Skip to content Skip to navigation
University of Warwick
  • Study
  • |
  • Research
  • |
  • Business
  • |
  • Alumni
  • |
  • News
  • |
  • About

University of Warwick
Publications service & WRAP

Highlight your research

  • WRAP
    • Home
    • Search WRAP
    • Browse by Warwick Author
    • Browse WRAP by Year
    • Browse WRAP by Subject
    • Browse WRAP by Department
    • Browse WRAP by Funder
    • Browse Theses by Department
  • Publications Service
    • Home
    • Search Publications Service
    • Browse by Warwick Author
    • Browse Publications service by Year
    • Browse Publications service by Subject
    • Browse Publications service by Department
    • Browse Publications service by Funder
  • Help & Advice
University of Warwick

The Library

  • Login
  • Admin

Spin-splitting in p-type Ge devices

Tools
- Tools
+ Tools

Holmes, S. N., Newton, P. J., Llandro, J., Mansell, R., Barnes, C. H. W., Morrison, Christopher and Myronov, Maksym (2016) Spin-splitting in p-type Ge devices. Journal of Applied Physics, 120 (8). 085702. doi:10.1063/1.4961416

[img] PDF
WRAP_0770428-px-080916-journal_of_applied_physics_1208_085702_2016..pdf - Published Version - Requires a PDF viewer.

Download (2433Kb)
Official URL: http://dx.doi.org/10.1063/1.4961416

Request Changes to record.

Abstract

Compressively strained Ge quantum well devices have a spin-splitting in applied magnetic field that is entirely consistent with a Zeeman effect in the heavy hole valence band. The spin orientation is determined by the biaxial strain in the quantum well with the relaxed SiGe buffer layers and is quantized in the growth direction perpendicular to the conducting channel. The measured spin-splitting in the resistivity ρxx agrees with the predictions of the Zeeman Hamiltonian where the Shubnikov-deHaas effect exhibits a loss of even filling factor minima in the resistivity ρxx with hole depletion from a gate field, increasing disorder or increasing temperature. There is no measurable Rashba spin-orbit coupling irrespective of the structural inversion asymmetry of the confining potential in low p-doped or undoped Ge quantum wells from a density of 6 × 1010 cm−2 in depletion mode to 1.7 × 1011 cm−2 in enhancement.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Zeeman effect, Nuclear spin
Journal or Publication Title: Journal of Applied Physics
Publisher: American Institute of Physics
ISSN: 0021-8979
Official Date: 23 August 2016
Dates:
DateEvent
23 August 2016Available
7 August 2016Accepted
4 May 2016Submitted
Volume: 120
Number: 8
Article Number: 085702
DOI: 10.1063/1.4961416
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Engineering and Physical Sciences Research Council (EPSRC)
Grant number: EP/J003263/1, EP/J001074/1

Request changes or add full text files to a record

Repository staff actions (login required)

View Item View Item

Downloads

Downloads per month over past year

View more statistics

twitter

Email us: wrap@warwick.ac.uk
Contact Details
About Us