Incident-angle dependence of catastrophic dechanneling for strained-layer superlattices

Journal Article · Mon May 27 04:00:00 EDT 1985 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.54.2355· OSTI ID:5424951

Picraux, S T; Allen, W R; Biefeld, R M; Ellison, J A; Chu, W K

A strong asymmetry has been observed in the angular dependence of the catastrophic dechanneling depth in strained-layer superlattices. This new effect occurs under resonance conditions, where the wavelength of the planar channeled particles equals the period of the superlattice, and is demonstrated for )110) planar channeling in GaP/GaAs/sub x/P/sub 1-x/. A theoretical, phase-plane analysis shows that the angular tilt required for shifting of the catastrophic depth by one layer is a direct measure of the strain in the first few layers.

• Research Organization: Sandia National Laboratories, Albuquerque, New Mexico 87185
• DOE Contract Number: AC04-76DP00789
• OSTI ID: 5424951
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 54:21; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
ARSENIC COMPOUNDS
ARSENIDES
ASYMMETRY
BACKSCATTERING
CHANNELING
EVEN-EVEN NUCLEI
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
GALLIUM PHOSPHIDES
HELIUM 4
HELIUM ISOTOPES
INCIDENCE ANGLE
ION CHANNELING
ISOTOPES
LIGHT NUCLEI
NUCLEI
PHOSPHIDES
PHOSPHORUS COMPOUNDS
PNICTIDES
RESONANCE
SCATTERING
SPACE DEPENDENCE
STABLE ISOTOPES
STRAINS
SUPERLATTICES