Resonant piezoelectric optoacoustic detection of surface and bulk phase transitions

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A new technique for optoacoustic determination of phase transitions is described, based on the resonant piezoelectric detection of the acoustic signal generated by the thermal excitation of the sample by means of a low power modulated diode laser. The technique does not make use of a gas cell and a...

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Detalles Bibliográficos
Autores principales: Cesa, Y., Mingolo, N., Cordero Larriera, J.M., Martínez, O.E.
Formato: JOUR
Materias:
Glassy metals
Optoacoustic detection
Phase transformations
Photoacoustic detection
Amplifiers (electronic)
Crystallization
Natural frequencies
Phase transitions
Photoacoustic effect
Piezoelectricity
Semiconductor lasers
Resonant piezoelectric optoacoustic detection
Metallic glass
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_02578972_v122_n1_p28_Cesa
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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