO films have been studied using x-ray absorption and optical spectroscopy. The crystal splittings of Fe are extracted as =0.7 eV and $E_{a_1…
Interface induced giant magnetoelectric coupling in multiferroic superlattices
Hongwei Wang, Lixin He, Xifan Wu
The electric and magnetic properties of (BaTiO)/(CaMnO) short-period superlattices are studied by the first-principles calculations. The local electric polarization…