CHARACTERISTIC TIME SCALES DETERMINING CURRENT FILAMENTATION IN P-GERMANIUM

Authors
HIRSCH M KITTEL A FLATGEN G HUEBENER RP PARISI J
Citation
M. Hirsch et al., CHARACTERISTIC TIME SCALES DETERMINING CURRENT FILAMENTATION IN P-GERMANIUM, Physics letters. A, 186(1-2), 1994, pp. 157-161
Citations number
11
Categorie Soggetti
Physics
Journal title
Physics letters. A → ACNP
ISSN journal
03759601
Volume
186
Issue
1-2
Year of publication
1994
Pages
157 - 161
Database
ISI
SICI code
0375-9601(1994)186:1-2<157:CTSDCF>2.0.ZU;2-L
Abstract
We observe current oscillations occurring during low-temperature elect ric breakdown of slightly doped p-type, germanium under the influence of a transverse magnetic field. The dynamics results from a continuous displacement of current filaments, representing highly conducting cha nnels surrounded by a nearly insulating bulk medium. We characterize t he dynamics by two different time scales. Their parameter dependence d emands for an extended model description.