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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002866naa a2200373 4500
001oai:DiVA.org:hig-23222
003SwePub
008170105s1998 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-232222 URI
040 a (SwePub)hig
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Lastras-Martí­nez, L. F.u Max-Planck-Institut für Festkörperforschung, Stuttgart, Germany4 aut
2451 0a Reflectance difference spectroscopy of GaAs asymmetric surface quantum wells above the fundamental gap
264 1c 1998
338 a print2 rdacarrier
520 a We report Reflectance Difference (RD) measurement on (001) GaAs surface quantum wells (QW) under Ultra High Vacuum (UHV) conditions from 1.7 to 5.0eV. The QW is embedded between an arsenic-rich reconstructed GaAs surface and an AlAs barrier. The samples, grown by MBE with a protective arsenic cap layer, were heated to 320 and 430°C to desorb the As layer and form c(4 x 4) and (2 x 4) surface reconstructions, respectively. By modifying the surface reconstructure, we are able to separate the contributions to the optical anisotropy from the surface region (mainly associated with the As dimers) from those originating below the surface.
650 7a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng
650 7a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronik0 (SwePub)2022 hsv//swe
650 7a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineering0 (SwePub)2022 hsv//eng
653 a Energy gap; Molecular beam epitaxy; Reflection; Semiconducting aluminum compounds; Semiconducting gallium arsenide; Semiconductor growth; Spectroscopy; Surface treatment
653 a Aluminum arsenide; Optical anisotropy; Reflectance difference spectroscopy
653 a Semiconductor quantum wells
700a Santos, P. V.u Paul-Drude-Institut für Festkörperelektronik, Berlin, Germany4 aut
700a Rönnow, Danielu Max-Planck-Institut für Festkörperforschung, Stuttgart, Germany4 aut0 (Swepub:hig)dalrow
700a Cardona, M.u Max-Planck-Institut für Festkörperforschung, Stuttgart, Germany4 aut
700a Specht, P.u Max-Planck-Institut für Festkörperforschung, Stuttgart, Germany4 aut
700a Eberl, K.u Max-Planck-Institut für Festkörperforschung, Stuttgart, Germany4 aut
710a Max-Planck-Institut für Festkörperforschung, Stuttgart, Germanyb Paul-Drude-Institut für Festkörperelektronik, Berlin, Germany4 org
773t Physica status solidi. A, Applied researchg 170:2, s. 317-321q 170:2<317-321x 0031-8965x 1521-396X
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-23222

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Lastras-Martí­ne ...
Santos, P. V.
Rönnow, Daniel
Cardona, M.
Specht, P.
Eberl, K.
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NATURAL SCIENCES
NATURAL SCIENCES
and Physical Science ...
ENGINEERING AND TECHNOLOGY
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Physica status s ...
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University of Gävle

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