Synthesis and Magnetic Properties of Single-Crystalline Mn/Fe-Doped and Co-doped ZnS Nanowires and Nanobelts

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ZnS nanowires and nanobelts doped with Mn and Fe were synthesized by a chemical vapor transport method. The Mn/Fe-doped and co-doped ZnS nanostructures were grown on Au-coated Si substrates. The key to this synthetic process of co-doping lies in the use of metal chloride as a metal carrier. Crystal structure and chemical compositional analyses by transmission electron microscopy (TEM) indicate that the nanowires and nanobelts are single-crystalline and uniformly doped with dopants. Strong emission bands were found from photoluminescence (PL) spectra of Mn/Fe-doped and co-doped ZnS nanowires. The magnetic property measurements from the nanostructure ensemble show that the Curie temperature is above room temperature. The synthesized Mn/Fe-doped and co-doped ZnS nanostructures can be employed in the fabrication of nanoscale magnetic and optical devices.
Publisher
AMER CHEMICAL SOC
Issue Date
2009-04
Language
English
Article Type
Article
Keywords

ONE-DIMENSIONAL NANOSTRUCTURES; CHEMICAL-VAPOR-DEPOSITION; THERMAL EVAPORATION; PHOTOLUMINESCENCE PROPERTIES; CONTROLLED GROWTH; CATALYTIC GROWTH; SEMICONDUCTOR; SPINTRONICS; NANORIBBONS; EMISSION

Citation

JOURNAL OF PHYSICAL CHEMISTRY C, v.113, no.14, pp.5352 - 5357

ISSN
1932-7447
DOI
10.1021/jp808433b
URI
http://hdl.handle.net/10203/95218
Appears in Collection
CH-Journal Papers(저널논문)
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