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DFT modeling and transport properties of PdGa and PdIn compounds (CROSBI ID 621139)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Batistić, Ivo ; Sorić, Marija ; Ivkov, Jovica ; Popčević, Petar ; Tutiš, Eduard ; Hahne, Michael ; Gille, Peter ; Smontara, Ana DFT modeling and transport properties of PdGa and PdIn compounds // Proceedings of C-MAC Days 2014 / Smontara, Ana (ur.). Zagreb: Institut za fiziku, 2014. str. 26-26

Podaci o odgovornosti

Batistić, Ivo ; Sorić, Marija ; Ivkov, Jovica ; Popčević, Petar ; Tutiš, Eduard ; Hahne, Michael ; Gille, Peter ; Smontara, Ana

engleski

DFT modeling and transport properties of PdGa and PdIn compounds

Intermetal l ic compounds are innovative catalyst materials. Their potential lies in spatial separation of active sites which enables high activity and selectivity.[1] Furthermore, it is possible to change their electronic properties by tuning their chemical composition. Palladium based intermetallic compounds, particularly PdGa and PdIn have shown very good catalytical properties in partial hydrogenation of acetylene to ethylene and methanol steam reforming processes respectively. Although catalysis occurs o n the surface, it is important to know properties of the bulk as well. In order to get a deeper insight into those systems we calculated their electronic and vibrational spectra within density functional theory (DFT) using Quantum ESPRESSO [2] and WIEN2k c ode [3]. Detailed analysis of their experimental transport properties with correlation to the electronic structure will be presented.[4] We extracted scattering rates of different bands by the use of experimental transport properties. From vibrational spec tra and electrical resistivity we successfully estimated Debye temperature and correlated it to the specific heat results [1] J. Prinz, R. Gaspari, C. A. Pignedoli, J. Vogt, P. Gille, M. Armbrüster, H. Brune, O. Gröning, D. Passerone and R. Widmer, Angew . Chem. Int. Ed. 51 (2012) 9339. [2] P. Giannozzi, S. Baroni, N. Bonini, M. Calandra, R. Car, C. Cavazzoni, D. Ceresoli, G. L. Chiarotti, M. Cococcioni, I. Dabo, A. Dal Corso, S. Fabris, G. Fratesi, S. de Gironcoli, R. Gebauer, U. Gerstmann, C. Gougoussis, A. Kokalj, M. Lazzeri, L. Martin - Samos, N. Marzari, F. Mauri, R. Mazzarello, S. Paolini, A. Pasquarello, L. Paulatto, C. Sbraccia, S. Scandolo, G. Sclauzero, A. P. Seitsonen, A. Smogunov, P. Umari, R. M. Wentzcovitch, J. Phys.: Condens. Matter, 21 (2009) 395502. [3] P. Blaha, K. Schwarz, G. Madsen, D. Kvasnicka and J. Luitz, WIEN2k, An Augmented Plane Wave + Local Orbitals Program for Calculating Crystal Properties (Karlheinz Schwarz, Techn. Universität Wien, Austria), 2001. ISBN 3 - 9501031 - 1 - 2 [4] M. Wenck a, M. Hahne, A. Kocjan, S. Vrtnik, P. Koželj, D. Korže, Z. Jagličić, M. Sorić, P. Popčević, J. Ivkov, A. Smontara, P. Gille, S. Jurga, P. Tomeš, S. Paschen, A. Ormeci, M. Armbrüster, Yu. Grin, J. Dolinšek, Intermetalics 55 (2014) 56

PdGa and PdIn compounds; catalyst materials; electronic properties

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Podaci o prilogu

26-26.

2014.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of C-MAC Days 2014

Smontara, Ana

Zagreb: Institut za fiziku

978-953-7666-11-8

Podaci o skupu

C-MAC Days2014

predavanje

08.12.2014-11.12.2014

Zagreb, Hrvatska

Povezanost rada

Fizika