English
Related papers

Related papers: Oriented External Electric Field Modulated Second-…

200 papers

HfO$_{2}$-based ferroelectric thin films are promising for their application in ferroelectric devices. Predicting the ultimate magnitude of polarization and understanding its switching mechanism are critical to realize the optimal…

Materials Science · Physics 2023-04-04 Yao Wu , Yuke Zhang , Jie Jiang , Limei Jiang , Minghua Tang , Yichun Zhou , Min Liao , Qiong Yang , Evgeny Y. Tsymbal

Through the development of new non-fullerene electron acceptor (NFA) materials, such as Y6 and its molecular derivatives, the power conversion efficiencies of organic photovoltaics (OPVs) have now exceeded 19%. However, despite this rapid…

Many applications of metasurfaces require an ability to dynamically change their properties in time domain. Electrical tuning techniques are of particular interest, since they pave a way to on-chip integration of metasurfaces with…

Optics · Physics 2021-01-19 Bofeng Gao , Mengxin Ren , Wei Wu , Wei Cai , Jingjun Xu

Perovskite light-emitting diodes (PeLEDs) have drawn considerable attention for their favorable optoelectronic properties. Perovskite light-emitting electrochemical cells (PeLECs) _ devices that utilize mobile ions _ have recently been…

The magneto-optical longitudinal, transverse Hall and circularly-polarized response of silicene and other materials described by a Kane-Mele Hamiltonian are calculated. Particular attention is paid to the effects of an external electric…

Mesoscale and Nanoscale Physics · Physics 2013-08-29 Calvin J. Tabert , Elisabeth J. Nicol

We study the oxo-hexametallate Li$_7$TaO$_6$ with first-principles and classical molecular dynamics simulations, obtaining a low activation barrier for diffusion of $\sim$0.29 eV and a high ionic conductivity of $5.7 \times 10^{-4}$ S…

First-order electric dipole response functions are implemented for cavity quantum electrodynamics (QED) generalizations of Hartree-Fock (HF) and Kohn-Sham density functional theory (DFT) in order to assess the degree to which static…

Chemical Physics · Physics 2025-07-31 A. Eugene DePrince , Stephen H. Yuwono

We investigate the orientation dependence of Enhanced Ionization (EI) during strong-field-driven nuclear motion in acetylene (C$_2$H$_2$). Here, we both initiate and probe molecular dynamics in acetylene with intense 6-fs cross-polarized…

Atomic Physics · Physics 2024-11-08 S. A. Mohideen , A. J. Howard , C. Cheng , I. Gabalski , A. M. Ghrist , E. Weckwerth , P. H. Bucksbaum

Rare-earth metal oxyhydride compositions are currently attracting increasing attention to develop materials with unusual optical responses. Herein, using computer simulations of the electronic and optical properties, the optical responses…

Materials Science · Physics 2026-01-16 E. Strugovshchikov , A. Pishtshev , S. Karazhanov

We have studied the 7Be(p,photon)8B reaction in the Halo effective field theory (EFT) framework. The leading order (LO) results were published in Phys.Rev.C89,051602(2014) after the isospin mirror process, 7Li(n,photon)8Li, was addressed in…

Nuclear Theory · Physics 2015-08-28 Xilin Zhang , Kenneth M. Nollett , D. R. Phillips

We have measured the optical reflectivity $R(\omega)$ of $Eu_{0.6}Ca_{0.4}B_{6}$ as a function of temperature between 1.5 and 300 $K$ and in external magnetic fields up to 7 $T$. The slope at the onset of the plasma edge feature in…

Strongly Correlated Electrons · Physics 2009-11-10 A. Perucchi , G. Caimi , H. R. Ott , L. Degiorgi , A. D. Bianchi , Z. Fisk

Second order optical nonlinear processes involve the coherent mixing of two electromagnetic waves to generate a new optical frequency, which plays a central role in a variety of applications, such as ultrafast laser systems, rectifiers,…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Sanfeng Wu , Li Mao , Aaron M. Jones , Wang Yao , Chuanwei Zhang , Xiaodong Xu

First-principles calculations are performed to investigate the electro-optic (EO) and elasto-optic effects of the three-dimensional (bulk) and two-dimensional (monolayer) ferroelectric NbOI$_{2}$. Remarkably large linear EO and elasto-optic…

Materials Science · Physics 2024-09-10 Zhenlong Zhang , Xuehan Di , Charles Paillard , Laurent Bellaiche , Zhijun Jiang

Electronic electro-optic (EEO) phase modulation is a key emerging technology for the chip-scale inter-conversion of signals between the electronic and photonic domains. The recent discovery of the ferroelectric nematic ($N_F$) liquid…

Understanding the effect of electric fields on the physical and chemical properties of two-dimensional (2D) nanostructures is instrumental in the design of novel electronic and optoelectronic devices. Several of those properties are…

Mesoscale and Nanoscale Physics · Physics 2014-08-19 Elton J. G. Santos

We develop a practical approach to electrically tuning the nonlinear photoresponse of two-dimensional semiconductors by explicitly incorporating a static out-of-plane electric field into the electronic ground state prior to optical…

Paucity of naturally occurring noncentrosymmetric materials is stimulating growing interest in engineered two-dimensional systems for nonlinear optical applications. Here, we show that breaking inversion symmetry in centrosymmetric bilayer…

Materials Science · Physics 2026-03-27 Vineet Kumar Sharma , Alana Okullo , Barun Ghosh , Arun Bansil , Sugata Chowdhury

Most recently, Cu-hexahydroxybenzene MOF was for the time experimentally realized, through a kinetically controlled approach. Cu-HHB belongs to the family of conductive MOFs with a chemical formula of M3(C6X6)2(X=NH, O, S). Motivated by the…

Mesoscale and Nanoscale Physics · Physics 2019-03-19 Bohayra Mortazavi , Masoud Shahrokhi , Tanveer Hussain , Xiaoying Zhuang , Timon Rabczuk

We probe the density-wave transition of the trilayer nickelate La$_4$Ni$_3$O$_{10}$ with polarization-resolved infrared spectroscopy. The low-energy electrodynamics is strongly anisotropic, with metallic in-plane and insulating out-of-plane…

Engineering the electronic band structure of two-dimensional electron liquids (2DELs) confined at the surface or interface of transition metal oxides is key to unlocking their full potential. Here we describe a new approach to tailoring the…