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Pregled bibliografske jedinice broj: 368856

Realization of defect-free epitaxial core-shell GAAs/AlGaAs nanowire heterostructures

Tambe, Michael J.; Lim, Sung Keun; Smith, Matthew J.; Allard, Lawrence F.; Gradečak, Silvija
Realization of defect-free epitaxial core-shell GAAs/AlGaAs nanowire heterostructures // Applied physics letters, 93 (2008), 15; 1917-1 (međunarodna recenzija, članak, znanstveni)

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Naslov
Realization of defect-free epitaxial core-shell GAAs/AlGaAs nanowire heterostructures

Autori
Tambe, Michael J. ; Lim, Sung Keun ; Smith, Matthew J. ; Allard, Lawrence F. ; Gradečak, Silvija

Izvornik
Applied physics letters (0003-6951) 93 (2008), 15; 1917-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
epitaxial core shell; GaAs/AlGaAs; nanowire heterostructures

Sažetak
We report the controlled growth of vertically aligned GaAs/AlGaAs core-shell nanowires. By optimizing the shell deposition temperature and catalyst density we maintain high temperature stability and achieve defect-free epitaxial AlGaAs shell deposition with high aluminum incorporation. Energy dispersive x-ray analysis determines the shell composition to be Al0.9Ga0.1As and measures the uniformity of the shell thickness. Lattice-resolved high-angle annular dark-field scanning transmission electron microscopy images confirm the core-shell interface to be defect-free, epitaxial, and atomically sharp. The ability to realize GaAs/AlGaAs core-shell nanowires with precise control over the morphology and composition is essential to the development of nanowire-based high mobility electronics.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
119-0982886-1009 - Struktura i svojstva posebnih nanomaterijala dobivenih suvremenim tehnikama (Tonejc, Antun, MZOS ) ( CroRIS)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Silvija Gradečak (autor)

scitation.aip.org

Citiraj ovu publikaciju:

Tambe, Michael J.; Lim, Sung Keun; Smith, Matthew J.; Allard, Lawrence F.; Gradečak, Silvija
Realization of defect-free epitaxial core-shell GAAs/AlGaAs nanowire heterostructures // Applied physics letters, 93 (2008), 15; 1917-1 (međunarodna recenzija, članak, znanstveni)
Tambe, M., Lim, S., Smith, M., Allard, L. & Gradečak, S. (2008) Realization of defect-free epitaxial core-shell GAAs/AlGaAs nanowire heterostructures. Applied physics letters, 93 (15), 1917-1.
@article{article, author = {Tambe, Michael J. and Lim, Sung Keun and Smith, Matthew J. and Allard, Lawrence F. and Grade\v{c}ak, Silvija}, year = {2008}, pages = {1917-1-1917-3}, keywords = {epitaxial core shell, GaAs/AlGaAs, nanowire heterostructures}, journal = {Applied physics letters}, volume = {93}, number = {15}, issn = {0003-6951}, title = {Realization of defect-free epitaxial core-shell GAAs/AlGaAs nanowire heterostructures}, keyword = {epitaxial core shell, GaAs/AlGaAs, nanowire heterostructures} }
@article{article, author = {Tambe, Michael J. and Lim, Sung Keun and Smith, Matthew J. and Allard, Lawrence F. and Grade\v{c}ak, Silvija}, year = {2008}, pages = {1917-1-1917-3}, keywords = {epitaxial core shell, GaAs/AlGaAs, nanowire heterostructures}, journal = {Applied physics letters}, volume = {93}, number = {15}, issn = {0003-6951}, title = {Realization of defect-free epitaxial core-shell GAAs/AlGaAs nanowire heterostructures}, keyword = {epitaxial core shell, GaAs/AlGaAs, nanowire heterostructures} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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