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We investigate the coupled dynamics of the local hydrodynamics and global electric response of an electrodialysis system, which consists of an electrolyte solution adjacent to a charge selective membrane under electric forcing. Under a DC…

Fluid Dynamics · Physics 2015-09-22 Joeri de Valenca , R. M. Wagterveld , Rob G. H. Lammertink , Peichun Amy Tsai

The plastic deformation of dilute alloys is often accompanied by plastic instabilities due to dynamic strain aging and dislocation interaction. The repeated breakaway of dislocations from and their recapture by solute atoms leads to stress…

Materials Science · Physics 2009-11-11 A. Sarkar , P. Barat

This study introduces a novel approach utilizing Gaussian process model predictive control (MPC) to stabilize the output voltage of a polymer electrolyte fuel cell (PEFC) system by simultaneously regulating hydrogen and airflow rates. Two…

Systems and Control · Electrical Eng. & Systems 2024-03-26 Xiufei Li , Miao Zhang , Yuanxin Qi , Miao Yang

Conductivity noise in dc current biased La_{0.82}Ca_{0.18}MnO_{3} single crystals has been investigated in different metastable resistivity states enforced by applying voltage pulses to the sample at low temperatures. Noise measured in all…

Strongly Correlated Electrons · Physics 2015-06-12 B. Dolgin , M. Belogolovskii , X. D. Wu , V. Markovich , G. Jung

Using a four-band Hamiltonian, we study the phase boundary of spin-polarized-current state (SPCS) of interacting electrons in bilayer graphene. The model of spin-polarized-current state has previously been shown to resolve a number of…

Strongly Correlated Electrons · Physics 2016-07-05 Xin-Zhong Yan , Yinfeng Ma , C. S. Ting

After a strong electric bias field was applied to a glass sample at temperatures in the millikelvin range its AC-dielectric constant increases and then decays logarithmically with time. For the polyester glass mylar we have observed the…

Disordered Systems and Neural Networks · Physics 2009-11-07 S. Ludwig , P. Nalbach , D. Rosenberg , D. Osheroff

Effects of residual C impurities and Ga vacancies on the dynamic instabilities of AlN/AlGaN/GaN metal insulator semiconductor high electron mobility transistors are investigated. Secondary ion mass spectroscopy, positron annihilation…

This paper analyses the impact of conservation by voltage reduction (CVR) on voltage stability margin (VSM) considering transmission and distribution (T&D) systems. VSM is determined by P-V curve analysis using PSSE and GridLAB-D solvers to…

Signal Processing · Electrical Eng. & Systems 2019-12-25 Alok Kumar Bharati , Venkataramana Ajjarapu , Zhaoyu Wang

The ac losses in a silver-gold alloy sheathed Bi-2223 tape were measured by the null calorimetric method while a dc current was superimposed onto the ac current. As expected through computer simulations, a Clem valley was observed for the…

Superconductivity · Physics 2007-05-23 Benoit des Ligneris , Marcel Aubin , Julian Cave , When Zhu , Patricia Dolez

We report on a healing of defects at room temperature in the organic semiconductor pentacene. This peculiar effect is a direct consequence of the weak intermolecular interaction which is characteristic of organic semiconductors. Pentacene…

Materials Science · Physics 2009-12-21 Wolfgang L. Kalb , Fabian Meier , Kurt Mattenberger , Bertram Batlogg

Silicon carbide is a wide-bandgap semiconductor with an emerging CMOS technology platform and it is widely deployed in high power and harsh environment electronics. This material is also attracting interest for quantum technologies through…

Applied Physics · Physics 2026-05-05 Megan Powell , Euan Parry , Conor McGeough , Alexander Zotov , Alessandro Rossi

Narrow-channel accumulated body nMOSFET devices with p-type side-gates surrounding the active area have been electrically characterized between 100 and 400 K with varied side-gate biasing (Vside). The subthreshold slope (SS) and drain…

The charge response in the barium vanadium sulfide (BaVS3) single crystals is characterized by dc resistivity and low frequency dielectric spectroscopy. A broad relaxation mode in MHz range with huge dielectric constant ~= 10^6 emerges at…

Strongly Correlated Electrons · Physics 2009-11-13 T. Ivek , T. Vuletic , S. Tomic , A. Akrap , H. Berger , L. Forro

We experimentally realize the dual-wavelength active optical clock for the first time. As the Cs cell temperature is kept between 118 $^{\circ }C$ and 144 $^{\circ }C$, both the 1359 nm and the 1470 nm stimulated emission output of Cs…

Atomic Physics · Physics 2014-07-08 Zhichao Xu , Duo Pan , Wei Zhuang , Jingbiao Chen

We investigate the interfacial wave coupling dynamics in liquid metal batteries and their effects to the battery's operation safety. Similar to aluminum reduction cells, liquid metal batteries can be highly susceptible to…

Fluid Dynamics · Physics 2017-08-11 Gerrit Maik Horstmann , Norbert Weber , Tom Weier

This brief examines the behavior of DC circuits comprised of resistively interconnected constant power devices, as may arise in DC microgrids containing micro-sources and constant power loads. We derive a sufficient condition for all…

Optimization and Control · Mathematics 2017-09-21 John W. Simpson-Porco , Florian Dorfler , Francesco Bullo

Traditional long-term microgrid planning models assume constant power charging for battery energy storage systems (BESS), overlooking efficiency losses that occur toward the end of charge due to rising internal resistance. While this issue…

Systems and Control · Electrical Eng. & Systems 2026-03-27 Hassan Zahid Butt , Xingpeng Li

Elucidating the microscopic mechanisms responsible for the charge density wave (CDW) instability of the AV$_3$Sb$_5$ (A=Cs, K, Rb) family of kagome metals is critical for understanding their unique properties, including superconductivity.…

Materials Science · Physics 2023-05-31 Ethan T. Ritz , Rafael M. Fernandes , Turan Birol

We investigate the atomic and electronic structures of cyclooctatetraene (COT) molecules on graphene and analyze their dependence on external gate voltage using first-principles calculations. The external gate voltage is simulated by adding…

Materials Science · Physics 2018-10-15 Sehoon Oh , Michael F. Crommie , Marvin L. Cohen

The multi-phase inverter has become more complicated, particularly in an Electric Vehicle (EV)'s power train, which requires a robust fault protection system. The proposed active short circuit and safe discharge mechanisms are also included…

Systems and Control · Electrical Eng. & Systems 2025-11-12 Siddhesh Pimpale , Sagar Mahadik