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Case study of an In...
Case study of an InAs quantum dot memory : Optical storing and deletion of charge
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- Pettersson, Håkan, 1962- (författare)
- Högskolan i Halmstad,Halmstad Embedded and Intelligent Systems Research (EIS)
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- Bååth, Lars B., 1948- (författare)
- Högskolan i Halmstad,Fotonik och mikrovågsteknik
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- Carlsson, N. (författare)
- Division of Solid State Physics, Lund University, Sweden
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- Seifert, W. (författare)
- Division of Solid State Physics, Lund University, Sweden
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- Samuelson, L. (författare)
- Division of Solid State Physics, Lund University, Sweden
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(creator_code:org_t)
- New York : American Institute of Physics (AIP), 2001
- 2001
- Engelska.
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Ingår i: Applied Physics Letters. - New York : American Institute of Physics (AIP). - 0003-6951 .- 1077-3118. ; 79:1, s. 78-80
- Relaterad länk:
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https://hh.diva-port... (primary) (Raw object)
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http://hh.diva-porta...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We have studied self-assembled InAs quantum dots embedded in an InP matrix using photocapacitance and photocurrent spectroscopy. These dots are potentially promising for memories due to the large confinement energy for holes. In this work we have realized simple quantum dot memory by placing the dots in the space–charge region of a Schottky junction. Our measurements reveal that a maximum of about one hole can be stored per dot. We also find that illumination for an extended period deletes the stored charge. We show that these limitations do not reflect the intrinsic properties of the dots, but rather the sample structure in combination with deep traps present in the sample.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Electronics
- Photocurrent spectroscopy
- Quantum dots
- Indium compounds
- III-V semiconductors
- Semiconductor quantum dots
- Photocapacitance
- Photoconductivity
- Self-assembly
- Space charge
- Schottky barriers
- Deep levels
- Optical storage
- NATURAL SCIENCES
- NATURVETENSKAP
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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