Ferromagnetic III–V heterostructures

H Ohno - Journal of Vacuum Science & Technology B …, 2000 - pubs.aip.org
Properties of the ferromagnetic III–V semiconductor (Ga, Mn) As and heterostructures based
on it are reviewed. A model based on hole-mediated ferromagnetic interaction is shown to …

Spin-dependent phenomena in ferromagnetic/nonmagnetic III–V heterostructures

H Ohno, F Matsukura, Y Ohno - Solid state communications, 2001 - Elsevier
III–V ferromagnetic semiconductors allow epitaxial integration of ferromagnetism with
nonmagnetic semiconductor heterostructures and offer opportunities to explore properties …

Tailoring electronic transparency of twin-plane 1D superlattices

H Tsuzuki, DF Cesar, M Rebello de Sousa Dias… - ACS …, 2011 - ACS Publications
The structural properties of twin-plane superlattices in InP nanowires are systematically
analyzed. First, we employ molecular dynamics simulations to determine the strain fields in …

Optical transitions in a single CdTe spherical quantum dot

SJ Prado, C Trallero-Giner, AM Alcalde… - Physical review B, 2003 - APS
We discuss different aspects of the optical properties in a single CdTe spherical quantum dot
after performing a systematic study of the eigenvalues, wave functions, and their dominant …

Multisubband plasmons: Beyond the parabolicity in the semiclassical model

WJ Pasek, C Deimert, P Goulain, JM Manceau… - Physical Review B, 2022 - APS
This work studies the impact of the nonparabolicity on the formation of multisubband
plasmons. We explore three semiclassical optical response models and compare their …

Tunneling magnetoresistance in GaMnAs∕ AlAs∕ InGaAs∕ AlAs∕ GaMnAs double-barrier magnetic tunnel junctions

S Ohya, PN Hai, M Tanaka - Applied Physics Letters, 2005 - pubs.aip.org
We have studied the tunneling magnetoresistance (TMR) of Ga 0.94 Mn 0.06 As∕ Al As (d
nm)∕ In 0.4 Ga 0.6 As (0.42 nm)∕ Al As (d nm)∕ Ga 0.94 Mn 0.06 As double-barrier …

Ferromagnetic III–V semiconductors and their heterostructures

H Ohno - Semiconductor spintronics and quantum computation, 2002 - Springer
The unique interplay between semiconducting bulk properties and ferromagnetism via
exchange interaction, first discovered in europium chalcogenides (eg EuO) and …

Discrete transparent boundary conditions for transient kp‐Schrödinger equations with application to quantum heterostructures

A Zisowsky, A Arnold, M Ehrhardt… - ZAMM‐Journal of …, 2005 - Wiley Online Library
This work is concerned with transparent boundary conditions (TBCs) for systems of
Schrödinger-type equations, namely the time-dependent kp-Schrödinger equations. These …

Off-resonant absorption in bound-to-continuum p-type quantum wells: Overcoming absorption saturation with doping

F Szmulowicz, T Oogarah, J Ehret, K Mahalingam… - Physical Review B, 2003 - APS
Optimum bound-to-continuum normal-incidence absorption in low-doped (less than 1× 10
12 cm− 2) p-type GaAs/AlGaAs quantum wells obtains for well widths for which the second …

Multichannel field-effect spin-barrier selector: Spin-carrier dynamics under full spin-orbit coupling

GE Marques, ACR Bittencourt, CF Destefani… - Physical Review B …, 2005 - APS
We have studied spin carrier dynamics under full spin-orbit coupling. The anisotropy of
dispersions for independent circular spinor polarizations is explored as a possible vertical …