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Author | Kiflawi, I.; Bruley, J.; Luyten, W.; Van Tendeloo, G. | ||||
Title | 'Natural' and 'man-made' platelets in type-la diamonds | Type | A1 Journal article | ||
Year | 1998 | Publication | Philosophical magazine: B: physics of condensed matter: electronic, optical and magnetic properties | Abbreviated Journal | |
Volume | 78 | Issue | 3 | Pages | 299-314 |
Keywords | A1 Journal article; Electron microscopy for materials research (EMAT) | ||||
Abstract | 'Natural' platelets are planar defects in {001} planes found in natural type-IaA/B diamonds. 'Man-made' platelets are platelets formed in the laboratory by annealing type-IaA diamonds at temperatures over 2500 degrees C. Careful study shows that the infrared (IR) spectra of the 'man-made' platelets are different from the IR spectra of 'natural' platelets. High-temperature (T greater than or equal to 2000 degrees C) annealing of platelets containing type-IaA/B diamonds modifies the IR absorption spectrum owing to the 'natural' platelets and makes it similar to the IR spectrum of the 'man-made' platelets. It is suggested that such high-temperature annealing changes the structure of the 'natural' platelets. The changes are too subtle to be detected by electron microscopy techniques. Topographic electron-energy-loss spectroscopy shows that platelets contain nitrogen at an average density of 0.7 atoms per a(0)(2); however, high-temperature annealing does not seem to affect the concentration of the nitrogen in the platelets. | ||||
Address | |||||
Corporate Author | Thesis | ||||
Publisher | Place of Publication | London | Editor | ||
Language | Wos | 000075663700004 | Publication Date | 2007-07-08 | |
Series Editor | Series Title | Abbreviated Series Title | |||
Series Volume | Series Issue | Edition | |||
ISSN | 1364-2812;1463-6417; | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
Impact Factor | Times cited | 13 | Open Access | ||
Notes | Approved | Most recent IF: NA | |||
Call Number | UA @ lucian @ c:irua:25667 | Serial | 2285 | ||
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