Coherent transfer of spin through a semiconductor heterointerface

I. Malajovich, J. M. Kikkawa, D. D. Awschalom, J. J. Berry, N. Samarth

Research output: Contribution to journalArticlepeer-review

116 Scopus citations

Abstract

Spin transport between two semiconductors of widely different band gaps is time resolved by two-color pump-probe optical spectroscopy. Electron spin coherence is created in a GaAs substrate and subsequently appears in an adjacent ZnSe epilayer at temperatures ranging from 5 to 300 K. The data show that spin information can be protected by transport to regions of low spin decoherence, and regional boundaries used to control the resulting spin coherent phase.

Original languageEnglish (US)
Pages (from-to)1015-1018
Number of pages4
JournalPhysical Review Letters
Volume84
Issue number5
DOIs
StatePublished - Jan 31 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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