Temat: 68.35.Bs - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Defects in Detwinned LaGaO$\text{}_{3}$ Substrates
Autorzy:: Mazur, K.
Fink-Finowicki, J.
Berkowski, M.
Schell, N.
Powiązania:: https://bibliotekanauki.pl/articles/1964373.pdf
Data publikacji:: 1997-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 61.72.Mm
68.35.Bs
Opis:: Single crystals of lanthanum gallate would be the suitable substrate for YBaCuO films except for the phase transition and the tendency to twinning existing in this material. However, by appropriate choice of growth conditions in the Czochralski method, it is possible to grow single crystal of LaGaO$\text{}_{3}$ with low density of twin boundaries. Special stress and temperature treatment can then be applied to such materials to remove majority of existing twins. The substrates were examined by X-ray topography before and after detwinning and the surface was scanned with a profilometer.
Źródło:: Acta Physica Polonica A; 1997, 92, 1; 205-208
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: High Quality (100) and (001) Oriented Substrates Prepared from Czochralski Grown SrLaGaO$\text{}_{4}$ and SrLaAlO$\text{}_{4}$ Single Crystals
Autorzy:: Berkowski, M.
Fink-Finowicki, J.
Sass, J.
Mazur, K.
Powiązania:: https://bibliotekanauki.pl/articles/1964370.pdf
Data publikacji:: 1997-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 81.10.Fq
61.50.Ks
68.35.Bs
Opis:: The growth of SrLaGaO$\text{}_{4}$ and SrLaAlO$\text{}_{4}$ crystals on ⟨100⟩ and ⟨001⟩ oriented seeds was investigated. Various defects, which appeared in crystals grown on these two orientations, were observed in polarized light and by X-ray diffraction topography. It was found that to obtain a substrate of the best quality, the crystal should be cut along the growth directions. Therefore, crystals pulled along ⟨100⟩ direction are utilized for preparation of (001) substrates, whereas (100) substrates are better to cut from crystals grown on ⟨001⟩ seed. The quality of the prepared substrates was determined by high resolution X-ray diffraction study in terms of rocking curve and mean mosaic angle.
Źródło:: Acta Physica Polonica A; 1997, 92, 1; 201-204
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Informacja