Published April 18, 2007 | Version v1
Journal article Metadata-only

Effect of substrate orientation on the catalyst-free growth of InP nanowires

Creators

  • 1. Micro and Nanotechnology Laboratory, Helsinki University of Technology, Micronova, PO Box 3500, FIN-02015 TKK (Finland)
  • 2. VTT Biotechnology, PO Box 1000, FIN-02044 VTT (Finland)

Description

We report the fabrication of self-catalysed InP nanowires on (111)B, (111)A, (110), and (001) InP substrates. Indium droplets, deposited in situ using metalorganic vapour phase epitaxy, are used as seeds for nanowire growth. The preferential nanowire growth direction is always <111> on (111)B (111)A, and (110) oriented substrates. On (111)A substrates some initial growth in the [111]A direction is observed before kinking into one of the available <111>B directions. The nanowires are optically active at room temperature. On (001) substrates no nanowire growth off the substrate is observed. However, growth still takes place in the two possible equivalent <111>B azimuthal directions

Additional details

Identifiers

DOI
10.1088/0957-4484/18/15/155301;
PII
S0957-4484(07)42243-7;

Publishing Information

Journal Title
Nanotechnology (Print)
Journal Volume
18
Journal Issue
15
Journal Page Range
p. 155301
ISSN
0957-4484

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
38089110
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Descriptors DEI
CATALYSTS; CRYSTAL GROWTH; CRYSTAL STRUCTURE; DROPLETS; FABRICATION; INDIUM; INDIUM PHOSPHIDES; ORIENTATION; QUANTUM WIRES; SUBSTRATES; VAPOR PHASE EPITAXY
Descriptors DEC
CRYSTAL GROWTH METHODS; ELEMENTS; EPITAXY; INDIUM COMPOUNDS; METALS; NANOSTRUCTURES; PARTICLES; PHOSPHIDES; PHOSPHORUS COMPOUNDS; PNICTIDES