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Abstrakty
EN
We report on the first studies of the optical properties of MBE-grown ZnTe nanowires (NWs). The growth of ZnTe NWs was based on the Au-catalyzed vapour–liquid–solid mechanism and was performed on (001), (011), or (111)B-oriented GaAs substrates. Investigated NWs have a zinc-blende structure, the average diameter of about 30 nm, and typical length between 1 and 2 μm. Their growth axes are oriented along <111>-type directions of the substrate. The structural characterization of the NWs was performed by means of X-ray diffraction, using the synchrotron radiation corresponding to the wavelength of CuKα1 radiation W1 beamline at Hasylab DESY). The macro-Raman spectra of either as-grown NWs on GaAs substrate or of NWs removed from substrate and deposited onto Si were collected at temperatures from 15 K to 295 K using Ar+ and Kr+ laser lines. Strong enhancement of ZnTe-related LO-phonon structure was found for an excitation close to the exciton energy. Our studies revealed also the presence of small trigonal Te precipitates, typical of tellurium compounds.
Rocznik
Strony
1054--1059
Opis fizyczny
Bibliogr. 27 poz., rys., wyk.
Twórcy
  • Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
  • Institut des Nanosciences de Paris, CNRS, UPMC, 140 rue de Lourmel, 75015 Paris, France
autor
  • Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
autor
  • Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
  • Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
autor
  • Institute of High Pressure Physics, PAS, ul. Sokołowska 29/37, 01-142 Warsaw, Poland
  • Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
autor
  • Hasylab at DESY, Notkestr. 85, D-22603 Hamburg, Germany
  • Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
autor
  • Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland
Bibliografia
  • [1] LI Y.,DING Y.,WANG Z., Adv. Mater. 11 (1999), 847.
  • [2] LI L.,YANG Y.,HUANG X.,LI G.,ZHANG L., J. Phys. Chem. B, 109 (2005), 12394.
  • [3] HUO H.B., DAI L., XIA D.Y.,RAN G.Z., YOU L.P., ZHANG B.R., QUI G.G., J. Nanosci. Nanotechnol., 6 (2006), 1182.
  • [4] HUO H.B., DAI L., LIU C., SOU L.P., YANG W.Q., MA R.M., RAN G.Z., QUI G.G., Nanotechn., 17 (2006), 5912.
  • [5] JANIK E., SADOWSKI J., DŁUŻEWSKI P., KRET S., BACZEWSKI T., PETROUTCHIK A., ŁUSAKOWSKA E., WRÓBEL J.,ZALESZCZYK W.,KARCZEWSKI K.,WOJTOWICZ T.,PRESZ A., Appl. Phys. Lett. 89 (2006), 133114.
  • [6] SCHLECHT S., YOSEF M., ZHAO L., PIPPEL E., STEINHART M., Z. Anorg. Allg. Chem., 632 (2006), 2157.
  • [7] FASOLI A.,COLLI A., HOFMANN S., DUCATI C.,ROBERTSON J., FERRARI A.C., Phys. Stat. Sol. B, 243 (2006), 3301.
  • [8] ZHAO L., YOSEF M., PIPPEL E., HOFMEISTER H., STEINHART M., GÖSELE U., SCHLECHT S., Angew. Chem. Int. Ed., 45 (2006), 8042.
  • [9] ZHANG J.Y.,YU W.W.,Appl. Phys. Lett., 89 (2006), 123108.
  • [10] KRAHNE R., CHILLA G., SCHÜLLER C., CARBONE L., KUDERA S., MANNARINI G., MANNA L., HEITMANN D.,CINGOLANI R., Nanoletters, 6 (2006), 478.
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  • [13] NOBILE C., FONOBEROV V.A., KUDERA S., DELLA TORE A., RUFFINO A., CHILLA G., KIPP T., HEITMANN D.,MANNA L.,CINGOLANI R.,BALANDIN A.A.,KRAHNE R.,Nanoletters, 7 (2007), 476.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-7e991a7a-5a98-416d-bad9-46988f9a9bd8
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