Specific heat of amorphous silica within the harmonic approximation

Article Abstract:

A study investigated calculation techniques to derive low-temperature properties of crystals. The experiment applies the method of harmonic approximation to measure the specific heat of silica at temperatures in the range 100 K less than or equal to temperature less than or equal to glass transition temperature (where the glass transition temperature = 1450 K). Experimental methodology, findings and conclusions are discussed.

Case studies, Silica, Crystals, Silicon dioxide, Harmonic analysis, Harmonic analysis (Mathematics)

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A nuclear magnetic resonance study of amorphous and crystalline lanthanum-aluminates

Article Abstract:

Issues concerning the nuclear magnetic resonance of amorphous and crystalline aluminum-lanthantes which have been prepared by sol-gel synthesis are discussed.

Research and Development in the Physical, Engineering, and Life Sciences, Chemistry, Analysis, Nuclear magnetic resonance, Chemical research

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