Search results for "TANTALUM"
showing 10 items of 71 documents
Excited states in the proton-unbound nuclide Ta-158
2016
Excited states in the neutron-deficient odd-odd proton-unbound nuclide $^{158}\mathrm{Ta}$ have been investigated in two separate experiments. In the first experiment, $^{166}\mathrm{Ir}$ nuclei were produced in the reactions of 380 MeV $^{78}\mathrm{Kr}$ ions with an isotopically enriched $^{92}\mathrm{Mo}$ target. The $\ensuremath{\alpha}$-decay chain of the ${9}^{+}$ state in $^{166}\mathrm{Ir}$ was analyzed. Fine structure in the $\ensuremath{\alpha}$ decay of the ${9}^{+}$ state in $^{162}\mathrm{Re}$ established a 66 keV difference in excitation energy between the lowest-lying ${9}^{+}$ and ${10}^{+}$ states in $^{158}\mathrm{Ta}$. Higher-lying states in $^{158}\mathrm{Ta}$ were popul…
Photoelectrochemical Synthesis of Polypyrrole on Anodic Ta2O5 Films
2007
Polypyrrole film was photoelectrochemically grown on insulating Ta2O5 anodic film in acetonitrile solution. A characterization by photocurrent spectroscopy PCS of metal/oxide/polypyrrole interface was carried out. The PCS results suggest that a metallic-like PPy is formed under illumination at constant anodic potential. By polarizing the polypyrrole at cathodic potentials a photocurrent spectrum typical of p-type semiconducting film was recorded. A scanning electron microscopy study of PPy surfaces solution side and oxide side allowed us to obtain information on the morphology of the polymer as well as a rough estimate of the film thickness and of the diameter of PPy globules at the two int…
Photoelectrochemical Polymerization of 3-4 Ethylene dioxythiophene on Anodic Niobium- Tantalum Mixed Oxides.
2012
Photoelectrochemical Polymerization of 3-4 Ethylenedioxythiophene on High k Niobium-Tantalum Mixed Oxides.
2012
Improving the understanding of the melting behaviour of Mo, Ta, and W at extreme pressures
2004
We discus existent conflicts between experimentally measured and theoretically calculated melting curves of Mo, Ta, and W. By assuming that vacancy formation plays a fundamental role in the melting process, an explanation for the measured melting curves is provided. Furthermore, we show that the Lindemann law fits well all the measured melting curves of bcc transition metals if the Grueneisen parameter is written as a power series of the interatomic distance. For completeness, we examine possible reasons for current disagreements between shock-wave and DAC experiments. To solve them, we propose the existence of an extra high P-T phase for Mo, Ta, and W
CCDC 852527: Experimental Crystal Structure Determination
2012
Related Article: W.Meier, Y.Mugnier, P.Schwarz, M.Scheer, J.Wachter, M.Zabel|2012|Inorg.Chim.Acta|386|50|doi:10.1016/j.ica.2012.01.064
CCDC 290678: Experimental Crystal Structure Determination
2006
Related Article: J.Goux, P.Le Gendre, P.Richard, C.Moise|2005|Organometallics|24|4902|doi:10.1021/om0504497
CCDC 290679: Experimental Crystal Structure Determination
2006
Related Article: J.Goux, P.Le Gendre, P.Richard, C.Moise|2005|Organometallics|24|4902|doi:10.1021/om0504497
CCDC 174348: Experimental Crystal Structure Determination
2002
Related Article: O.Blacque, M.M.Kubicki, J.-C.Leblanc, A.Sadorge, P.Sauvageot, C.Moise|2002|J.Organomet.Chem.|656|139|doi:10.1016/S0022-328X(02)01577-2
CCDC 147080: Experimental Crystal Structure Determination
2002
Related Article: G.Boni, O.Blacque, P.Sauvageot, N.Poujaud, C.Moise, M.M.Kubicki|2002|Polyhedron|21|371|doi:10.1016/S0277-5387(01)01014-2