D. Yvon et al., EVIDENCE FOR SIGNAL ENHANCEMENT DUE TO BALLISTIC PHONON CONVERSION INNBSI THIN-FILMS BOLOMETERS, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 370(1), 1996, pp. 200-202
We demonstrate the sensitivity of NbSi thin film thermometers to balli
stic phonons. This effect leads to signal amplitudes up to 7 times lar
ger than the theoretical predicted thermal equilibrium signal amplitud
es. A simple model of the device in good agreement with quantitative a
nalysis of data is presented.