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Rapid progress in quantum technology has transformed quantum computing and quantum information science from theoretical possibilities into tangible engineering challenges. Breakthroughs in quantum algorithms, quantum simulations, and…

A high resolution non-adiabatic method for measuring the heat capacity ($C_v$) of bulk samples of condensable gases in the range 7.5-70 K is described. In this method $C_v$ is evaluated by directly comparing the heating and cooling rates of…

Materials Science · Physics 2009-10-31 S. Pilla , J. A. Hamida , N. S. Sullivan

In a recent article [Phys. Rev. Applied 5, 024005 (2016)], Gibelli and coworkers proposed a method to determine the thermopower, i.e. the Seebeck coefficient, using photoluminescence measurements. The photoluminescence spectra are used to…

Materials Science · Physics 2018-03-20 Y. Apertet

The operation of quantum dots at highest possible temperatures is desirable for many applications. Capacitance-voltage spectroscopy (C(V)-spectroscopy) measurements are an established instrument to analyze the electronic structure and…

Mesoscale and Nanoscale Physics · Physics 2016-12-19 Fabian Brinks , Andreas D. Wieck , Arne Ludwig

The characterization and analysis of microstructure is the foundation of microstructural science, connecting the materials structure to its composition, process history, and properties. Microstructural quantification traditionally involves…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Elizabeth A. Holm , Ryan Cohn , Nan Gao , Andrew R. Kitahara , Thomas P. Matson , Bo Lei , Srujana Rao Yarasi

An undergraduate level experiment is described to demonstrate the role of probabilistic observations in physics. A capacitor and a DC voltmeter are used to randomly sample an AC voltage source. The resulting probability distribution is…

Physics Education · Physics 2009-11-10 Arvind , P. S. Chandi , R. C. Singh , D. Indumathi , R. Shankar

We demonstrate the capabilities of a high temperature measurement set-up recently developed at our institute. It is dedicated to the characterization of semiconductor devices and test structures in the temperature range from room…

General Physics · Physics 2008-01-08 P. Borthen , G. Wachutka

Quantifying the complexity of systems consisting of many interacting parts has been an important challenge in the field of complex systems in both abstract and applied contexts. One approach, the complexity profile, is a measure of the…

Pattern Formation and Solitons · Physics 2013-06-03 Yavni Bar-Yam , Dion Harmon , Yaneer Bar-Yam

Heterostructures of two-dimensional (2D) and three-dimensional (3D) materials form efficient devices for utilizing the properties of both classes of materials. Graphene/silicon (G/Si) Schottky diodes have been studied extensively with…

Applied Physics · Physics 2020-02-26 Sarah Riazimehr , Melkamu Belete , Satender Kataria , Olof Engström , Max Christian Lemme

High-fidelity numerical methods that model the physical layout of a device are essential for the design of many technologies. For methods that characterize electromagnetic effects, these numerical methods are referred to as computational…

Printed Circuit Board (PCB) assurance in the optical domain is a crucial field of study. Though there are many existing PCB assurance methods using image processing, computer vision (CV), and machine learning (ML), the PCB field is complex…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Wenwei Zhao , Suprith Gurudu , Shayan Taheri , Shajib Ghosh , Mukhil Azhagan Mallaiyan Sathiaseelan , Navid Asadizanjani

Cylindrical vector beam (CVB) is a structured lightwave characterized by its topologically nontrivial nature of the optical polarization. The unique electromagnetic field configuration of CVBs has been exploited to optical tweezers, laser…

Optics · Physics 2019-07-05 Hiroyuki Fujita , Yasuhiro Tada , Masahiro Sato

Various methods for calculating the capacitance of unloaded rolling elements are compared to improve the electric characterization of rolling element bearings. Semi-analytical approximations and finite element simulations are applied and a…

Computational Engineering, Finance, and Science · Computer Science 2022-09-21 Steffen Puchtler , Tobias Schirra , Eckhard Kirchner , Yvonne Späck-Leigsnering , Herbert De Gersem

First prototypes of large area, p-n junction, silicon carbide (SiC) detectors have been produced as part of an ongoing programme to develop a new particle identification wall for the focal plane detector of the MAGNEX magnetic spectrometer,…

Instrumentation and Detectors · Physics 2024-11-07 D. Carbone , A. Spatafora , D. Calvo , F. Guerra , G. A. Brischetto , F. Cappuzzello , M. Cavallaro , M. Ferrero , F. La Via , S. Tudisco

The capacitance of an arbitrarily shaped object is calculated with the same second-kind integral equation method used for computing static and dynamic polarizabilities. The capacitance is simply the dielectric permittivity multiplied by the…

Mesoscale and Nanoscale Physics · Physics 2014-01-09 Titus Sandu , George Boldeiu , Victor Moagar-Poladian

A new particle detector with sub-nanosecond time resolution capable of working in high-rate environment (rate capability of the order of $MHz/ cm^2$) is under developmnet. Semiconductive electrodes with resistivity $\rho$ up to $10^8…

Instrumentation and Detectors · Physics 2020-01-29 A. Rocchi , R. Cardarelli , G. Aielli , E. Alunno Camelia , S. Bruno , A. Caltabiano , P. Camarri , A. Di Ciaccio , B. Liberti , L. Massa , L. Pizzimento

For a transparent well with a known volume capacity, changes in fluid level result in predictable changes in magnification of an overhead light source. For a given well size and fluid, the relationship between volume and magnification can…

Image and Video Processing · Electrical Eng. & Systems 2023-09-22 Pierre V. Baudin , Mircea Teodorescu

An approximate analytical expression for "capacitance" of MWPC configurations circulates in the literature since decades and is copied over and over again. In this paper we will try to show that this formula corresponds to a physical…

Instrumentation and Detectors · Physics 2015-06-26 Patrick Van Esch

An improved method of energy calibration of position-sensitive silicon detector is presented. Instead of the parabolic function used in traditional method, a new function describing the relation of position and energy is introduced and…

Instrumentation and Detectors · Physics 2016-08-03 Mingdao Sun , Tianheng Huang , Zhong Liu , Bing Ding , Huabin Yang , Zhiyuan Zhang , Jianguo Wang , Long Ma , Lin Yu , Yongsheng Wang , Zaiguo Gan , Xiaohong Zhou

A new type of effective atomic pseudopotential for passivation of semiconductor surfaces is presented. It is shown that the spherical approximation used in the effective and empirical pseudopotential methods is not suitable for describing…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 J. R. Cárdenas