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Internal jet structure in dijet production in deep-inelastic scattering is measured with the H1 detector at HERA. Jets with transverse energies ET,Breit > 5 GeV are selected in the Breit frame employing k_perp and cone jet algorithms. In…

High Energy Physics - Experiment · Physics 2008-11-26 C. Adloff

We report on infrared (IR) spectro-microscopy of the electronic excitations in nanometer-thick accumulation layers in FET devices based on poly(3-hexylthiophene). IR data allows us to explore the charge injection landscape and uncovers the…

Soft Condensed Matter · Physics 2015-06-25 Z. Q. Li , G. M. Wang , N. Sai , D. Moses , M. C. Martin , M. Di Ventra , A. J. Heeger , D. N. Basov

Suspended graphene membrane presents a particular structure with fundamental interests and applications in nanomechanics, thermal transport and optoelectronics. Till now, the commonly used geometries are still quite simple and limited to…

Mesoscale and Nanoscale Physics · Physics 2018-06-06 Julien Chaste , Amina Saadani , Alexandre Jaffre , Ali Madouri , José Alvarez , Debora Pierucci , Zeineb Ben Aziza , Abdelkarim Ouerghi

We study gated field effect transistors (FETs) with fractal geometries under Dyakonov and Shur asymmetric boundary conditions, where the source and drain span the left and right edges of the device respectively. An AC THz potential…

Mesoscale and Nanoscale Physics · Physics 2023-03-02 Bailey Winstanley , Alessandro Principi

The spatially-resolved laser-based high resolution angle resolved photoemission spectroscopy (ARPES) measurements have been performed on the optimally-doped HgBa$_2$Ca$_2$Cu$_3$O$_{8+\delta}$ (Hg1223) superconductor with a $T_c$ at 133 K.…

We investigate theoretically the optical properties associated to plasmon resonances of metal nanowires with cross section given by low-order Chebyshev nanoparticles (like rounded-tip nanostars or nanoflowers). The impact of the nanoflower…

Optics · Physics 2009-10-23 V. Giannini , R. Rodriguez-Oliveros , J. A. Sanchez-Gil

Ordered Ag nanowire arrays with high aspect ratio and high density self-supporting Ag nanowire patterns were successfully prepared using potentiostatic electrodeposition within the confined nanochannels of a commercial porous anodic…

Materials Science · Physics 2011-06-15 Baoliang Sun , Xiaohong Jiang , Shuxi Dai , Zuliang Du

Spectroscopic analysis of large biomolecules is critical in a number of applications, including medical diagnostics and label-free biosensing. Recently, it has been shown that Raman spectroscopy of proteins can be used to diagnose some…

We theoretically analyze the intensity of the resonant inelastic X-ray scattering (RIXS) based on Ansatz that the electron is fractionalized into two components. By fitting the angle resolved photoemission spectroscopy (ARPES) data of a…

Strongly Correlated Electrons · Physics 2021-07-26 Masatoshi Imada

Earlier we have proposed a new approach to the analysis of superconducting phase diagrams for cuprates and pnictides and have shown that the positions of superconducting domes on the diagrams can be predicted with high accuracy proceeding…

Superconductivity · Physics 2019-03-26 K. V. Mitsen , O. M. Ivanenko

Chemical, mechanical, thermal and/or electronic properties of bulk or low-dimensional materials can be engineered by introducing structural defects to form novel functionalities. When using particles irradiation, these defects can be…

Materials Science · Physics 2022-02-07 L. Basta , A. Moscardini , S. Veronesi , F. Bianco

Two-dimensional (2D) crystals, such as graphene, hexagonal boron nitride and transitional metal dichalcogenides, have attracted tremendous amount of attention over the past decade due to their extraordinary thermal, electrical and optical…

Materials Science · Physics 2017-02-16 Y. Zhao , Z. Wan , U. Hetmaniuk , M. P. Anantram

Surface enhanced Raman spectroscopy (SERS) is a useful multidisciplinary analytic technique. However, it is still a challenge to produce SERS substrates that are highly sensitive, reproducible, stable, reusable, and scalable. Here, we…

Mesoscale and Nanoscale Physics · Physics 2016-07-14 Qiran Cai , Srikanth Mateti , Wenrong Yang , Rob Jones , Kenji Watanabe , Takashi Taniguchi , Shaoming Huang , Ying Chen , Lu Hua Li

We present the findings of the superconductivity observed in the silicon nanostructures prepared by short time diffusion of boron on the n-type Si(100) surface. These Si-based nanostructures represent the p-type ultra-narrow self-assembled…

Superconductivity · Physics 2009-11-11 N. T. Bagraev , W. Gehlhoff , L. E. Klyachkin , A. M. Malyarenko , V. V. Romanov , S. A. Rykov

The short diffusion lengths in insertion battery nanoparticles render the capacitive behavior of bounded diffusion, which is rarely observable with conventional larger particles, now accessible to impedance measurements. Coupled with…

Chemical Physics · Physics 2012-05-31 J. Song , M. Z. Bazant

Lack of inversion symmetry in metals breaks SU(2) symmetry which results in spin-splitting of the electronic states at the Fermi level due to various types of spin-orbit coupling (SOC) such as Dresselhaus, Rashba, or Ising (also called…

Mesoscale and Nanoscale Physics · Physics 2026-04-02 Mojdeh Saleh , Saurabh Maiti

In this second paper, we develop transferable semi-empirical parameters for the technologically important material, silicon, using Extended Huckel Theory (EHT) to calculate its electronic structure. The EHT-parameters areoptimized to…

Materials Science · Physics 2009-11-11 Diego Kienle , Jorge I. Cerda , Kirk H. Bevan , Gengchiau Liang , Lutfe Siddiqui , Avik W. Ghosh

New materials such as nodal-line semimetals offer a unique setting for novel transport phenomena. Here, we calculate the quantum correction to conductivity in a disordered nodal-line semimetal. The torus-shaped Fermi surface and encircled…

Mesoscale and Nanoscale Physics · Physics 2019-05-21 Wei Chen , Hai-Zhou Lu , Oded Zilberberg

The electronic structure of nanocylinder without and with a small perturbation is investigated with the help of calculation of the local density of states. A continuum gauge field-theory model is used for this purpose. In this model, Dirac…

Materials Science · Physics 2014-12-23 R. Pincak , J. Smotlacha , M. Pudlak

The electronic structure of low-density n-type SrTiO3 delta-doped heterostructures is investigated by angular dependent Shubnikov-de Haas oscillations. In addition to a controllable crossover from a three- to two-dimensional Fermi surface,…

Strongly Correlated Electrons · Physics 2015-05-27 M. Kim , C. Bell , Y. Kozuka , M. Kurita , Y. Hikita , H. Y. Hwang