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Semiconductor transistors are essential elements of electronic circuits as they enable, for example, the isolation or amplification of voltage signals. While conventional transistors are point-type (lumped-element) devices, it may be highly…

Mesoscale and Nanoscale Physics · Physics 2023-03-01 Tatiana G. Rappoport , Tiago A. Morgado , Sylvain Lannebère , Mário G. Silveirinha

The mechanism of DC-Electric-Field-Induced Second-Harmonic (EFISH) generation at weakly nonlinear buried Si(001)-SiO$_2$ interfaces is studied experimentally in planar Si(001)-SiO$_2$-Cr MOS structures by optical second-harmonic generation…

Following how the electrical transistor revolutionized the field of electronics,the realization of an optical transistor in which the flow of light is controlled optically should open the long-sought era of optical computing and new data…

Silicon nanochannel field effect transistor (FET) biosensors are one of the most promising technologies in the development of highly sensitive and label-free analyte detection for cancer diagnostics. With their exceptional electrical…

Quantitative Methods · Quantitative Biology 2014-01-07 Pritiraj Mohanty , Yu Chen , Xihua Wang , Mi K. Hong , Carol L. Rosenberg , David T. Weaver , Shyamsunder Erramilli

Laser micro-welding is an advanced manufacturing method today applied in various domains. However, important physical limitations have prevented so far to demonstrate its applicability in silicon and other technology-essential…

Applied Physics · Physics 2022-03-31 Pol Sopeña , Andong Wang , Alexandros Mouskeftaras , David Grojo

Injecting spin-polarized carriers into semiconductor lasers provides important opportunities to extend what is known about spintronic devices, as well as to overcome many limitations of conventional (spin-unpolarized) lasers. By developing…

Mesoscale and Nanoscale Physics · Physics 2015-08-27 Paulo E. Faria Junior , Gaofeng Xu , Jeongsu Lee , Nils C. Gerhardt , Guilherme M. Sipahi , Igor Žutić

Providing artificial light and enhancing the quality of the respective light sources is of continued interest in the fields of solid state-, condensed matter, and semiconductor physics. A lot of research has been done to increase luminous…

New configuration of confinement structure is utilized to improve optoelectronic performances, including threshold current, AC current gain as well as optical bandwidth and optical output power of single quantum well transistor laser.…

Mesoscale and Nanoscale Physics · Physics 2016-11-03 Mohammad Hosseini , Hassan Kaatuzian , Iman Taghavi

Silicon-based terahertz quantum cascade lasers (QCLs) offer potential advantages over existing III-V devices. Although coherent electron transport effects are known to be important in QCLs, they have never been considered in Si-based device…

Mesoscale and Nanoscale Physics · Physics 2012-06-13 T. V. Dinh , A. Valavanis , L. J. M. Lever , Z. Ikonić , R. W. Kelsall

In the path toward the integration of organic field effect transistors (OFETs) and logic circuits into low-cost and mass produced consumer products, all-organic devices based on printed semiconductors are one of the best options to meet…

Applied Physics · Physics 2019-12-02 Elena Stucchi , Giorgio Dell'Erba , Paolo Colpani , Yun-Hi Kim , Mario Caironi

Electron beam-induced current (EBIC) imaging in the scanning transmission electron microscope (STEM), STEM-EBIC, provides direct access to carrier transport at the nanoscale. While well established in bulk SEM geometries, its application to…

Mesoscale and Nanoscale Physics · Physics 2025-11-17 Sebastian Schneider , Sebastian Beckert , René Hammer , Markus König , Grigore Moldovan , Darius Pohl

Non-linear absorption phenomena induced by controlled irradiation with a femtosecond laser beam can be used to tailor materials properties within the bulk of substrates. One of the most successful applications of this technique is the…

The electronic wavefunctions of an atom or molecule are affected by its interactions with its environment. These interactions dictate electronic and optical processes at interfaces, and is especially relevant in the case of thin film…

Materials Science · Physics 2021-01-13 Sameer Vajjala Kesava , Moritz K. Riede

The perturbation of a semiconductor from the thermodynamic equilibrium often leads to the display of nonlinear dynamics and formation of spatiotemporal patterns due to the spontaneous generation of competing processes. Here, we describe the…

Materials Science · Physics 2019-09-16 Ebrahim Najafi , Amir Jafari , Bolin Liao , Ahmed Zewail

We present a detailed discussion of extraordinary optoconductance (EOC). Experimental data was acquired via macroscopic metal-semiconductor hybrid structures composed of GaAs and In and subjected to illumination from an Ar ion laser. A…

Materials Science · Physics 2009-11-11 K. A. Wieland , Yun Wang , S. A. Solin , A. M. Girgis , L. R. Ram-Mohan

Thin film solar cells have been attractive for decades in advanced green technology platforms due to its possibilities to be integrated with buildings and on-chip applications. However, the bottleneck issues involved to consider the current…

Applied Physics · Physics 2018-02-07 L. V. Thekkekara , Bouyan Cai

The speed of integrated circuits is ultimately limited by the mobility of electrons or holes, which depend on the effective mass in a semiconductor. Here, building on an analogy with electromagnetic metamaterials and transformation optics,…

Mesoscale and Nanoscale Physics · Physics 2012-08-31 Mario G. Silveirinha , Nader Engheta

Dye-sensitized solar cells (DSC), built upon organic/inorganic hybrid materials, are promising third generation solar cells, which attract wide attentions due to their low-cost, flexibility and environment-friendly properties. We review…

Materials Science · Physics 2015-02-09 Wei Ma , Fan Zhang , Sheng Meng

This work investigates the real-time estimation of the state-of-charge (SoC) of Lithium-ion (Li-ion) cells for reliable, safe and efficient utilization. A novel attractive ellipsoid based sliding-mode observer (AESMO) algorithm is designed…

Systems and Control · Electrical Eng. & Systems 2020-08-18 Anirudh Nath , Raghvendra Gupta , Rohit Mehta , Supreet Singh Bahga , Amit Gupta , Shubhendu Bhasin

The memristive device is one of the basic elements of novel, brain-inspired, fast, and energy-efficient information processing systems in which there is no separation between memorization and information analysis functions. Since the first…