TY - JOUR
T1 - Growth and optical properties of ultra-long single-crystalline α-Si3N4 nanobelts
AU - Yang, W.
AU - Zhang, L.
AU - Xie, Z.
AU - Li, J.
AU - Miao, H.
AU - An, L.
PY - 2005/4
Y1 - 2005/4
N2 - Ultra-long single-crystalline α-Si3N4 nanobelts were synthesized by catalyst-assisted crystallization of polymer-derived amorphous silicon carbonitride (SiCN). The obtained nanobelts were characterized using X-ray diffraction, scanning electron microscopy, high-resolution transmission electron microscopy and selected-area electron diffraction. The results revealed that the α-Si3N4 nanobelts are 20 to 40 nm in thickness, 400-600 nm in width and a few hundreds of micrometers to several millimeters in length, and grow along either the [011] or the [100] direction. Intense visible photoluminescence was observed over a spectrum ranging from 1.65 to 3.01 eV, which can be attributed to defects in the α-Si3N4 structure.
AB - Ultra-long single-crystalline α-Si3N4 nanobelts were synthesized by catalyst-assisted crystallization of polymer-derived amorphous silicon carbonitride (SiCN). The obtained nanobelts were characterized using X-ray diffraction, scanning electron microscopy, high-resolution transmission electron microscopy and selected-area electron diffraction. The results revealed that the α-Si3N4 nanobelts are 20 to 40 nm in thickness, 400-600 nm in width and a few hundreds of micrometers to several millimeters in length, and grow along either the [011] or the [100] direction. Intense visible photoluminescence was observed over a spectrum ranging from 1.65 to 3.01 eV, which can be attributed to defects in the α-Si3N4 structure.
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U2 - 10.1007/s00339-004-3040-0
DO - 10.1007/s00339-004-3040-0
M3 - Article
AN - SCOPUS:18544380687
SN - 0947-8396
VL - 80
SP - 1419
EP - 1423
JO - Applied Physics A: Materials Science and Processing
JF - Applied Physics A: Materials Science and Processing
IS - 7
ER -