Use neural network in photoacoustic measurement of thermoelastic properties of aluminum foil

КL Djordjević, SP Galović, MN Popović, MV Nešić… - Measurement, 2022 - Elsevier
The objective of this paper is to present methodology of the precise and reliable
determination of thermal diffusivity and linear coefficient of thermal expansion of the …

[HTML][HTML] Photothermal Infrared Radiometry and Thermoreflectance—Unique Strategy for Thermal Transport Characterization of Nanolayers

A Chatterjee, MNS Swapna, A Mikaeeli, M Khalid… - Nanomaterials, 2024 - mdpi.com
Thermal transport properties for the isotropic and anisotropic characterization of nanolayers
have been a significant gap in the research over the last decade. Multiple studies have been …

Measurement of thermal transport properties of selected superlattice and thin films using frequency-domain photothermal infrared radiometry

M Pawlak, N Jukam, T Kruck, D Dziczek, A Ludwig… - Measurement, 2020 - Elsevier
Thermal transport properties in multi-layered semiconductor samples are reported using
modulated photothermal infrared radiometry (PTR). The cross-plane thermal conductivity …

Photothermal, photocarrier, and photoluminescence phenomena in semiconductors studied using spectrally resolved modulated infrared radiometry: Physics and …

M Pawlak - Journal of Applied Physics, 2019 - pubs.aip.org
Photothermal, photocarrier, and photoluminescence phenomena in semiconductors studied
using modulated infrared (IR) radiometry are discussed. Spectrally resolved measurements …

Experimental validation of formula for calculation thermal diffusivity in superlattices performed using a combination of two frequency-domain methods: Photothermal …

M Pawlak, T Kruck, N Spitzer, D Dziczek, A Ludwig… - Applied Sciences, 2021 - mdpi.com
In this paper, we validate two theoretical formula used to characterize thermal transport of
superlattices at different temperatures. These formulas are used to measure cross-plane …

Thermo-Optical Characterization of Cu- and Zr-Modified TiO2 Photocatalysts by Beam Deflection Spectrometry

M Abdelhamid, D Korte, H Cabrera, O Pliekhova… - Applied sciences, 2021 - mdpi.com
Cu/Zr-modified TiO2 photocatalysts were prepared in the form of nanopowders and
characterized by photothermal spectrometry, UV–Vis spectrophotometry and X-ray …

Application of neural network to study of frequency range effect to photoacoustic measurement of thermoelastic properties of thin aluminum samples

KL Djordjević, ZZ Stoisavljević, MA Dragaš… - Measurement, 2024 - Elsevier
In this paper, the influence of the measurement range on the prediction of thermoelastic and
geometric properties of a thin aluminum sample obtained by solving the inverse …

Comparative studies of the optical absorption coefficient spectra in the implanted layers in silicon with the use of nondestructive spectroscopic techniques

K Dorywalski, Ł Chrobak… - … and Measurement Systems, 2020 - yadda.icm.edu.pl
This work presents results of comparative studies of the optical absorption coefficient spectra
of ion implanted layers in silicon. Three nondestructive and noncontact techniques were …

[HTML][HTML] Thermophysical properties of refractory W-50.4% Re and Mo-39.5% Re thin alloy layers deposited on silicon and silica substrates

D Trefon-Radziejewska, J Juszczyk, A Fleming… - International Journal of …, 2020 - Elsevier
The examined samples were W-Re and Mo-Re thin alloy layers with high content of
Rhenium, applied in industry as protective coatings. The 550 nm of W-50.4% Re and 580 …

Sample characterization by transverse photothermal beam deflection spectrometry in skimming configuration

H Budasheva, MS Swapna, S Sankararaman… - Journal of Applied …, 2023 - pubs.aip.org
The Tutorial presents the theoretical aspects of photothermal beam deflection spectrometry
(BDS) in skimming configuration based on the complex ray theory. After a brief introduction …