prof. dr. sc. Miroslav Požek

Teaching

integrated undergraduate and graduate

• Fundamentals of Physics 1 (38071) - Lecturer in charge
• Fundamentals of Physics 1 (38072) - Lecturer in charge
• Fundamentals of Physics 1 (38073) - Lecturer in charge
• Fundamentals of Physics 1 (171903) - Lecturer in charge
• Fundamentals of Physics 2 (36404) - Lecturer in charge
• Fundamentals of Physics 2 (38074) - Lecturer in charge
• Fundamentals of Physics 2 (38075) - Lecturer in charge
• Fundamentals of Physics 2 (171904) - Lecturer in charge
• Fundamentals of physics 3 (201721) - Lecturer in charge
• Fundamentals of Physics 3 (40678) - Lecturer in charge
• Fundamentals of Physics 3 (185192) - Lecturer in charge
• Fundamentals of physics 4 (26036) - Lecturer in charge
• Fundamentals of Physics 4 (40683) - Lecturer in charge
• Fundamentals of Physics 4 (185198) - Lecturer in charge

doctoral

• Condensed Matter Physics (205310) - Lecturer in charge

Predmet

• Experimental Investigation in Solid State Physics I () - Lecturer in charge, Lecturer in charge

Scientific publications (CroRIS)

More information about publications

List of select publications

University textbooks (approved by the Senate of the University of Zagreb):

• A. Dulčić, M. Milin, N. Poljak & M. Požek, Elektromagnetizam, Školska knjiga, Zagreb, 2024. (u tisku)
• A. Dulčić, N. Poljak & M. Požek, Mehanika, Školska knjiga, Zagreb, 2023. ISBN 978-953-0-31694-2
• M. Požek & A. Dulčić: Fizički praktikum I i II, Sunnypress, Zagreb, 1999. ISBN 953-97851-1-1

Selected scientific papers:

• I. Jakovac, A. P. Dioguardi, M. S. Grbić, G. D. Gu, J. M. Tranquada, C. W. Hicks, M. Pozek, H. J. Grafe, Uniaxial stress study of spin and charge stripes in La_1.875Ba_0.125CuO₄ by ¹³⁹La NMR and ⁶³Cu NQR, Phys. Rev. B 108, 205113 (2023)
• A. Najev, S. Hameed, D. Gautreau, Z. Wang, J. Joe, M. Požek, T. Birol, R. M. Fernandes, M. Greven, D. Pelc, Uniaxial Strain Control of Bulk Ferromagnetism in Rare-Earth Titanates, Phys. Rev. Lett. 128, 167201 (2022)
• D. Pelc, P. Popčević, M. Požek, M. Greven, N. Barišić, Unusual behavior of cuprates explained by heterogeneous charge localization, Science advances 5, eaau4538 (2019)
• D. Pelc, M. Vučković, M. S. Grbić, M. Požek, G. Yu, T. Sasagawa, M. Greven, N. Barišić, Emergence of superconductivity in the cuprates via a universal percolation process, Nature Commun. 9, 4327 (2018)
• P. Popčević, D. Pelc, Y. Tang, K. Velebit, Z. Anderson, V. Nagarajan, G. Yu, M. Požek, N. Barišić, M. Greven, Percolative nature of the direct-current paraconductivity in cuprate superconductors, npj Quantum Materials 3, 42 (2018)
• M. Bosiočić, F. Bert, S. E. Dutton, R. J. Cava, P. J. Baker, M. Požek, P. Mendels,  Possible quadrupolar nematic phase in the frustrated spin chain LiCuSbO4: An NMR investigation, Phys. Rev. B 96, 224424 (2017)
• D. Pelc, M. Vučković, H.-J. Grafe, S.-H. Baek, M. Požek, Unconventional charge order in a co-doped high-T_c superconductor, Nature Commun. 7, 12775 (2016)
• J. C. C. Freitas, W. L. Scopel, W. S. Paz, L. V. Bernardes, F. E. Cunha-Filho, C. Speglich, F. M. Araújo-Moreira, D. Pelc, T. Cvitanić, M. Požek, Determination of the hyperfine magnetic field in magnetic carbon based materials: DFT calculations and NMR experiments, Sci. Rep. 5, 14761 (2015)
• D. Pelc, M. Požek, V. Despoja, D. Sunko, Mechanism of metallization and superconductivity suppression in YBa₂Cu_2.97Zn_0.03O_6.92 revealed by ⁶⁷Zn NQR, New J. Phys. 17, 083033 (2015)
• M. S. Grbić, M. Požek, D. Paar, V. Hinkov, M. Raichle, D. Haug, B. Keimer, N. Barišić, A. Dulčić, Temperature range of superconducting fluctuations above T_c in YBa₂Cu₃O_7-d single crystals, Phys.Rev. B 83,  144508 (2011)
• M. S. Grbić, N. Barišić, A. Dulčić, I. Kupčić, Y. Li, X. Zhao, G. Yu, M. Dressel, M. Greven, M. Požek, Microwave measurements of the in-plane and c-axis conductivity in HgBa₂CuO_4+d: Discriminating between superconducting fluctuations and pseudogap effects, Phys.Rev. B 80,  094511 (2009)
• D. Janjušević, M. S. Grbić, M. Požek, A. Dulčić, D. Paar, B. Nebendahl, T. Wagner, Microwave response of thin niobium films in the perpendicular static magnetic fields, Phys. Rev. B 74, 104501 (2006)
• A. Dulčić, D. Paar, M. Požek, G. V. M. Williams and S. Krämer, Magnetization and Microwave Study of Superconducting MgB₂, Phys. Rev. B 66, 014505 (2002).
• M. Požek, A. Dulčić, D. Paar, A. Hamzić, M. Basletić, E. Tafra, G. V. M. Williams and S. Krämer, Decoupled CuO₂ and RuO₂ layers in superconducting and magnetically ordered RuSr₂GdCu₂O₈, Phys. Rev. B 65, 174514 (2002).
• B. Nebendahl, D.-N. Peligrad, M. Požek, A. Dulčić, M. Mehring, An AC Method for the precise measurement of Q-factor and resonance frequency of a microwave cavity, Rev. Sci. Instrum. 72, 1876-1881 (2001).
• D.-N. Peligrad, B. Nebendahl, C. Kessler, M. Mehring, A. Dulčić, M. Požek and D. Paar, Cavity perturbation by superconducting films in microwave magnetic and electric fields, Phys. Rev. B 58, 11652-11671 (1998).
• M. Požek, A. Dulčić and B. Rakvin, Comparison of direct and modulated microwave magnetoresistance in ceramic and single crystal YBa₂Cu₃O_7-d, Physica C 197, 175-182 (1992).
• M. Požek, I. Ukrainczyk, B. Rakvin and A. Dulčić, Dynamic Measurements of Flux Creep and Flow in YBa2Cu3O7-delta Single Crystals, Europhys. Lett. 16, 683 (1991).
• B. Rakvin, M. Požek and A. Dulčić, EPR Detection of the Flux Distribution in Ceramic High-Tc Superconductors, Solid State Commun. 72, 199-201 (1989).
• A. Dulčić, B. Rakvin and M. Požek, Mechanisms of Field-Dependent Microwave Absorption in High-Tc Ceramic Superconductors, Europhys. Lett. 10, 593-598 (1989).

List of select projects

Principal investigator:

• 2020.-2024. “Interplay of structure, spin, and orbital order in perovskite cuprates and titanates”, Alexander von Humboldt Stiftung, #1022249-HRV-IP
• 2018.-2023. „Microscopic investigations of induced phases in strongly correlated electronic systems“, Croatian Science Foundation, IP-2018-01-2970
• 2014.-2018. “Local Probe and Mesoscopic Dynamics of Strongly Correlated Electron Systems”, Croatian Science Foundation, IP-11-2013-2729
• 2009.-2012. “„Strengthening the SOLid state research capacities in Zagreb by the introduction of the Nuclear Magnetic Resonance method – SOLeNeMaR“, Europska komisija, FP7 #229390
• 2007.-2012. “Mikrovalna istraživanja novih materijala”, Ministry of Science, Education and Sports

Collaborator:

• 2015-2017: UKF project „Quantum Critical Matter in Strongly Correlated Electronic Systems“, PI asoc.prof. dr. Mihael S. Grbić
• 2005.: FP6 projekt #516938 WYP2005 EUROPE – nositelj dvaju radnih paketa
• 1996.-98.: projekt "Mikrowelleneigenschaften von Supraleitern in hohen Magnetfeldern", Volkswagen-Stiftung, PIs: Prof. Dr. Michael Mehring & Prof. Dr. Antonije Dulčić