Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Haruo Ohashi"'
Autor:
Haruo Ohashi
Publikováno v:
Academia Letters.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a351dc0774aeb590478f49f714bf93ca
https://doi.org/10.20935/al2712
https://doi.org/10.20935/al2712
Autor:
Michail N. Taran, Haruo Ohashi
Publikováno v:
European Journal of Mineralogy. 24:823-829
Optical absorption spectra of synthetic clinopyroxenes of NaVSi 2 O 6 , LiVSi 2 O 6 and CaVAlSiO 6 composition consist of a high-energy absorption edge and two broad absorption bands ν 1 and ν 2 at around 15,000 cm −1 and 22,000 cm −1 caused by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72570659b105f524d5f24d6a1d6b443f
https://doi.org/10.1127/0935-1221/2012/0024-2220
https://doi.org/10.1127/0935-1221/2012/0024-2220
Autor:
Tonči Balić-Žunić, Daria Pasqual, Haruo Ohashi, Benedetta Periotto, Matteo Alvaro, Fabrizio Nestola
Publikováno v:
Solid State Communications. 152:132-137
The equation of state of a single-crystal synthetic silicate NaInSi 2 O 6 was determined from the unit cell parameters measured by X-ray diffraction using a diamond-anvil cell at 12 different pressures up to 7.83(1) GPa in order to provide a definiti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9645e74ef60e21d5708827eee9f98f55
https://doi.org/10.1016/j.ssc.2011.10.025
https://doi.org/10.1016/j.ssc.2011.10.025
Publikováno v:
American Mineralogist. 95:832-838
Two C 2/ c pyroxenes, CaMnSi 2 O 6 and CaZnSi 2 O 6 , were investigated at high pressure by single-crystal X-ray diffraction. Their unit-cell parameters were determined at 9 different pressures up to 7.55 and 8.23 GPa, respectively. No evidence of ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8cf5811bd0baf6a6cba3b248a5c2ef44
https://doi.org/10.2138/am.2010.3396
https://doi.org/10.2138/am.2010.3396
Publikováno v:
European Journal of Mineralogy. 21:591-597
Three pyroxene single-crystals with compositions NaCrSi 2 O 6 (Ko 100 Di 0 ), (Na 0.75 Ca 0.25 )(Cr 0.75 Mg 0.25 )Si 2 O 6 (Ko 75 Di 25 ) and (Na 0.25 Ca 0.75 )(Cr 0.25 Mg 0.75 )Si 2 O 6 (Ko 25 Di 75 ) have been studied by means of in situ high-press
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::046dec561d7b3eac71b293d28232c214
https://doi.org/10.1127/0935-1221/2009/0021-1927
https://doi.org/10.1127/0935-1221/2009/0021-1927
Publikováno v:
American Mineralogist. 94:557-564
High-pressure behavior of a synthetic single crystal of the C 2/ c clinopyroxene NaVSi 2 O 6 was investigated using X-ray diffraction and Raman spectroscopy in combination with diamond-anvil cell techniques. Lattice-parameters, single-crystal intensi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e78d488c4cfca0702d4d987420347a1
https://doi.org/10.2138/am.2009.2993
https://doi.org/10.2138/am.2009.2993
Autor:
Fabrizio Nestola, L. Secco, Haruo Ohashi, Mario Tribaudino, Anders Ø. Madsen, A. Dal Negro, Tonči Balić-Žunić
Publikováno v:
Mineralogical Magazine. 72:809-816
The crystal structure of a clinopyroxene with composition (Na0.75Ca0.25)(Cr0.75Mg0.25)Si2O6 was refined at 100, 150, 200, 250 and 298 K. The work was performed in the context of an investigation on the low-temperature behaviour of A+M3+Si2O6 (with A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40bfbfe279e02d9535756f3d2787c4b7
https://doi.org/10.1180/minmag.2008.072.3.809
https://doi.org/10.1180/minmag.2008.072.3.809
Publikováno v:
Physics and Chemistry of Minerals. 35:477-484
Two synthetic single-crystals with composition Li(Al0.53Ga0.47)Si2O6 and LiGaSi2O6 and space group C2/c at room conditions have been studied under pressure by means of X-ray diffraction using a diamond anvil cell. The unit-cell parameters were determ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0104f0c080fd337f38f1c2e269602da
https://doi.org/10.1007/s00269-008-0242-6
https://doi.org/10.1007/s00269-008-0242-6
Autor:
Monika Koch-Müller, Michail N. Taran, Lars Folke Olsen, Fabrizio Nestola, Haruo Ohashi, Tonci Balic-Zunic
Publikováno v:
American Mineralogist
The pressure-induced behavior of spin-allowed dd -bands of VIIICo2+ in the absorption spectra of synthetic Co3Al2Si3O12 garnet was studied from 10−4 to 13 GPa. The plots of the peak energy vs. pressure for the three sharpest well resolved bands at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76375ea8fb6f2f3d18e956a7248fef22
https://doi.org/10.2138/am.2007.2457
https://doi.org/10.2138/am.2007.2457
Publikováno v:
American Mineralogist. 91:1794-1801
A series of Ti-doped diopside samples synthesized by fluxgrowth methods under reducing conditions were investigated by microanalytical methods and optical absorption spectroscopy, to assess Ti incorporation mechanisms, valence states, and related ele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5af861b441fbebb1eaf3dfe12d57771a
https://doi.org/10.2138/am.2006.2154
https://doi.org/10.2138/am.2006.2154