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Вид документа : Статья из журнала
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Автор(ы) : Korets A., Krylov A. S., Mironov E., Rabchevskii E.
Заглавие : Experimental study of the structure of milled diamond-containing particles obtained by the detonation method
Место публикации : EPJ Appl. Phys. - 2012. - Vol. 57, Is. 3. - Ст.30701. - ISSN 1286-0042, DOI 10.1051/epjap/2012110208
Примечания : Cited References: 15
Предметные рубрики: PURIFICATION
NANODIAMOND
Ключевые слова (''Своб.индексиров.''): chemical change--diamond grains--experimental spectra--experimental studies--ir spectrum--mechanical force--detonation--diamonds--x ray diffraction--agglomeration
Аннотация: A diamond-containing material (DCM) produced by detonation was mechanically milled using KM-1 and AGO-2S mills. Experimental spectra for infrared (IR) absorption, Raman scattering and X-ray diffraction patterns (XRD) were obtained for the treated DCM samples. We compared the Raman and IR spectra for the KM-1 milled samples and concluded that the surface of the DCM particles was not uniform. The mechanical force that resulted from milling with the AGO-2S destroyed the non-diamond part of the particles and initiated irreversible physical and chemical changes in them. The destruction of the diamond grains was the consequence of these irreversible changes. It follows from the experiments that the dipole momentum of the DCM particle was caused by the presence of polar fragments of molecules. The constant dipole momentum of the particles facilitated the aggregation. Based on this, we proposed a model of a structurally inhomogeneous DCM particle. В© 2012 EDP Sciences.
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