Sökning: id:"swepub:oai:lup.lub.lu.se:8df2c566-ca44-484d-808c-7a14393e0df4" >
Band-Edge Diagrams ...
Band-Edge Diagrams of Core-Shell Semiconductor Dots
-
- Pistol, Mats-Erik (författare)
- Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
-
Pryor, C. E. (författare)
-
(creator_code:org_t)
- 2011-05-16
- 2011
- Engelska.
-
Ingår i: Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 115:22, s. 10931-10939
- Relaterad länk:
-
http://dx.doi.org/10...
-
visa fler...
-
https://lup.lub.lu.s...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- We have calculated band-edge diagrams for spherical core shell nanocrystal quantum dots for all combinations of AlN, GaN, and InN, as well as all combinations of AlP, GaP, AlAs, GaAs, InP, In As, AlSb, GaSb, and LnSb, as a function of core radius, with the outer radius of the shell held fixed. We have calculated the Gamma- and the X-conduction band minima, the valence band maximum, and the effective masses using strain-dependent eight-band kp theory, with a linear continuum model for the strain. We have found all the band alignments that may occur, and identified all combinations where one material becomes metallic due to a negative gap. Structures which are suitable for biological applications have been identified. We provide a figure which allows easy calculation of the confinement energy using a single band model.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
Hitta via bibliotek
Till lärosätets databas