Single-crystalline SmB6 nanowires

Samarium hexaboride (SmB6) nanowires have been successfully fabricated with the self-catalyst method using samarium (Sm) powders and boron trichloride (BCl3) gas mixed with hydrogen and argon. X-ray diffraction (XRD), scanning electron microscopy (SEM), selected-area electron diffraction (SAED) and...

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Bibliographic Details
Published in:Journal of crystal growth 2008-07, Vol.310 (15), p.3443-3447
Main Authors: XU, J. Q, ZHAO, Y. M, SHI, Z. D, ZOU, C. Y, DING, Q. W
Format: Article
Language:English
Subjects:
Catalytic methods
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties
Materials science
Methods of nanofabrication
Nanoscale materials and structures: fabrication and characterization
Physics
Quantum wires
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:Samarium hexaboride (SmB6) nanowires have been successfully fabricated with the self-catalyst method using samarium (Sm) powders and boron trichloride (BCl3) gas mixed with hydrogen and argon. X-ray diffraction (XRD), scanning electron microscopy (SEM), selected-area electron diffraction (SAED) and transmission electron microscopy (TEM) were used to characterize the morphologies, structures and compositions of the samples. Our results show that the nanowires are highly crystallized, elongated preferentially in the [0 0 1] direction. Finally, the growth mechanism of SmB6 nanowires was discussed.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2008.03.031