RNDr. Vaclav Drchal, CSc


Senior Research Fellow
Institute of Physics, AS CR
Na Slovance 2, 182 21 Prague 8,
Czech Republic
Tel:+420-266052926
Fax:+420-286890527
Email: drchal@fzu.cz


 


Research interests:

·  Solids, Surfaces, Interfaces, Multilayers, and Nanostructures

·  Ab Initio Electronic Structure

·  Electron Correlations

·  Relativistic Effects

·  Alloy Phase Stability

·  Magnetic Properties: Exchange Interactions and Curie Temperatures

·  Electron Transport


Monograph:

·  I. Turek, V. Drchal, J. Kudrnovsky, M. Sob, and P. Weinberger: Electronic Structure of Disordered Alloys, Surfaces, and Interfaces, Kluwer Academic, Boston (1997).


Selected publications:

·  L. Bergqvist, O. Eriksson, J. Kudrnovsky, V. Drchal, and P. Korzhavyi: Magnetic percolation in diluted magnetic semiconductors, Phys. Rev. Lett. 93 (2004), 137202.

·  V. Drchal, J. Kudrnovsky, I. Turek, F. Maca, and P. Weinberger: Phase stability and ordering in diluted magnetic III-V semiconductors, Phil. Mag. 84 (2004), 1889.

·  J. Kudrnovsky, I. Turek, V. Drchal, F. Maca, P. Weinberger, and P. Bruno: Exchange interactions in III-V and group-IV magnetic semiconductors, Rev. B 69 (2004), 115208.

·  V. Drchal, V. Janis, J. Kudrnovsky, V.S. Oudovenko, X. Dai, K. Haule, and G. Kotliar: Dynamical correlations in multiorbital Hubbard models: Fluctuation Exchange approximations, J. Phys.: Condens. Matter 17 (2005), 61.

·  L. Bergqvist, O. Eriksson, J. Kudrnovsky, V. Drchal, A. Bergman, L. Nordström, and I. Turek: Magnetic properties and disorder effects  in diluted magnetic semiconductors, Phys. Rev. B 72 (2005), 195210.

·  A.B. Shick, V. Drchal, and L. Havela: Coulomb-U and magnetic moment collapse in d-Pu, Europhys. Lett. 69 (2005) 588.

· A.B. Shick, L. Havela, J. Kolorenc,V. Drchal, T. Gouder, and P.M. Oppeneer: Electronic structure and nonmagnetic character of  d-Pu-Am alloys, Phys. Rev. B 73 (2006) 104415.

· L.V. Pourovskii, M.I. Katsnelson, A.I. Lichtenstein, L. Havela, T. Gouder, F. Wastin, A.B Shick, V. Drchal, and G.H. Lander: Nature of non-magnetic strongly correlated state in d-plutonium, Europhys. Lett. 74 (2006) 479.

·  I. Turek, J. Kudrnovsky, V. Drchal, and P. Bruno: Exchange interactions, spin waves, and transition temperatures in itinerant magnets, Phil. Mag. 86 (2006), 1713.

· P.E.A. Turchi, V. Drchal, and J. Kudrnovsky: Stability and ordering properties of fcc alloys based on Rh, Ir, Pd, and Pt, Phys. Rev. B 74 (2006), 064202. 

· V. Drchal, R. Hammerling, and P. Weinberger: Screening, charge distribution, and electron correlations in metallic alloys, Phys. Rev. B 74 (2006), 212142.

· A. Shick, J. Kolorenč, L. Havela, V. Drchal, and T. Gouder: Multiplet effects in the electronic structure of d-Pu, Am, and their compounds, Europhys. Lett. 77 (2007), 17003.

· J. Kudrnovský, V. Drchal, G. Bouzerar, and R. Bouzerar: Ordering effects in in diluted magnetic semiconductors, Phase Transitions 80 (2007), 333.

· M. Švec, P. Jelínek, P. Shukrynau, C. González, V. Cháb, and V. Drchal: Local atomic and electronic structure of the Pb/Si(111) mosaic structure: STM and ab initio study, Phys. Rev. B 77 (2008), 125104.

· F. Máca, J. Kudrnovský, V. Drchal, and G. Bouzerar: Magnetism without magnetic impurities in ZrO2 oxide, Appl. Phys. Lett 92 (2008) 212503.

· J. Kudrnovský, V. Drchal, and P. Bruno: Magnetic properties of Ni-based transition metal alloys, Phys. Rev. B 77 (2008) 224422.

· J. Kudrnovský, V. Drchal, I. Turek, and P. Weinberger: Electronic, magnetic, and transport properties of quaternary (Cu,Ni)MnSb alloys, Phys. Rev. B 78 (2008) 054441.

· V. Drchal and J. Kudrnovský: TB-LMTO method for embedded cluster, Phil. Mag. 88 (2008) 2777.

· I. Turek, V. Drchal, and J. Kudrnovský: Relativistic LMTO method for systems of light  elements, Phil. Mag. 88 (2008) 2787.

· J. Kudrnovský and V. Drchal: Magnetic properties of fcc Ni-based transition metal alloys, Int. J. Materials Res. 100 (2009) 1193.

· M. Ondráček, O. Bengone, J. Kudrnovský, V. Drchal, F. Máca,, and I. Turek: Magnetic phase stability of monolayeres: Fe on TaxW1-x random alloy as a case study, Phys. Rev. 81 (2010) 064410.

 · V. Drchal, M. Ondráček, J. Kudrnovský, O. Bengone, I. Turek, and F. Máca: Exchange interactions in the bcc Fe/TaW(001) system, e-Journal of Surface Science and Technology 8 (2010) 157.


Presentations:

·  Monte St. Odile 2004, Electron correlations in diluted magnetic semiconductors pdf-file

· Workshop CONEX II, Vienna October 2005, Madelung surprises pdf-file

·  Frontiers in theoretical magnetism I, Praha, October 2006, Fluctuating exchange theory of dynamical electron correlations and magnetism pdf-file

·  Frontiers in theoretical magnetism II, Uppsala, October 2007, Segregation and orderimg of impurities in diluted magnetic semiconductors pdf-file

·  International Conference on Computational Materials Science, February 2008, Cocoyoc, Mexico, TB-LMTO method for embedded clusters pdf-file

·  5th International Alloy Conference, September 10 - 14, 2008, Sellin, Germany, Electronic, magnetic, and transport properties of semi-Heusler (Cu,Ni)MnSb  alloys pdf-file

            · Frühjahrstagung de DPG, March 23 -27, 2009, Dresden, Germany, Impurity formation energie and effective interactions in DMS  pdf-file

            · 20 th Int. Colloquium on Magnetic Films and Surfaces, July 20 – 24, 2009, Berlin, Germany, Exchange interactions and magnetic structure of Fe monolayer on fcc-Ir(001) substrate  pdf-file

            · 10 th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures, September 21.-25.9.2009, Granada, Spain , Exchange  interactions in the bcc Fe/TaW(001) system pdf-file