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Using modified microscopic model of GPI by taking into account the piezoelectric coupling with strains $\varepsilon_i$ in the frames of two-particle cluster approximation, the components of polarization vector and static dielectric…

材料科学 · 物理学 2017-07-04 I. R. Zachek , R. R. Levitskii , A. S. Vdovych , I. V. Stasyuk

Ultrafast laser induced thermionic emission from metal surfaces has several applications. Here, we investigate the role of laser polarization and angle of incidence on the ultrafast thermionic emission process from laser driven gold coated…

光学 · 物理学 2023-10-19 Mousumi Upadhyay Kahaly , Saibabu Madas , Boris Mesits , Subhendu Kahaly

The results of a detailed study of the topological insulator Bi$_2$Se$_3$ surface state energy structure in the vicinity of surface steps using scanning tunneling microscopy and spectroscopy methods are presented. An increase in the…

材料科学 · 物理学 2017-04-11 N. I. Fedotov , S. V. Zaitsev-Zotov

The ferroelectric thin film properties were calculated in phenomenological theory framework. Surface energy that defined boundary conditions for Euler-Lagrange differential equation was written as surface tension energy. The latter was…

材料科学 · 物理学 2009-11-10 M. D. Glinchuk , A. N. Morozovska

We characterize the role of the spin-orbit coupling between electrons and the confining potential of the edge in nonequilibrium 2D homogeneous electronic gas. We derive a simple analytical result for the magnitude of the current induced…

介观与纳米尺度物理 · 物理学 2011-03-18 Peter Bokes , Frantisek Horvath

We investigate the in-plane oscillations of the relaxed shape graphene due to externally applied tensile edge stress along both the armchair and zigzag directions. We show that the total elastic energy density is enhanced with temperature…

介观与纳米尺度物理 · 物理学 2014-11-20 Sanjay Prabhakar , Roderick Melnik , Luis L. Bonilla , Shyam Badu

We extend our analysis of the three-dimensional response of a vertically polytropic disk to tidal forcing at Lindblad resonances by including the effects of a disk atmosphere. The atmosphere is modeled as an isothermal layer that joins…

天体物理学 · 物理学 2009-10-30 G. I. Ogilvie , S. H. Lubow

Electric double layers (EDL) with counterions only, say electrons with the elementary charge $-e$, in thermal equilibrium at the inverse temperature $\beta$ are considered. In particular, we study the effect of the surface charge modulation…

统计力学 · 物理学 2022-07-26 Ladislav Šamaj

One of the characteristics of disordered semiconductors is the slow thermalization of charge carriers after excitation due to photoabsorption or high electric fields. An elegant way to capture the effects of the latter on the conductivity…

介观与纳米尺度物理 · 物理学 2025-11-18 Anton Kompatscher , Morteza Shokrani , Johanna Feurstein , Martijn Kemerink

Irradiation of the strong light on the material leads to numerous non-linear effects that are essential to understand the physics of excited states of the system and for optoelectronics. Here, we study the non-linear thermoelectric effect…

介观与纳米尺度物理 · 物理学 2021-03-05 Pankaj Bhalla

Thin PbTe films (thickness 500 - 600 angstrom), deposited on SrTiO3, have been investigated by electric field effect (EFE). The high resistivity of such thin films warrants a high sensitivity of the EFE method. The SrTiO3 substrate serves…

其他凝聚态物理 · 物理学 2015-06-25 A. V. Butenko , R. Kahatabi , V. Sandomirsky , Y. Schlesinger , A. Yu. Sipatov , V. V. Volubuev

A new effect, gas amplification of electron energy is reported here; namely when a cylindrical pyroelectric crystal such as (LiNbO3) is contained in a concentric cylindrical chamber and is heated and then allowed to cool in a dilute gas the…

原子物理 · 物理学 2007-05-23 James D. Brownridge , Stephen M. Shafroth

This work details the development of a three-dimensional (3D) electric field model for the LUX detector. The detector took data during two periods of searching for weakly interacting massive particle (WIMP) searches. After the first period…

The heating of a two-dimensional electron gas by an rf electric field generated by a surface acoustic wave, which can be described by an electron temperature $T_e$, has been investigated. It is shown that the energy balance of the electron…

介观与纳米尺度物理 · 物理学 2007-05-23 I. L. Drichko , A. M. D'yakonov , V. D. Kagan , A. M. Kreshchuk , T. A. Polyanskaya , I. G. Savel'ev , I. Yu. Smirnov , A. V. Suslov

In this work, the thermionic cooling effect during thermionic discharges with parallel plate electrodes at 1 Torr is investigated. Time-resolved observation of electron emission and surface temperature is realized in addition to the typical…

等离子体物理 · 物理学 2024-03-11 Junhwi Bak , Albina Tropina , James Creel , Richard B. Miles

Electrohydrodynamic (EHD) flow induced by planar corona discharge in the wall boundary layer region is investigated experimentally and via a multiphysics computational model. The EHD phenomena has many potential engineering applications,…

流体动力学 · 物理学 2019-07-10 Ravi Sankar Vaddi , Yifei Guan , Zhi Yan Chen , Alexander Mamishev , Igor Novosselov

The extended boundary condition method can be used to study planewave scattering by an ellipsoid composed of an orthorhombic dielectric-magnetic material whose relative permittivity dyadic is a scalar multiple of its relative permeability…

Grazing incidence fast atom diffraction at crystal surfaces (GIFAD or FAD) has demonstrated coherent diffraction both at effective energies close to one eV ($\lambda_\perp\approx$ 14 pm for He) and at elevated surface temperatures offering…

化学物理 · 物理学 2022-10-14 Peng Pan , Maxime Debiossac , Philippe Roncin

Excess charge on polar surfaces of ionic compounds is commonly described by the two-dimensional electron gas (2DEG) model, a homogeneous distribution of charge, spatially-confined in a few atomic layers. Here, by combining scanning probe…

The combination of isochoric heating of solids by free electron lasers (FEL) and in situ diagnostics by X-ray Thomson scattering (XRTS) allows for measurements of material properties at warm dense matter (WDM) conditions relevant for…