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Relaxor ferroelectric perovskites are highly polarizable and can exhibit giant coupling between elastic strain and an applied electric field. Here, we report an in situ extended X-ray absorption fine structure (EXAFS) study of a…

We investigate the optical conductivity, along with longitudinal and transverse conductivities, in buckled hexagonal lattice such as silicene subjected to both an in-plane magnetic field and a perpendicular electric field. In this model, we…

Mesoscale and Nanoscale Physics · Physics 2023-12-27 Phusit Nualpijit , Bumned Soodchomshom

The electric-field noise above a layered structure composed of a planar metal electrode covered by a thin dielectric is evaluated and it is found that the dielectric film considerably increases the noise level, in proportion to its…

Materials Science · Physics 2021-08-06 Muir Kumph , Carsten Henkel , Peter Rabl , Michael Brownnutt , Rainer Blatt

Metal-organic frameworks (MOFs) are an attractive substrate for catalytic reactions due to the high area density of reaction sites and the ability to tailor an array of material attributes. This study focuses on a thermally stable…

Chemical Physics · Physics 2017-04-25 Jiangtian Li , Terence Musho , Joeseph Bright , Nianqiang Wu

Hybrid improper ferroelectricity (HIF) denotes a new class of polar instability by the mixture of two octahedral-distortion modes and can feature the coexistence of abundant head-to-head and tail-to-tail polar domains, of which the domain…

Strongly Correlated Electrons · Physics 2017-11-02 M. H. Lee , C. -P. Chang , F. -T. Huang , G. Y. Guo , B. Gao , C. H. Chen , S. -W. Cheong , M. -W. Chu

We have investigated the electronic and magnetic structures of Sr2FeMoO6 employing site-specific direct probes, namely x-ray absorption spectroscopy with linearly and circularly polarized photons. In contrast to some previous suggestions,…

Strongly Correlated Electrons · Physics 2009-11-07 Sugata Ray , Ashwani Kumar , D. D. Sarma , R. Cimino , S. Turchini , S. Zennaro , N. Zema , .

The electronic transport of electrons and holes through stacks of $\alpha$,$\ome ga$-dicyano-$\beta$,$\beta$'-dibutyl- quaterthiophene (DCNDBQT) as part of a nov el organic ferroic field-effect transistor (OFFET) is investigated. The novel…

Materials Science · Physics 2015-05-14 T. Kunze , S. Gemming , V. Pankoke , K. Morawetz , R. Luschtinetz , G. Seifert

We report the significant enhancement on ultrafast terahertz optical conductivity and the unexpected formation of a polaronic-like state in semiconductor Mn3Si2Te6 at room temperature. With the absorption of pump photons, the low-frequency…

The exchange bias effect is an essential component of magnetic memory and spintronic devices. Whereas recent research has shown that anisotropies perpendicular to the device plane provide superior stability against thermal noise, it has…

Doped HfO2 thin films exhibit robust ferroelectric properties even for nanometric thicknesses, are compatible with current Si technology and thus have great potential for the revival of integrated ferroelectrics. Phase control and…

Metal-organic frameworks (MOFs) stand as one of the most promising materials for the development of advanced technologies owing to their unique combination of properties. The conventional synthesis of MOFs involves a direct reaction of the…

Applied Physics · Physics 2021-01-22 Mario Gutiérrez , Annika F. Möslein , Jin-Chong Tan

The oblique helicoidal structure is formed in right-angle cholesterics under the applied electric field. The electric field changes the pitch and cone angle but preserves the single-harmonic modulation of the refractive index. As a result,…

Soft Condensed Matter · Physics 2025-03-03 Mateusz Mrukiewicz , Martin Cigl , Paweł Perkowski , Jakub Karcz , Věra Hamplová , Alexej Bubnov

Using the molecular strong-field approximation we consider the effects of molecular symmetry on the ionization of molecules by a strong, linearly polarized laser pulse. Electron angular distributions and total ionization yields are…

Electric field-assisted chemistry has attracted much attention in recent years, particularly in the context of oriented external electric fields for controlling molecular structure and reactivity. Such fields have been explored in a wide…

Chemical Physics · Physics 2026-05-08 Duc Anh Lai , Devin A. Matthews

This work presents a combined experimental and theoretical investigation of the nuclear reaction $^{6}$Li + $^{12}$C at a laboratory energy of 68 MeV. The reaction products are identified via the standard $\Delta$E-E technique. Angular…

In ABO3 perovskites, oxygen octahedron rotations are common structural distortions that can promote large ferroelectricity in BiFeO3 with an R3c structure [1], but suppress ferroelectricity in CaTiO3 with a Pbnm symmetry [2]. For many…

Materials Science · Physics 2016-04-05 Hongwei Wang , Jianguo Wen , Dean J. Miller , Qibin Zhou , Mohan Chen , Ho Nyung Lee , Karin M. Rabe , Xifan Wu

Bright blue organic light-emitting diodes (OLEDs) based on 1,4,5,8,N-pentamethylcarbazole (PMC) and on dimer of N-ethylcarbazole (N,N'-diethyl-3,3'-bicarbazyl) (DEC) as emitting layers or as dopants in a…

We report on a photo-induced transient state of YBa2Cu2O6+x in which transport perpendicular to the Cu-O planes becomes highly coherent. This effect is achieved by excitation with mid-infrared optical pulses, tuned to the resonant frequency…

Superconductivity · Physics 2014-06-04 S. Kaiser , C. R. Hunt , D. Nicoletti , W. Hu , I. Gierz , H. Y. Liu , M. Le Tacon , T. Loew , D. Haug , B. Keimer , A. Cavalleri

Herein we demonstrate the ability to optically tune the mobility of electrically powered Janus particles (JP) that are half coated with various Zinc Oxide (ZnO) semiconducting layers, i.e. polycrystalline, amorphous and amorphous with a…

Materials Science · Physics 2022-07-18 Matan Zehavi , Daniel Sofer , Touvia Miloh , Orlin Velev , Gilad Yossifon

We observed electromagnetically induced transparency (EIT) and dark fluorescence in a cascade three-level diatomic Lithium system using Optical-Optical Double Resonance (OODR) spectroscopy. When a strong coupling laser couples the…

Quantum Physics · Physics 2009-11-11 Jianbing Qi , A. Marjatta Lyyra