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The nano-SiC doped MgB2/Fe wires were fabricated using a powder-in-tube method and an in-situ reaction process. The depression of Tc with increasing SiC doping level remained rather small due to the counterbalanced effect of Si and C…

The ferroelectric (FE) control of electronic transport is one of the emerging technologies in oxide heterostructures. Many previous studies in FE tunnel junctions (FTJs) exploited solely the differences in the electrostatic potential across…

Quantum bits, or qubits, are an example of coherent circuits envisioned for next-generation computers and detectors. A robust superconducting qubit with a coherent lifetime of $O$(100 $\mu$s) is the transmon: a Josephson junction…

Quantum Physics · Physics 2020-05-11 J. M. Kreikebaum , K. P. O'Brien , A. Morvan , I. Siddiqi

Tunneling measurements are performed on Ca-rich single crystals of Bi2Sr2CaCu2O8+d (Bi2212), with various oxygen doping levels, using a novel point contact method. At 4.2 K, SIN and SIS tunnel junctions are obtained with well-defined…

Superconductivity · Physics 2007-05-23 L. Ozyuzer , J. F. Zasadzinski , K. E. Gray , D. G. Hinks , N. Miyakawa

Using Gutzwiller-projected wave functions, I estimate the ground-state energy of the t-J model for several variational states relevant for high-temperature cuprate superconductors. The results indicate antiferromagnetism and phase…

Superconductivity · Physics 2009-11-10 D. A. Ivanov

We propose the use of resonant tunneling as a route to enhance the spin-transfer torque switching characteristics of magnetic tunnel junctions. The proposed device structure is a resonant tunneling magnetic tunnel junction based on a…

Mesoscale and Nanoscale Physics · Physics 2014-12-16 Niladri Chatterji , Ashwin A Tulapurkar , Bhaskaran Muralidharan

Simultaneously optimizing performances, processability and fabrication cost of organic electronic materials is the continual source of compromise hindering the development of disruptive applications. In this work, we identified a strategy…

Materials Science · Physics 2020-03-11 Khaoula Ferchichi , Ramzi Bourguiga , Kamal Lmimouni , Sebastien Pecqueur

The three-equation model (TEM) was developed in the 1980s to model turbidity currents (TCs) and has been widely used ever since. However, its physical justification was questioned because self-accelerating TCs simulated with the steady TEM…

Geophysics · Physics 2015-08-19 Peng Hu , Thomas Pähtz , Zhiguo He

In doped SrTiO$_{3}$ superconductivity persists down to an exceptionally low concentration of mobile electrons. This restricts the relevant energy window and possible pairing scenarios. We present a study of quantum oscillations and…

It was recently suggested that molecular junctions would be excellent elements for efficient and high-power thermoelectric energy conversion devices. However, experimental measurements of thermoelectric conversion in molecular junctions…

Mesoscale and Nanoscale Physics · Physics 2015-06-09 Elinor Zerah-Harush , Yonatan Dubi

In this work, we investigate the transport phenomena in compound semiconductor material based buried channel Quantum Well MOSFET with a view to developing a simple and effective model for the device current. Device simulation has been…

Mesoscale and Nanoscale Physics · Physics 2020-06-14 Ehsanur Rahman , Abir Shadman , Sudipta Romen Biswas , Kanak Datta , Quazi D. M. Khosru

We propose energy band engineering to enhance tunneling electroresistance (TER) in ferroelectric tunnel junctions (FTJs). We predict that an ultrathin dielectric layer with a smaller band gap, embedded into a ferroelectric barrier layer,…

Materials Science · Physics 2021-08-18 Jing Su , Xingwen Zheng , Zheng Wen , Tao Li , Shijie Xie , Karin M. Rabe , Xiaohui Liu , Evgeny Y. Tsymbal

We discuss how to search for a possibe signal of the recently observed 750 GeV enhancement in the diphoton channel in the four-jet production. In the present studies we assume that the produced state is pseudoscalar. This fact, when…

High Energy Physics - Phenomenology · Physics 2016-07-18 Rafal Maciula , Antoni Szczurek

Despite the intense theoretical and experimental effort, an understanding of the superconducting pairing mechanism of the high-temperature superconductors, leading to an unprecedented high transition temperature $T_c$, is still lacking.…

Superconductivity · Physics 2009-03-06 S. Sykora , K. W. Becker

An unresolved challenge facing electronics at a few-nm scale is that resistive channels start leaking due to quantum tunneling. This affects the performance of nanoscale transistors, with single-molecule devices displaying particularly low…

Pressurized hydrogen-rich compounds, which could be viewed as precompressed metallic hydrogen, exhibit high superconductivity, thereby providing a viable route toward the discovery of high-temperature superconductors. Of particular interest…

Superconductivity · Physics 2021-11-12 Hongyi Guan , Ying Sun , Hanyu Liu

InAs/GaSb and similar materials systems have generated great interest as a heterojunction for tunnel field effect transistors (TFETs) due to favorable band alignment. However, little is currently understood about how such TFETs are affected…

Mesoscale and Nanoscale Physics · Physics 2014-07-02 Ryan M. Iutzi , Eugene A. Fitzgerald

Waste heat recovery improves energy efficiency and reduces greenhouse gas emissions; however, much industrial and environmental heat is wasted at low temperature. Thermomagnetic recovery of waste heat has a high potential for sustainable…

Applied Physics · Physics 2026-05-04 Ali Izadi , Bruno Neumann , Sebastian Fähler

We present a study based on numerical simulations and comparative analysis of recent experimental data concerning the operation and design of FeFETs. Our results show that a proper consideration of charge trapping in the…

Emerging Technologies · Computer Science 2022-09-13 Daniel Lizzit , David Esseni

The current state of Quantum computing (QC) is extremely optimistic, and we are at a point where researchers have produced highly sophisticated quantum algorithms to address far reaching problems. However, it is equally apparent that the…

Quantum Physics · Physics 2026-03-17 Adrian D. Scheppe , Michael V. Pak