Zpět

RNDr. Vojtěch Chlan, Ph.D.

Tel.: +420 22191 2887, 22191 2601, 22191 2602
E-mail: chlan@mbox.troja.mff.cuni.cz

Odkaz na fakultní stránku



Výuka v zimním semestru 2020/2021

Úvod do praktické fyziky (NOFY055) - úterý 9:50 (T9) a čtvrtek 11:30 (N4)

informace a materiály k výuce zde


Vypsané práce

Modelování elektronové struktury pevných látek   bakalářská práce 2020/2021

 

Odborné zájmy

  • NMR spektroskopie pevných látek, zvláště magnetických materiálů
  • ab initio výpočty elektronové struktury pevných látek

Odborný životopis

od 2010

odborný asistent na Katedře fyziky nízkých teplot

2007 – 2010

vědecký pracovník na Katedře fyziky nízkých teplot

2005 – 2010

doktorské studium na Matematicko-fyzikální fakultě Univerzity Karlovy v Praze, Hyperfine interaction in ferrites with spinel structure.

1999 – 2004

magisterské studium na Matematicko-fyzikální fakultě Univerzity Karlovy v Praze, Studium hyperjemných interakcí v magnetických granátech yttria a lutecia metodou NMR a NQR


Seznam publikací

  1. Sklyarova Anastasia, Popkov I Vadim, Pleshakov V Ivan, Matveev Vladimir V., Stepankova Helena, Chlan Vojtech; Peculiarities of Fe-57 NMR Spectrum in Micro- and Nanocrystalline Europium Orthoferrites; APPLIED MAGNETIC RESONANCE; doi: 10.1007/s00723-020-01224-y
  2. Kolodziej T., Bialo I, Tabis W., Zubko M., Zukrowski J. Latka K., Lorenzo J. E., Mazzoli C., Kakol Z., A., Tarnawski Z., Wilke E., Babik P., Chlan V., Reznicek R., Stepankova H., Novak P., Joly Y., Niewolski J., Honig J. M.; Magnetic field induced structural changes in magnetite observed by resonant x-ray diffraction and Mossbauer spectroscopy; PHYSICAL REVIEW B 102(7); 2020; doi: 10.1103/PhysRevB.102.075126
  3. Aryal Anil, Dubenko Igor, Pandey Sudip, Chen Jing-Han, Talapatra Saikat, Chlan Vojtech, Stepankova Helena, Matveev Vladimir, Blinov Mikhail, Prudnikov Valerii, Granovsky Alexander, Lahderanta Erkki, Stadler Shane, Ali Naushad; NMR studies of the ground states of Ni50-xCoxMn35In15 (x1, 2.5) and Ni45Co5Mn37In13 Heusler alloys; AIP ADVANCES 10(1); 2020; doi: 10.1063/1.5129976
  4. Petrov V Oleg, Chlan Vojtech, Rohlicek Jan, Demel Jan, Vesely Jozef, Lang Jan; Exploring Structural Disorders in Aluminum-Containing Metal-Organic Comparison of Solid-State Al-27 NMR Powder Spectra to DFT Calculations on Bulk Periodic Structures; JOURNAL OF PHYSICAL CHEMISTRY C 124(23); 2020; 12569-12579; doi: 10.1021/acs.jpcc.0c03000
  5. Bialo Izabela, Kozlowski Andrzej, Wack Michael, Wlodek Adam Gondek Lukasz, Kakol Zbigniew, Hochleitner Rupert, Zywczak Antoni, Chlan Vojtech, Gilder Stuart A.; The influence of strain on the Verwey transition as a function of dopant concentration: towards a geobarometer for magnetite-bearing rocks; GEOPHYSICAL JOURNAL INTERNATIONAL 219(1); 2019; 148-158; doi: 10.1093/gji/ggz274
  6. Chlan Vojtech, Dolezal Petr, Sgallova Rachel, Klicpera Milan, Franz Christian, Javorsky Pavel; Local atomic arrangement in LaCuAl3 and LaAuAl3 by NMR and density functional theory; JOURNAL OF PHYSICS-CONDENSED MATTER 31(38); 2019; doi: 10.1088/1361-648X/ab27ac
  7. Guehne Robin, Chlan Vojtech, Williams Grant V. M., Chong V Shen, Kadowaki Kazuo, Poeppl Andreas, Haase Juergen; Unusual Bi-209 NMR quadrupole effects in topological insulator Bi2Se3; JOURNAL OF MAGNETIC RESONANCE 302; 2019; 34-42; doi: 10.1016/j.jmr.2019.03.008
  8. Argymbek B., Kmjec T., Chlan V., Kohout J., Kichanov S.E., Kozlenko D.P., Savenko B.N.; The crystal and magnetic structures of the ordered perovskite Pb2FeSbO6 studied by neutron diffraction and Mössbauer spectroscopy; Journal of Magnetism and Magnetic Materials 477; 2019; 334-339; doi: 10.1016/j.jmmm.2019.01.076
  9. Kmjec T, Adamec M, Kubaniova D, Plocek J, Dopita M, Cesnek M, Chlan V, Bednarcik J, Zaveta K, Marysko M, Kohout J; 57Fe-enriched perovskites M(Fe0.5Nb0.5)O3 (M – Pb, Ba) studied by Mössbauer spectroscopy, NMR and XRD in the wide temperature range 4.2–533 K; Journal of Magnetism and Magnetic Materials 475; 2019; 334-344; doi: 10.1016/j.jmmm.2018.11.087
  10. Zagorodniy Y. O., Chlan V, Štěpánková H, Fomichov Y, Pejchal J, Laguta V V, Nikl M; Gallium preference for the occupation of tetrahedral sites in Lu3(Al(5-x)Gax)O12 multicomponent garnet scintillators according to solid-state nuclear magnetic resonance and density functional theory calculations; Journal of Physics and Chemistry of Solids 126; 2019; 93-104; doi: 10.1016/j.jpcs.2018.10.027
  11. Reznicek R., Chlan V., Haase J.; NMR and ab initio study of gallium metal under pressure; PHYSICAL REVIEW B 99(12); 2019; doi: 10.1103/PhysRevB.99.125121
  12. Chlan V., Żukrowski J., Bosak A., Kąkol Z., Kozłowski A., Tarnawski Z., Řezníček R., Štěpánková H., Novák P., Biało I., Honig J. M.; Effect of low Zn doping on the Verwey transition in magnetite single crystals: Mössbauer spectroscopy and x-ray diffraction; Phys. Rev. B 98(12); 2018; 125138; doi: 10.1103/PhysRevB.98.125138
  13. Babin V, Buryi M, Chlan V, Fomichov Y, Kamada K, Laguta V V, Nikl M, Pejchal J, Štěpánková H, Yoshikawa A, Zagorodniy Y., Zazubovich S; Influence of gallium content on Ga3+ position and photo- and thermally stimulated luminescence in Ce3+-doped multicomponent (Y,Lu)3GaxAl(5-x)O12 garnets; Journal of Luminescence 200; 2018; 141-150; doi: 10.1016/j.jlumin.2018.04.013
  14. Zagorodniy Y. O., Kuzian R. O., Kondakova I. V., Maryško M., Chlan V., Štěpánková H., Olekhnovich N. M., Pushkarev A. V., Radyush Y. V., Raevski I. P., Zalar B., Laguta V. V., Stephanovich V. A.; Chemical disorder and 207Pb hyperfine fields in the magnetoelectric multiferroic Pb(Fe1/2Sb1/2)O3 and its solid solution with Pb(Fe1/2Nb1/2)O3; Phys. Rev. Materials 2(1); 2018; 014401; doi: 10.1103/PhysRevMaterials.2.014401
  15. Řezníček R., Chlan V., Štěpánková H., Novák P., Żukrowski J., Kozłowski A., Kąkol Z., Tarnawski Z., Honig J. M.; Understanding the Mössbauer spectrum of magnetite below the Verwey transition: Ab initio calculations, simulation, and experiment; Phys. Rev. B 96(19); 2017; 195124; doi: 10.1103/PhysRevB.96.195124
  16. Laguta V., Marysko M., Stephanovich V., Raevsky I., Olekhnovich N., Pushkarev A., Radyush Yu., Raevskaya S., Kuzian R., Chlan V., Stepankova H.; Cluster Superconductivity in the Magnetoelectric Pb(Fe_1/2Sb_1/2)3 Ceramics; Acta Physica Polonica A 131 ISS(6); 2017; 1534–1539; doi: 10.12693/APhysPolA.131.1534
  17. Chlan Vojtech, Kouril Karel, Ulicna Katerina, Stepankova Helena, Töpfer Jörg, Seifert Daniela; Charge localization and magnetocrystalline anisotropy in La, Pr, and Nd substituted Sr hexaferrites; Phys. Rev. B 92(12); 2015; 125125; doi: 10.1103/PhysRevB.92.125125
  18. Laguta V. V., Elissalde C., Maglione M., Artemenko A. M., Chlan V., Stepankova H., Zagorodniy Yu.; Crystal structure transformations induced by surface stresses in BaTiO3 and BaTiO3@SiO2 nanoparticles and ceramics; PHASE TRANSITIONS 88(8 SI); 2015; 761-775; doi: 10.1080/01411594.2014.996852
  19. Reznicek R., Chlan V., Stepankova H., Novak P.; Hyperfine field and electronic structure of magnetite below the Verwey transition; PHYSICAL REVIEW B 91(12); 2015; doi: 10.1103/PhysRevB.91.125134
  20. Toepfer Joerg, Seifert Daniela, Le Breton Jean-Marie, Falko, Chlan Vojtech, Kouril Karel, Stepankova Helena; Hexagonal ferrites of X-, W-, and M-type in the system Sr-Fe-O: A comparative study; JOURNAL OF SOLID STATE CHEMISTRY 226; 2015; 133-141; doi: 10.1016/j.jssc.2015.02.007
  21. Kouril K., Chlan V., Stepankova H., Reznicek R., Laguta V. V., Raevski I. P.; NMR Study of Multiferroic Iron Niobate Perovskites; ACTA PHYSICA POLONICA A 127(2); 2015; 234-236;
  22. Kristan P., Hondlik O., Stepankova H., Chlan V., Kouril K., Reznicek R., Pollert E., Veverka P.; Nuclear Magnetic Resonance in Hexaferrite/Maghemite Composite Nanoparticles; ACTA PHYSICA POLONICA A 127(2); 2015; 514-516;
  23. Chlan V., Kouril K., Stepankova H.; Hyperfine Fields and Lattice Deformations in Ba and Sr Hexaferrites; ACTA PHYSICA POLONICA A 127(2); 2015; 594-596;
  24. Chlan V., Kouril K., Stepankova H., Reznicek R., Englich J.; Study of Y-type Hexaferrite by Means of Fe-57 NMR and Electronic Structure Calculations; ACTA PHYSICA POLONICA A 126(1); 2014; 42-43;
  25. Kristan P., Chlan V., Stepankova H., Reznicek R., Goernert P., Payer P.; Structure of Iron Oxide Nanoparticles Studied by Fe-57 NMR; ACTA PHYSICA POLONICA A 126(1); 2014; 138-139;
  26. Kristan Petr, Chlan Vojtech, Stepankova Helena, Reznicek , Kouril Karel, Stepanek Josef, Polakova Katerina, Prochazka Vit, Cuda Jan, Medrik Ivo; Bentonite/Iron Oxide Composites: Preparation and Characterization by Hyperfine Methods; JOURNAL OF NANOMATERIALS; 2013; doi: 10.1155/2013/179794
  27. Reznicek Richard, Stepankova Helena, Chlan Vojtech, Novak Pavel, Kozlowski Andrzej; Analysis of Cationic Impurity Impact on Hyperfine Interactions in Magnetite; IEEE TRANSACTIONS ON MAGNETICS 48(11); 2012; 3039-3042; doi: 10.1109/TMAG.2012.2204967
  28. Reznicek R., Chlan V., Stepankova H., Novak P., Marysko M.; Magnetocrystalline anisotropy of magnetite; JOURNAL OF PHYSICS-CONDENSED MATTER 24(5); 2012; doi: 10.1088/0953-8984/24/5/055501
  29. Chlan V., Stepankova H., Reznicek R., Novak P.; Anisotropy of hyperfine interactions as a tool for interpretation of NMR spectra in magnetic materials; SOLID STATE NUCLEAR MAGNETIC RESONANCE 40(1); 2011; 27-30; doi: 10.1016/j.ssnmr.2011.04.002
  30. Prochazka V., Stepankova H., Chlan V., Tucek J., Cuda J., Kouril K., Filip J., Zboril R.; Electric field gradient in FeTiO3 by nuclear magnetic resonance and ab initio calculations; JOURNAL OF PHYSICS-CONDENSED MATTER 23(20); 2011; doi: 10.1088/0953-8984/23/20/205503
  31. Chlan V., Stepankova H., Englich J., Reznicek R., Kouril K., Kucera M., Nitsch K.; Antisite Defects in Epitaxial Films of Lutetium Doped Yttrium Iron Garnets Studied by Nuclear Magnetic Resonance; ACTA PHYSICA POLONICA A 118(5); 2010; 846-847;
  32. Novak P., Chlan V., Knizek K.; Giant Magnetoelectricity in Aluminium Substituted Y-Hexaferrites; ACTA PHYSICA POLONICA A 118(5); 2010; 723-724;
  33. Sedlak B., Kouril K., Chlan V., Reznicek R., Kristan P., Pfeffer M., Englich J., Stepankova H.; Tuned Probehead for NMR Spectroscopy in Magnetically Ordered Materials; ACTA PHYSICA POLONICA A 118(5); 2010; 924-925;
  34. Chlan Vojtech, Novak Pavel; Ab-initio calculation of electronic structure of partially inverted manganese ferrite; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322(9-12); 2010; 1056-1058; doi: 10.1016/j.jmmm.2009.06.001
  35. Kouril K, Kohout J, Stepankova H, Englich J, Chlan V; Nuclear magnetic resonance of Fe-57 from magnetic domains and walls in yttrium iron garnet; ACTA PHYSICA SLOVACA 56(1); 2006; 31-34;
  36. Kakol Z., Krol G., Tabis W., Kolodziej T., Wisniewski , Stepankova H., Chlan V., Kusz J., Tarnawski Z., Kozlowski A., Honig J. M.; Easy axis switching in magnetite; 303; 2011; doi: 10.1088/1742-6596/303/1/012106
  37. Kouril K., Chlan V., Stepankova H., Telfah A., Novak P., Knizek K., Hiraoka Y., Kimura T.; Distribution of Zn in Magnetoelectric Y-Type Hexaferrite; ACTA PHYSICA POLONICA A 118(5); 2010; 732-733;
  38. Chlan Vojtech, Novak Pavel, Stepankova Helena, Reznicek Richard, Kouril Karel, Kozlowski Andrzej; Electronic structure and hyperfine fields in non-stoichiometric magnetite above the Verwey transition; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322(9-12); 2010; 1079-1081; doi: 10.1016/j.jmmm.2009.03.026
  39. Prochazka Vit, Sikora Marcin, Kapusta Czeslaw, Stepankova Helena, Chlan Vojtech, Knizek Karel, Jirak Zdenek; Local surrounding of Mn in LaMn1-xCoxO3 compounds by means of EXAFS on Mn-K; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322(9-12); 2010; 1198-1200; doi: 10.1016/j.jmmm.2009.06.002
  40. Chlan V., Prochazka V., Stepankova H., Sedlak B., Novak P., Simsa Z., Brabers V. A. M.; (57)Fe NMR study of manganese ferrites; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 320(14); 2008; E96-E99; doi: 10.1016/j.jmmm.2008.02.022
  41. Stepankova H, Englich J, Stepanek J, Kohout J, Pfeffer M, Cerna J, Chlan V, Prochazka V, Bunyatova E; Nuclear spin-lattice relaxations in ethanol with dissolved TEMPO radicals; ACTA PHYSICA SLOVACA 56(2); 2006; 141-144;
  42. Chlan V., Kouril K., Stepankova H., Reznicek R., J., Tabis W., Krol G., Tarnawski Z., Kakol Z., Kozlowski A.; Magnetically induced structural reorientation in magnetite studied by nuclear magnetic resonance; JOURNAL OF APPLIED PHYSICS 108(8); 2010; doi: 10.1063/1.3501108
  43. Kouril Karel, Chlan Vojtech, Stepankova Helena, Novak Pavel Knizek Karel, Hybler Jiri, Kimura Tsuyoshi, Hiraoka Yuji, Bursik Josef; Hyperfine interactions in magnetoelectric hexaferrite system; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322(9-12); 2010; 1243-1245; doi: 10.1016/j.jmmm.2009.03.011
  44. Chlan V., Novak P., Stepankova H., Englich J., Kuriplach J., Niznansky D.; Hyperfine interactions in lutetium iron garnet; JOURNAL OF APPLIED PHYSICS 99(8); 2006; doi: 10.1063/1.2158687
  45. Prochazka V, Stepankova H, Stepanek J, Snezhko A, Chlan V, Kouril K; Exchange interactions in barium hexaferrite; ACTA PHYSICA SLOVACA 56(2); 2006; 165-168;
  46. Novak P., Chlan V.; Contact hyperfine field at Fe nuclei from density functional calculations; PHYSICAL REVIEW B 81(17); 2010; doi: 10.1103/PhysRevB.81.174412
  47. Stepankova Helena, Kouril Karel, Chlan Vojtech, Goernert Peter, Mueller Robert, Stepanek Josef; Internal magnetic fields in submicron particles of barium hexaferrite detected by Fe-57 NMR; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 322(9-12); 2010; 1323-1326; doi: 10.1016/j.jmmm.2009.04.002
  48. Stepankova H., Sedlak B., Chlan V.; (57)Fe NMR and spin structure of manganese ferrite; PHYSICAL REVIEW B 77(9); 2008; doi: 10.1103/PhysRevB.77.092416
  49. Chlan V., Gamaliy E., Stepankova H., Kouril K., Englich J., Kohout J., Brabers V.; Nuclear magnetic resonance of Fe-57 in Al-, Ga- and Ti-substituted magnetite above Verwey temperature; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 310(2 Part 3); 2007; 2555-2557; doi: 10.1016/j.jmmm.2006.10.867
  50. Chlan V, Stepankova H, Prochazka V, Englich J, Kohout J, Niznansky D, Bursik J; Antisite defects in lutetium and yttrium iron garnets prepared by liquid mix technique; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 290(Part 2 SI); 2005; 993-996; doi: 10.1016/j.jmmm.2004.11.307
  51. Kohout J, Gamaliy E, Stepankova H, Englich J, Prochazka V, Chlan V, Brabers VAM; NMR of Fe-57, Ga-69 and Ga-71 in Ga substituted magnetite; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 290(Part 2 SI); 2005; 1018-1020; doi: 10.1016/j.jmmm.2004.11.348