English
Related papers

Related papers: Temperature-dependent dielectric function of intri…

200 papers

We measured the absolute lengths of three single crystal silicon samples by means of an imaging Twyman-Green interferometer in the temperature range from 7 K to 293 K with uncertainties of about 1 nm. From these measurements we extract the…

Materials Science · Physics 2016-08-08 Thomas Middelmann , Alexander Walkov , Guido Bartl , René Schödel

We report on the temperature dependence of the dielectric tensor elements of $n$-type conductive $\beta$-Ga$_2$O$_3$ from 22$^\circ$C-500$^\circ$C in the spectral range of 1.5~eV--6.4~eV. We present the temperature dependence of the…

Materials Science · Physics 2018-02-14 A. Mock , J. VanDerslice , R. Korlacki , J. A. Woollam , M. Schubert

In this work we compare Monte Carlo (MC) simulations of electron transport properties with reflection electron energy loss measurements in diamond and graphite films. We assess the impact of different approximations of the dielectric…

Using the exact renormalization group we calculate the momentum-dependent self-energy Sigma (k) at zero frequency of weakly interacting bosons at the critical temperature T_c of Bose-Einstein condensation in dimensions 3 <= D < 4. We obtain…

Statistical Mechanics · Physics 2009-11-10 Sascha Ledowski , Nils Hasselmann , Peter Kopietz

We analyze the dielectric-function spectra of low dimensional transition metal dichalcogenides (TMDCs) using a fully analytical model of the complex dielectric function that is applicable in fractional dimensional space. We extract the…

Materials Science · Physics 2018-12-04 A. Thilagam

This paper is devoted to the study of photothermal transformations in multilayered structures. As a modelled sample, porous silicon with a periodic distribution of the porosity was chosen. The spatial distribution of the optical properties…

Materials Science · Physics 2019-07-11 K. Dubyk , L. Chepela , P. Lishchuk , A. Belarouci , D. Lacroix , M. Isaiev

The energy dependent thermoelectric response of a single molecule contains valuable information about its transmission function and its excited states. However, measuring it requires devices that can efficiently heat up one side of the…

The thermal characteristics of silicon between 15 and 300 deg K are investigated by applying a computer program on the solution of the differential heat diffusion equation. The computer model is linked to high-purity silicon through a set…

Materials Science · Physics 2007-08-31 H. Diedrich , R. Liberati

We report the temperature dependent dielectric properties and impedance spectroscopy investigation of Na$_3$Zr$_2$Si$_2$PO$_{12}$ in the frequency range of 20 Hz--2 MHz. The Rietveld refinement of x-ray diffraction pattern confirms the…

Materials Science · Physics 2022-11-23 Ramcharan Meena , Rajendra S. Dhaka

Thermal management at silicon-diamond interface is critical for advancing high-performance electronic and optoelectronic devices. In this study, we calculate the interfacial thermal conductance between silicon and diamond using machine…

The remarkable finding of this work is the linear correlation between the critical temperature of superconducting (SC) transition, Tc, and the room-temperature half-width of angular correlation of positron annihila- tion phonons (ACPAP),…

Superconductivity · Physics 2007-05-23 Valery P. Kisel , Adkham A. Paiziev , Arkady D. Styrkas

The temperature dependence of an integer Quantum Hall effect transition is studied in a sample where the disorder is dominated by short-ranged potential scattering. At low temperatures the results are consistent with a $(T/T_0)^{\kappa}$…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 P. T. Coleridge , P. Zawadzki

Non-ionising energy loss of radiation produces point defects and defect clusters in silicon, which result in a signifcant degradation of sensor performance. In this contribution results from TSC (Thermally Stimulated Current) defect…

We explore the scaling description for a two-dimensional metal-insulator transition (MIT) of electrons in silicon. Near the MIT, $\beta_{T}/p = (-1/p)d(\ln g)/d(\ln T)$ is universal (with $p$, a sample dependent exponent, determined…

Mesoscale and Nanoscale Physics · Physics 2009-09-25 Nam-Jung Kim , Dragana Popovic , S. Washburn

A method is proposed for the inclusion of electron correlation in the calculation of the temperature dependence of band structures arising from electron-phonon coupling. It relies on an efficient exploration of the vibrational phase space…

Materials Science · Physics 2016-03-04 Bartomeu Monserrat

The thermoelectric response of high mobility single layer epitaxial graphene on silicon carbide substrates as a function of temperature and magnetic field have been investigated. For the temperature dependence of the thermopower, a strong…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Xiaosong Wu , Yike Hu , Ming Ruan , Nerasoa K. Madiomanana , Claire Berger , Walt A. de Heer

Recently, detailed calculations of the excitonic insulator phase model adapted to the case of 1\textit{T}-TiSe$_2$ have been presented. Through the spectral function theoretical photoemission intensity maps can be generated which are in…

Strongly Correlated Electrons · Physics 2015-05-13 C. Monney , H. Cercellier , F. Clerc , C. Battaglia , E. F. Schwier , C. Didiot , M. G. Garnier , H. Beck , P. Aebi

The optical properties of clusters with metallic spherical particles embedded in an insulating matrix are studied. A theoretical approach is proposed for the calculation of the macroscopic dielectric response for a collection of spheres at…

Soft Condensed Matter · Physics 2009-10-31 Leonid G. Grechko , Vitaly N. Pustovit , Keith W. Whites

We present a detailed study of the heating effects in dielectric measurements carried out on a liquid. Such effects come from the dissipation of the electric power in the liquid and give a contribution to the nonlinear third harmonics…

Soft Condensed Matter · Physics 2015-05-20 C. Brun , C. Crauste-Thibierge , F. Ladieu , D. L'Hôte

We report infrared spectroscopic properties of the strongly correlated layered cobalt oxide [BiBa$_{0.66}$K$_{0.36}$O$_2$]CoO$_2$. These measurements performed on single crystals allow us to determine the optical conductivity as a function…

Strongly Correlated Electrons · Physics 2013-01-15 P. Limelette , V. Ta Phuoc , F. Gervais , R. Fresard