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Signatures of Wannier-Stark and surface states in electron tunneling and related phenomena: Electron transmission through a tilted band
Univ Uppsala, Dept Phys, S-75121 Uppsala, Sweden Linkoping Univ, IFM, Dept Phys, S-58183 Linkoping, Sweden Bogolyubov Inst Theoret Phys, UA-03143 Kiev, Ukraine.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
2001 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, Vol. 64, no 19, art. no.-195131 p.Article in journal (Refereed) Published
Abstract [en]

As predicted by Wannier in 1960, band states quantization in a constant electric field E-n=const+/-nE, where n= 0,1,2,..., and E is proportional to, the strength of electric field [this kind of spectrum is commonly referred as the Wannier-Stark ladder (WSL)], implies that the probability of tunneling through a tilted band should have E spaced peaks, at least, under the weak coupling of the band states to the source and drain electrodes. It has been discovered however [Phys. Rev. B 63, 235 410 (2001)] that in finite-width crystals, the appearance of the canonical WSL is preceded by WSL's with other level spacing, namely, E-m'/m/(1-2m'/m) where m and m'

Place, publisher, year, edition, pages
2001. Vol. 64, no 19, art. no.-195131 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-49059OAI: diva2:269955
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-13

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Malysheva, Liubov
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The Institute of TechnologyDepartment of Physics, Chemistry and Biology
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