Gerhard Fasol - Academia.edu (original) (raw)

Papers by Gerhard Fasol

Research paper thumbnail of Selective Electrodeposition of Magnetic and Metallic Nanostructures onto Semiconductor Templates

Extended abstracts of the... Conference on Solid …, Jan 1, 1997

Research paper thumbnail of 28a-ZX-3 量子細線における自発的スピン偏光

Research paper thumbnail of 半導体デバイスの新しいシミュレーション技術 (III): 量子効果デバイスのシミュレーション技術: 時間依存シュレディンガー方程式を用いた量子輸送シミュレーション

電子情報通信学会誌, Jan 1, 1999

半導体デバイスの新しいシミュレーション技術 (III): 量子効果デバイスのシミュレーション技術: 時間依存シュレディンガー方程式を用いた量子輸送シミュレーション Novel Simulatio... more 半導体デバイスの新しいシミュレーション技術 (III): 量子効果デバイスのシミュレーション技術: 時間依存シュレディンガー方程式を用いた量子輸送シミュレーション Novel Simulation Technology for Semiconductor Devices [III]: Quantum Device Simulation Technologies; Simulating ...

Research paper thumbnail of Japan is a technology super power full of creativity and power to innovate.

Research paper thumbnail of Raman scattering characterization of direct gap Si/Ge superlattices

Proceedings of …, Jan 1, 1991

Raman scattering characterization of direct gap Si/Ge superlattices. [Proceedings of SPIE 1361, 2... more Raman scattering characterization of direct gap Si/Ge superlattices. [Proceedings of SPIE 1361, 293 (1991)]. Julian D. White, Michael A. Gell, Gerhard Fasol, CJ Gibbings, CG Tuppen. Abstract. STRACT We use Raman scattering ...

Research paper thumbnail of CSNSM-CNRS Bat 108 F-91405 Orsay

… effects in small …, Jan 1, 1994

Research paper thumbnail of Simulation of quantum transport of coherent electrons by solving the time-dependent Schrödinger equation

Advances in colloid and interface science, Jan 1, 1997

In the present work, the coherent propagation of electrons is simulated by solving the time-depen... more In the present work, the coherent propagation of electrons is simulated by solving the time-dependent SchrSinger Equation. The underlying purpose of the present work is the simulation, design and analysis of novel high speed electronic devices based on coherent electrons. Electron propagation through periodic lattices of limited size is calculated. Bragg scattering and electron channeling along columns of atoms in the case of large scattering potentials are clearly observed in the simulation. The simulation also clearly demonstrates the transition from weak scattering (Born approximation) to the case of strong scattering. Since the quantum mechanical wave function is determined, the present work also allows the calculation of all quantum mechanical observables, such as current densities, etc. In addition, the present work visualizes quantum transport phenomena. © 1997 Elsevier Science B.V.

Research paper thumbnail of Gamma-> L intervalley and polar optic scattering times in GaAs from cw hot electron luminescence spectroscopy

Proceedings of SPIE, Jan 1, 1990

We deduce the FL intervalley and poiar optic phonon scattering times of hot electrons in bulk GaA... more We deduce the FL intervalley and poiar optic phonon scattering times of hot electrons in bulk GaAs from cw hot (e, A°) luminescence spectra as a function of electron kinetic energy at low excitation densities. We obtain the lifetime broadeningdue to these two processes from ...

Research paper thumbnail of COMMENTS ON SOME MANUSCRIPTS BY LUDWIG BOLTZMANN

… des 75. Jahrestages seines Todes, 5. …, Jan 1, 1982

Research paper thumbnail of Time-resolved Luminiscence in Amourphous Phosphorus

Research paper thumbnail of Raman scattering determination of nonpersistent optical control of electron density in a heterojunction

Proceedings of SPIE, Jan 1, 1991

We show that electronic Raman scattering measurements of the intrasubband plasmon dispersion in a... more We show that electronic Raman scattering measurements of the intrasubband plasmon dispersion in a GaAs/A1GaAs heterojunction is a viable contactless optical method for the determination of sheet carrier density of the two-dimensional electron gas. We ...

Research paper thumbnail of Electron-electron scattering in quantum wells and wires

CONFERENCE SERIES-INSTITUTE OF …, Jan 1, 1993

ABSTRACT: Electron-electron scattering is an important cooling mechanism for hot carriers. It coo... more ABSTRACT: Electron-electron scattering is an important cooling mechanism for hot carriers. It cools and spreads ballistic electron beams and it limits the possible size and noise figure of potential quantum wave devices—but it does not directly affect diffusive transport of cool ...

Research paper thumbnail of Obituary: Masaru Ibuka (1908-97)

Nature, Jan 1, 1998

On 16 December 1947 a group of scientists at Bell Laboratories in the United States, including th... more On 16 December 1947 a group of scientists at Bell Laboratories in the United States, including the eventual Nobel laureates John Bardeen, William Shockley and Walter Brattain, announced that they had developed the transistor. But the device was neither ready for ...

Research paper thumbnail of Experiences of a European Semiconductor Scientist working in Japan

Research paper thumbnail of Shechao Feng UCLA Dept. of Physics UCLA 154705

… effects in small …, Jan 1, 1994

Research paper thumbnail of Infrared technology: applications in electro-optics, photonics devices, and sensors: AR Jha; Wiley, New York, 2000, price£ 107, ISBN 0 471 35033

Research paper thumbnail of Ultrafast Lasers Probe Phenomena in Semiconductors and Superconductors (Proceedings Volume)

... Plasma-phonon interactions. Author(s): Walter E. Bron; Gregory O. Smith; Tibor Juhasz. Hot-ph... more ... Plasma-phonon interactions. Author(s): Walter E. Bron; Gregory O. Smith; Tibor Juhasz. Hot-phonon generation by split-off hole band ... Author(s): Mark Johnson. Ultrafast optical response of YBCO superconductors. Author(s): Lei Shi; GL Huang; Chris Lehane; Jim P. Zheng ...

Research paper thumbnail of Simulating and Visualizing the Dynamics of Coherent Quantum Transport in Strong Magnetic Fields

Extended abstracts of the... Conference on Solid State …, Jan 1, 1997

Research paper thumbnail of Spontaneous spin polarization in quantum wires

Philosophical Magazine B, Jan 1, 1994

A number of recent experiments report spin polarization in quantum wires in the absence of magnet... more A number of recent experiments report spin polarization in quantum wires in the absence of magnetic fields. These observations are in apparent contradiction with the Lieb-Mattis theorem, which forbids spontaneous spin polarization in one dimension. We show that sufficiently strong interactions between electrons induce deviations from the strictly one-dimensional geometry and indeed give rise to a ferromagnetic ground state in a certain range of electron densities.

Research paper thumbnail of MEMS for Mobile Phones-the Japan Perspective

Research paper thumbnail of Selective Electrodeposition of Magnetic and Metallic Nanostructures onto Semiconductor Templates

Extended abstracts of the... Conference on Solid …, Jan 1, 1997

Research paper thumbnail of 28a-ZX-3 量子細線における自発的スピン偏光

Research paper thumbnail of 半導体デバイスの新しいシミュレーション技術 (III): 量子効果デバイスのシミュレーション技術: 時間依存シュレディンガー方程式を用いた量子輸送シミュレーション

電子情報通信学会誌, Jan 1, 1999

半導体デバイスの新しいシミュレーション技術 (III): 量子効果デバイスのシミュレーション技術: 時間依存シュレディンガー方程式を用いた量子輸送シミュレーション Novel Simulatio... more 半導体デバイスの新しいシミュレーション技術 (III): 量子効果デバイスのシミュレーション技術: 時間依存シュレディンガー方程式を用いた量子輸送シミュレーション Novel Simulation Technology for Semiconductor Devices [III]: Quantum Device Simulation Technologies; Simulating ...

Research paper thumbnail of Japan is a technology super power full of creativity and power to innovate.

Research paper thumbnail of Raman scattering characterization of direct gap Si/Ge superlattices

Proceedings of …, Jan 1, 1991

Raman scattering characterization of direct gap Si/Ge superlattices. [Proceedings of SPIE 1361, 2... more Raman scattering characterization of direct gap Si/Ge superlattices. [Proceedings of SPIE 1361, 293 (1991)]. Julian D. White, Michael A. Gell, Gerhard Fasol, CJ Gibbings, CG Tuppen. Abstract. STRACT We use Raman scattering ...

Research paper thumbnail of CSNSM-CNRS Bat 108 F-91405 Orsay

… effects in small …, Jan 1, 1994

Research paper thumbnail of Simulation of quantum transport of coherent electrons by solving the time-dependent Schrödinger equation

Advances in colloid and interface science, Jan 1, 1997

In the present work, the coherent propagation of electrons is simulated by solving the time-depen... more In the present work, the coherent propagation of electrons is simulated by solving the time-dependent SchrSinger Equation. The underlying purpose of the present work is the simulation, design and analysis of novel high speed electronic devices based on coherent electrons. Electron propagation through periodic lattices of limited size is calculated. Bragg scattering and electron channeling along columns of atoms in the case of large scattering potentials are clearly observed in the simulation. The simulation also clearly demonstrates the transition from weak scattering (Born approximation) to the case of strong scattering. Since the quantum mechanical wave function is determined, the present work also allows the calculation of all quantum mechanical observables, such as current densities, etc. In addition, the present work visualizes quantum transport phenomena. © 1997 Elsevier Science B.V.

Research paper thumbnail of Gamma-> L intervalley and polar optic scattering times in GaAs from cw hot electron luminescence spectroscopy

Proceedings of SPIE, Jan 1, 1990

We deduce the FL intervalley and poiar optic phonon scattering times of hot electrons in bulk GaA... more We deduce the FL intervalley and poiar optic phonon scattering times of hot electrons in bulk GaAs from cw hot (e, A°) luminescence spectra as a function of electron kinetic energy at low excitation densities. We obtain the lifetime broadeningdue to these two processes from ...

Research paper thumbnail of COMMENTS ON SOME MANUSCRIPTS BY LUDWIG BOLTZMANN

… des 75. Jahrestages seines Todes, 5. …, Jan 1, 1982

Research paper thumbnail of Time-resolved Luminiscence in Amourphous Phosphorus

Research paper thumbnail of Raman scattering determination of nonpersistent optical control of electron density in a heterojunction

Proceedings of SPIE, Jan 1, 1991

We show that electronic Raman scattering measurements of the intrasubband plasmon dispersion in a... more We show that electronic Raman scattering measurements of the intrasubband plasmon dispersion in a GaAs/A1GaAs heterojunction is a viable contactless optical method for the determination of sheet carrier density of the two-dimensional electron gas. We ...

Research paper thumbnail of Electron-electron scattering in quantum wells and wires

CONFERENCE SERIES-INSTITUTE OF …, Jan 1, 1993

ABSTRACT: Electron-electron scattering is an important cooling mechanism for hot carriers. It coo... more ABSTRACT: Electron-electron scattering is an important cooling mechanism for hot carriers. It cools and spreads ballistic electron beams and it limits the possible size and noise figure of potential quantum wave devices—but it does not directly affect diffusive transport of cool ...

Research paper thumbnail of Obituary: Masaru Ibuka (1908-97)

Nature, Jan 1, 1998

On 16 December 1947 a group of scientists at Bell Laboratories in the United States, including th... more On 16 December 1947 a group of scientists at Bell Laboratories in the United States, including the eventual Nobel laureates John Bardeen, William Shockley and Walter Brattain, announced that they had developed the transistor. But the device was neither ready for ...

Research paper thumbnail of Experiences of a European Semiconductor Scientist working in Japan

Research paper thumbnail of Shechao Feng UCLA Dept. of Physics UCLA 154705

… effects in small …, Jan 1, 1994

Research paper thumbnail of Infrared technology: applications in electro-optics, photonics devices, and sensors: AR Jha; Wiley, New York, 2000, price£ 107, ISBN 0 471 35033

Research paper thumbnail of Ultrafast Lasers Probe Phenomena in Semiconductors and Superconductors (Proceedings Volume)

... Plasma-phonon interactions. Author(s): Walter E. Bron; Gregory O. Smith; Tibor Juhasz. Hot-ph... more ... Plasma-phonon interactions. Author(s): Walter E. Bron; Gregory O. Smith; Tibor Juhasz. Hot-phonon generation by split-off hole band ... Author(s): Mark Johnson. Ultrafast optical response of YBCO superconductors. Author(s): Lei Shi; GL Huang; Chris Lehane; Jim P. Zheng ...

Research paper thumbnail of Simulating and Visualizing the Dynamics of Coherent Quantum Transport in Strong Magnetic Fields

Extended abstracts of the... Conference on Solid State …, Jan 1, 1997

Research paper thumbnail of Spontaneous spin polarization in quantum wires

Philosophical Magazine B, Jan 1, 1994

A number of recent experiments report spin polarization in quantum wires in the absence of magnet... more A number of recent experiments report spin polarization in quantum wires in the absence of magnetic fields. These observations are in apparent contradiction with the Lieb-Mattis theorem, which forbids spontaneous spin polarization in one dimension. We show that sufficiently strong interactions between electrons induce deviations from the strictly one-dimensional geometry and indeed give rise to a ferromagnetic ground state in a certain range of electron densities.

Research paper thumbnail of MEMS for Mobile Phones-the Japan Perspective