The influence of intense ultrasound applied during pressing on the optical and cathodoluminescent properties of conventionally sintered YSZ ceramics
| Parent link: | Ultrasonics Sonochemistry Vol. 50.— 2019.— [P. 166-171] |
|---|---|
| Other Authors: | , , , , , , |
| Summary: | Title screen The aim of the present work was to investigate the effect of the ultrasonic treatment on the optical and cathodoluminescent properties of translucent ZrO2-8?mol.% Y2O3 (YSZ) ceramics obtained by conventional sintering of the pressed compacts. Treatment by intense ultrasound during dry pressing of the YSZ nanopowder leads to an increase in the relative density, a decrease in the pore size and an increase in the grain size of the sintered ceramics. It was shown that when the ultrasonic treatment is applied, the optical absorption cutoff wavelength of the sintered material is shifted to longer wavelengths, while the optical density of the material increases over the whole measurement spectrum. Samples subjected to ultrasonic treatment during pressing show higher intensity of luminescence than those obtained without the use of ultrasound, the shape of the luminescence spectra remaining unchanged. A correlation was obtained between the integral intensity of cathodoluminescence and the vacancy concentration in the sintered YSZ. Режим доступа: по договору с организацией-держателем ресурса |
| Language: | English |
| Published: |
2019
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| Subjects: | |
| Online Access: | https://doi.org/10.1016/j.ultsonch.2018.09.013 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658821 |
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| 200 | 1 | |a The influence of intense ultrasound applied during pressing on the optical and cathodoluminescent properties of conventionally sintered YSZ ceramics |f O. L. Khasanov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 171 (30 tit.)] | ||
| 330 | |a The aim of the present work was to investigate the effect of the ultrasonic treatment on the optical and cathodoluminescent properties of translucent ZrO2-8?mol.% Y2O3 (YSZ) ceramics obtained by conventional sintering of the pressed compacts. Treatment by intense ultrasound during dry pressing of the YSZ nanopowder leads to an increase in the relative density, a decrease in the pore size and an increase in the grain size of the sintered ceramics. It was shown that when the ultrasonic treatment is applied, the optical absorption cutoff wavelength of the sintered material is shifted to longer wavelengths, while the optical density of the material increases over the whole measurement spectrum. Samples subjected to ultrasonic treatment during pressing show higher intensity of luminescence than those obtained without the use of ultrasound, the shape of the luminescence spectra remaining unchanged. A correlation was obtained between the integral intensity of cathodoluminescence and the vacancy concentration in the sintered YSZ. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 1 | |t Ultrasonics Sonochemistry | |
| 463 | 1 | |t Vol. 50 |v [P. 166-171] |d 2019 | |
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| 610 | 1 | |a труды учёных ТПУ | |
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| 610 | 1 | |a катодолюминесцентная спектроскопия | |
| 610 | 1 | |a керамика | |
| 610 | 1 | |a ультразвуковая обработка | |
| 701 | 1 | |a Khasanov |b O. L. |c Russian physicist, materials scientist, Doctor of Engineering |c professor, Director of TPU Nano-Centre and Head of the Department "Nanomaterials and Nanotechnologies" of TPU |f 1958- |g Oleg Leonidovich |3 (RuTPU)RU\TPU\pers\27102 |9 12652 | |
| 701 | 1 | |a Dvilis |b E. S. |c Chemical Engineer |c senior researcher of Tomsk Polytechnic University, Professor, doctor of physical and mathematical Sciences |f 1969- |g Edgar Sergeevich |3 (RuTPU)RU\TPU\pers\34597 |9 17959 | |
| 701 | 1 | |a Polisadova |b E. F. |c specialist in the field of lighting engineering |c professor of Tomsk Polytechnic University, doctor of physical and mathematical sciences |f 1972- |g Elena Fyodorovna |3 (RuTPU)RU\TPU\pers\33900 |9 17473 | |
| 701 | 1 | |a Stepanov |b S. A. |c specialist in the field of lightning engineering |c Engineer of Tomsk Polytechnic University |f 1986- |g Sergey Aleksandrovich |3 (RuTPU)RU\TPU\pers\33771 |9 17369 | |
| 701 | 1 | |a Valiev |b D. T. |c specialist in the field of material science |c Associate Professor of Tomsk Polytechnic University, Candidate of Physical and Mathematical Sciences |f 1987- |g Damir Talgatovich |3 (RuTPU)RU\TPU\pers\33772 |9 17370 | |
| 701 | 1 | |a Paygin |b V. D. |c specialist in the field of material science |c engineer of Tomsk Polytechnic University |f 1992- |g Vladimir Denisovich |3 (RuTPU)RU\TPU\pers\38492 |9 20806 | |
| 701 | 1 | |a Dudina |b D. V. |g Dina Vladimirovna | |
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