Open Access
Photoacoustics, volume 32, pages 100528
Hypersound tomography of graphitized layers buried into diamond matrix
Publication type: Journal Article
Publication date: 2023-08-01
Atomic and Molecular Physics, and Optics
Radiology, Nuclear Medicine and imaging
Abstract
Acoustic properties of buried graphitized layers in diamond formed by ion implantation followed by annealing were studied using the picosecond ultrasonic technique with spatial resolution. Two methods of elastic pulse generation were used: heating an aluminum film deposited on a diamond sample by femtosecond laser pulses and direct illumination of the graphitized layers by these pulses. We applied a multilayered model of the acousto-optical response to fit experimental results and estimate the distribution of the acoustical parameters (wave resistance, viscoelastic damping, and longitudinal sound speed) of the structures under study in depth. It was found that unique sets of spectral lines are present in the Fourier spectra of measured responses in regions with different internal structures. Mapping of the Fourier spectra made it possible to visualize regions with different internal structures. The combined use of depth profiling and mapping can serve as a tool for hypersound tomography.
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Klokov A. et al. Hypersound tomography of graphitized layers buried into diamond matrix // Photoacoustics. 2023. Vol. 32. p. 100528.
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Klokov A., Frolov N. Y., Sharkov A. I., Chentsov S., Khmelnitsky R., Dravin V. Hypersound tomography of graphitized layers buried into diamond matrix // Photoacoustics. 2023. Vol. 32. p. 100528.
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TY - JOUR
DO - 10.1016/j.pacs.2023.100528
UR - https://doi.org/10.1016%2Fj.pacs.2023.100528
TI - Hypersound tomography of graphitized layers buried into diamond matrix
T2 - Photoacoustics
AU - Klokov, A.Yu
AU - Frolov, N. Yu.
AU - Sharkov, A I
AU - Chentsov, Semen
AU - Khmelnitsky, R.A.
AU - Dravin, V.A.
PY - 2023
DA - 2023/08/01 00:00:00
PB - Elsevier
SP - 100528
VL - 32
SN - 2213-5979
ER -
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@article{2023_Klokov,
author = {A.Yu Klokov and N. Yu. Frolov and A I Sharkov and Semen Chentsov and R.A. Khmelnitsky and V.A. Dravin},
title = {Hypersound tomography of graphitized layers buried into diamond matrix},
journal = {Photoacoustics},
year = {2023},
volume = {32},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016%2Fj.pacs.2023.100528},
pages = {100528},
doi = {10.1016/j.pacs.2023.100528}
}