Thermoelastic properties of ScB2, TiB2, YB4 and HoB4: Experimental and theoretical studies

Autor: Axel Svane, Georgiy Levchenko, A. Lyaschenko, V.B. Filipov, V. Kanchana, L. Gerward, Alicja Waśkowska, K. Ramesh Babu, G. Vaitheeswaran, J. Staun Olsen

Publikováno v: Waśkowska, A, Gerward, L, Staun Olsen, J, Ramesh Babu, K, Vaitheeswaran, G, Kanchana, V, Svane, A, Filipov, V B, Levchenko, G & Lyaschenko, A 2011, ' Thermoelastic properties of ScB 2, TiB 2, YB 4 and HoB 4 : Experimental and theoretical studies ', Acta Materialia, vol. 59, no. 12, pp. 4886–4894 . https://doi.org/10.1016/j.actamat.2011.04.030

High-pressure X-ray diffraction in ScB2, TiB2, YB4 and HoB4 powders and single crystals has been studied using synchrotron radiation as well as conventional X-rays. The experimental results are supported by calculations using density functional theor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce588842b219678872e1ae8b451d2e19
https://doi.org/10.1016/j.actamat.2011.04.030

Pressure-induced phase transformations in l-alanine crystals

Autor: F. E. A. Melo, Paulo Freire, L. Gerward, J. Staun Olsen, J. Mendes Filho, A. G. Souza Filho

Publikováno v: Journal of Physics and Chemistry of Solids
Journal of Physics and Chemistry of Solids, Elsevier, 2009, 69 (7), pp.1641. ⟨10.1016/j.jpcs.2007.12.005⟩

Raman scattering and synchrotron X-ray diffraction have been used to investigate the high-pressure behavior of l -alanine. This study has confirmed a structural phase transition observed by Raman scattering at 2.3 GPa and identified it as a change fr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ec55c31eb46081086a638473fcf3933
https://doi.org/10.1016/j.jpcs.2007.12.005

Phase transitions in Cd3P2 at high pressures and high temperatures

Autor: V. Kanchana, Alicja Waśkowska, L. Gerward, J. Staun Olsen, F. S. Yel'kin, G. Vaitheeswaran, Vladimir A. Sidorov

Publikováno v: Journal of Alloys and Compounds. 450:79-85

The high-pressure, high-temperature structural behaviour of Cd 3 P 2 has been studied using electrical resistance measurements, differential thermal analysis, thermo baric analysis and X-ray diffraction. At room temperature, a phase transformation is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0cf77ab75cb3942a76d92618c85023ef
https://doi.org/10.1016/j.jallcom.2006.11.075

Optical properties of heavy metal oxide glasses before and after g-irradiation

Autor: Gopi Sharma, K.S. Thind, Monika, Harvinder Singh, Manupriya, L. Gerward

Publikováno v: physica status solidi (a). 204:591-601

The effect of gamma irradiation has been probed by transmission measurements before and after γ-irradiation on lead borate and bismuth borate glasses of varying composition by exposing with 60 Co radioisotope of absorbed dose 2.5 kGy. The induced ab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e187fbc546a5ec76ea058d04a34a213b
https://doi.org/10.1002/pssa.200622124

Bulk modulus of CeO2 and PrO2—An experimental and theoretical study

Autor: L. Gerward, Leon Petit, G. Vaitheeswaran, Axel Svane, J. Staun Olsen, V. Kanchana

Publikováno v: Journal of Alloys and Compounds. 400:56-61

The high-pressure structural behaviour of CeO2 and PrO2 has been investigated by synchrotron X-ray diffraction at pressures up to 20 and 35 GPa, respectively. The experiments are accompanied by first principles calculations using the self-interaction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73c94e32fecb4d5b05a849ce00eabef3
https://doi.org/10.1016/j.jallcom.2005.04.008