Würzburg University
Dr. Ewelina Hankiewicz, Associate Professor of Physics at Würzburg
Würzburg Mesoscopic Physics Group

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Funding: We acknowledge DFG grant HA 5893/1-1 within focused spintronics program.

List of Publications

  1. C. Brüne, A. Roth, H. Buhmann, E. M. Hankiewicz, L. W. Molenkamp, J. Maciejko, X. L. Qi, S. C. Zhang Spin polarization of the quantum spin Hall edge states, arXiv:1107.0585.
  2. G. Tkachov, E. M. Hankiewicz. Two-dimensional topological insulators in quantizing magnetic fields, arXiv:1106.1059v1.
  3. G. Tkachov, E. M. Hankiewicz. Weak antilocalization in HgTe quantum wells and topological surface states: Massive vs. massless Dirac fermions, Phys. Rev. B 84, 035444 (2011).
  4. G. Tkachov and E. M. Hankiewicz. Anomalous Galvanomagnetism, Cyclotron Resonance and Microwave Spectroscopy of Topological Insulators, Phys. Rev. B 84, 035405 (2011).
  5. C. Brüne, C. X. Liu, E. G. Novik, E. M. Hankiewicz, H. Buhmann, Y. L. Chen, X. L. Qi, Z. X. Shen, S. C. Zhang and L. W. Molenkamp. Quantum Hall Effect from the Topological Surface States of Strained Bulk HgTe, Phys. Rev. Lett. 106, 126803 (2011).
  6. G. Tkachov, C. Thienel, V. Pinneker, B. Büttner, C. Brüne, H. Buhmann, L. W. Molenkamp, and E. M. Hankiewicz. Backscattering of Dirac fermions in finite mass HgTe quantum wells, Phys. Rev. Lett. 106, 076802 (2011).
  7. G. Tkachov and E. M. Hankiewicz. Transition Between Ordinary and Topological Insulator Regimes in Two-Dimensional Resonant Magnetotransport, Phys. Rev. B 83, 155412 (2011).
  8. B. Büttner, C. X. Liu, G. Tkachov, E. G. Novik, C. Brüne, H. Buhmann, E. M. Hankiewicz, P. Recher, B. Trauzettel, S. C. Zhang, and L. W. Molenkamp. Single Valley Dirac Fermions in Zero-Gap HgTe Quantum Wells, Nature Physics 7, 418-422 (2011) ; doi:10.1038/nphys1914 Article.
  9. C. Brüne, A. Roth, E.G. Novik, M König, H. Buhmann, E. M. Hankiewicz, W. Hanke, J. Sinova, and L. W. Molenkamp. Evidence for the Ballistic Intrinsic Spin-Hall Effect in HgTe Nanostructures, Nature Physics 6, 448 (2010).
  10. G. Tkachov and E. M. Hankiewicz. Ballistic Quantum Spin-Hall State in Strong Magnetic Fields, Phys. Rev. Lett. 104, 166803 (2010).
  11. P. Recher, E. G. Novik, R. W. Reinthaler, D. G. Rothe, E. M. Hankiewicz, and B. Trauzettel. Signatures of topology in ballistic bulk transport of HgTe quantum wells, Proc. SPIE 7760, 776018 (2010).
  12. D. G. Rothe , R. W. Reinthaler, C.-X. Liu, L. W. Molenkamp, S.-C. Zhang, and E. M. Hankiewicz. Fingerprint of Different Spin-Orbit Terms for Spin Transport in HgTe Quantum Wells, New J. Phys. 12 065012 (2010), Special Topological Insulators Issue.
  13. E. M. Hankiewicz and B. Trauzettel. Lückenschluss an der Oberfläche (in German), Physik Journal 9, Nr. 10, 20 (2010).
  14. E. G. Novik, P. Recher, E. M. Hankiewicz and B. Trauzettel. Signatures of topology in ballistic bulk transport of HgTe quantum wells, Phys. Rev. B 81, 241303(R), (2010).
  15. D. Culcer, E. M. Hankiewicz, G. Vignale and R. Winkler . Side-jumps in the spin-Hall effect: construction of the Boltzmann collision integral, Phys. Rev. B 81, 125332 (2010).
  16. J. Gomez, F. Perez, E. M. Hankiewicz, B. Jusserand, G. Karczewski and T. Wojtowicz. Intrinsic damping of spin waves by spin-current in conducting two-dimensional systems, Phys. Rev. B 81 100403(R), (2010).
  17. E. M. Hankiewicz and G. Vignale. Spin-Hall effect and spin-Coulomb drag in doped semiconductors, J. Phys.: Condens. Matter 21 253202 (2009).
  18. Y. Tserkovnyak, E. M. Hankiewicz and G. Vignale. Transverse spin diffusion in ferromagnets, Physical Review B 79, 094415. (2009)
  19. E. M. Hankiewicz, G. Vignale and Y. Tserkovnyak. Inhomogeneous Gilbert damping from impurities and electron-electron interactions, Phys. Rev. B 78, 020404. (2008)
  20. E. M. Hankiewicz and G. Vignale. Phase diagram of spin-Hall effect, Phys. Rev. Lett. 100, 026602. (2008)
  21. E. M. Hankiewicz, G. Vignale and Y. Tserkovnyak. Gilbert damping and spin-Coulomb drag in a magnetized electron liquid with spin-orbit interaction, Phys. Rev. B 75, 174434. (2007).
  22. E. M. Hankiewicz, G. Vignale and M. Flatte. Spin-Hall effect in a [110] quantum well, Phys. Rev. Lett. 97, 266601. (2006)
  23. M. Koenig, A. Tschetschetkin, E.M. Hankiewicz, Jairo Sinova, V. Hock, V. Daumer, M. Schaefer, C.R. Becker, H. Buhmann, L.W. Molenkamp. Direct observation of the Aharonov-Casher phase, Phys. Rev. Lett. 96 076804 (2006).
  24. E. M. Hankiewicz and Giovanni Vignale. Spin Coulomb drag corrections to the extrinsic spin-Hall effect of a two-dimensional electron gas, Phys. Rev. B 73, 115339 (2006).
  25. E. M. Hankiewicz, Jian Li, Tomas Jungwirth, Qian Niu, Shun-Qing Shen, and J. Sinova. Charge Hall effect driven by spin-dependent chemical potential gradients and Onsager relations in mesoscopic systems, Phys. Rev. B 72, 155305 (2005).
  26. E. M. Hankiewicz, L. W. Molenkamp, T. Jungwirth, and Jairo Sinova. Manifestation of the Spin–Hall Effect through Transport in the Mesoscopic Regimes. Phys. Rev. B 70, 241301(R) (2004); cond-mat/0409334.
  27. E. M. Hankiewicz, N. A. Sinitsyn and J. Sinova. Spin Currents and Intrinsic Spin–Hall Effect in Low Dimensional Systems. Journal of Superconductivity 18, 151 (2005); Proceeding of PASPS III Conference.
  28. E. M. Hankiewicz, T. Jungwirth, T. Dietl, C. Timm, and Jairo Sinova. Ac Conductivity and Magneto–Optical Effects in the Metallic (III,Mn)V Ferromagnetic Semiconductors from the Infrared to Visible Range. AIP Conference Proceedings 772, 1365 (2005).
  29. E. M. Hankiewicz, T. Jungwirth, T. Dietl, C. Timm, and Jairo Sinova. Optical Properties of Metallic (III,Mn)V Ferromagnetic Semiconductors in the Infrared to Visible Range. Phys. Rev. B 70, 245211 (2004).
  30. N. A. Sinitsyn, E. M. Hankiewicz, W. Teizer, and J. Sinova. Spin–Hall and Spin–Diagonal Conductivity in the presence of Rashba and Dresselhaus Spin–Orbit Coupling. Phys. Rev. B 70, 081312R (2004). Selected for inclusion in Virtual Journal of Nanoscale Science&Technology; cond-mat/0310315.
  31. E. M. Hankiewicz, R. Buczko, and Z. Wilamowski. Magnetic Polarons in Weakly Doped High–Tc Superconductors. Phys. Rev. B 66, 064521 (2002); cond-mat/0105254.
  32. O. M. Fedorych, E. M. Hankiewicz, Z. Wilamowski, and J. Sadowski. Single Ion Anisotropy of Mn–doped GaAs Measured by Electron Paramagnetic Resonance. Phys. Rev. B 66, 045201 (2002); cond-mat/0106227.
  33. E. M. Hankiewicz, R. Buczko, and Z. Wilamowski. Comb–like Polarons and Bipolarons in Antiferromagnetic Materials. Acta Physica Polonica 97, 185 (2000).
  34. Z. Wilamowski, and E. M. Hankiewicz. Destruction of Antiferromagnetic Order by Localized Polarons. Acta Physica Polonica 97, 403 (2000).
  35. E. M. Hankiewicz, R. Buczko, and Z. Wilamowski. New Type of Antiferromagnetic Polaron and Fipolaron in HTc – Superconductors. Physica B, 284-288 , 437 (2000); cond-mat/9907081.
  36. W. Sadowki, E. M. Hankiewicz, T. Klimczuk, and A. Wieczorek–Klimczuk. Studies of twinned surface of YBa2Cu3O7-δ. Physica C 341-348, 533 (2000).

Invited Talks

  1. Spin-Hall effects at the nanoscale and beyond, Institut des NanoSciences de Paris (CNRS), Paris, 2009.
  2. Keeping Moore's Law Valid: Novel Spin-Transport Effects at the Nanoscale to the Rescue , University of Hamburg , 2009.
  3. Side jumps in the spin-Hall effect: a density-matrix picture, Spintech V, Cracow, Poland, July 2009.
  4. Spin-Hall effects at the nanoscale and beyond, University of Regensburg, 2009.
  5. Ballistic spin-Hall effect, Kavli Institute of Theoretical Physics, Santa Barbara, 2008.
  6. Keeping Moore's Law Valid: Novel Transport Effects at the Nanoscale to the Rescue, Physikalisches Kolloquim, Wurzburg University, 2008.
  7. Amazing spin transport effects at the nanoscale, University of Basel, Switzerland, 2008.
  8. Ballistic spin Hall effect in HgTe nanostructures, 421st Wilhelm and Else Heraeus Seminar on the spin-Hall effect, Bad Honnef, Germany, 2008.
  9. Ballistic Intrinsic Spin-Hall Effect in HgTe Nanostructures, Wake Forest University, Winston-Salem, 2008.
  10. Amazing spin transport effects at the nanoscale, Wake Forest University, Winston-Salem, 2008.
  11. Coulomb Interaction in the Spin-Hall Effect, invited talk at the 2007 March Meeting, Denver, CO.
  12. New avenues to computational technology: novel spin transport effects at the nanoscale, The College of Nanoscale Science and Engineering, University of Albany, SUNY, 2007.
  13. New avenues to computational technology: novel spin transport effects at the nanoscale, Fordham University, 2007.
  14. New avenues to computational technology: novel spin transport effects at the nanoscale, Case Western Reserve University, 2007.
  15. Amazing spin transport phenomena in mesoscopic systems, Northern Arizona University, 2007.
  16. Amazing spin transport phenomena in mesoscopic systems, University of Denver, 2007.
  17. Many body effects in spin transport, University of Kansas, Lawrence, KS, 2006.
  18. Spin transport and spin–Hall effect in 2DEG, Boston University, Boston, MA, 2006.
  19. Spin transport and spin–Hall effect in 2DEG, Wurzburg University, Wurzburg, Germany, 2006.
  20. Side jump as an intrinsic spin–Hall effect, Spintronics Workshop at KITP in Santa Barbara, California, 2006.
  21. Spin Hall effect in two–dimensional electron gas, NATO ASI School, Cluj–Napoca, Romania, 2005.
  22. Spin–Hall effect in the mesoscopic regime, University of Missouri–Columbia, Columbia, Missouri, 2005.
  23. Form Disorder in Strongly–correlated Systems to Better Spintronic Devices, University of Iowa, Iowa City, Iowa, 2003.
  24. Is a Magnetic Polaron a Key to Understand High–Tc Superconductivity?, Ames Laboratory, Ames, Iowa, 2002.
  25. Comb–Like Polarons and Bipolarons in Antiferromagnetic Materials, Poznan, Poland, 1999.

List of Conference Presentations

  1. G. Tkachov and E. M. Hankiewicz. Ballistic quantum spin Hall state in strong magnetic fields, Symposium Spin Manipulation in Solid State Systems; Würzburg University (2009).
  2. D. Rothe and E. M. Hankiewicz. Theory of the spin-Hall effects in HgTe Nanostructures, Spintech V; Cracow, Poland (2009).
  3. E. M. Hankiewicz, H. Buhmann, L. W. Molenkamp, W. Hanke and J. Sinova. Theory of spin-Hall effect in HgTe, DPG Dresden, Germany (2009).
  4. C. Brüne, A. Roth, E. G. Novik, M König, E.M. Hankiewicz, H. Buhmann, and L. W. Laurens Molenkamp. Ballistic Intrinsic Spin-Hall Effect in HgTe Nanostructures, DPG Dresden, Germany (2009).
  5. C. G. Pieretti and E. M. Hankiewicz. Keeping Moore's law valid: Novel transport effects at the nanoscale, Fordham Undergraduate Research Workshop; New York (2008).
  6. E. M. Hankiewicz, M. König, J. Sinova, H. Buhmann and L.W. Molenkamp. Observation of intrinsic spin-Hall effect in transport, APS March Meeting; New Orleans (2008).
  7. E. M. Hankiewicz, G. Vignale and Y. Tserkovnyak. Observation of intrinsic spin-Hall effect in transport, APS March Meeting; New Orleans (2008).
  8. G. Vignale and E. M. Hankiewicz. Gilbert damping and spin Coulomb drag in a magnetized electron liquid with spin-orbit interaction, Spintech IV; Maui, HI (2007).
  9. E. M. Hankiewicz and G. Vignale. Consistent treatment of skew scattering, sidejump, spin precession and magnetic field in the Spin-Hall effect, Spintech IV; Maui, HI (2007).
  10. E. M. Hankiewicz, G. Vignale, and Y. Tserkovnyak. Gilbert damping and spin Coulomb drag in a magnetized electron liquid with spin-orbit interaction, APS March Meeting; Denver, CO (2007).
  11. E. M. Hankiewicz, G. Vignale, L. W. Molenkamp and W. Hanke. Spin transport and Spin-Hall effect in 2DEG, 12th Advanced Heterostructure Workshop; Big Island of Hawaii (December 3-8 2006).
  12. E. M. Hankiewicz and G. Vignale. Many body effects in the electron systems with the spin-orbit interactions, 53rd Midwest Conference; Kansas City, MO (2006).
  13. E. M. Hankiewicz, G. Vignale, and M. Flatte. Spin transport and Spin-Hall effect in 2DEG. Gordon Conference; Mount Holyoke College, South Hadley, MA (2006).
  14. E. M. Hankiewicz, G. Vignale, and M. Flatte. What is intrinsic and what is extrinsic in the spin Hall effect? March Meeting 2006; Baltimore, MD.
  15. G. Vignale and E. M. Hankiewicz. Microscopic calculation of the Gilbert damping in a spin-polarized two-dimensional electron liquid with Rashba spin-orbit interaction. March Meeting 2006; Baltimore, MD.
  16. M. Koenig, E. M. Hankiewicz, J. Sinova, A. Tschetschetkin, V. Hock, V. Daumer, M. Schafer, C. R. Becker, H. Buhmann, and L. W. Molenkamp. Direct observation of the Aharonov-Casher phase. March Meeting 2006; Baltimore, MD.
  17. E. M. Hankiewicz, L.W.Molenkamp, T.Jungwirth, J.Sinova and G.Vignale. Spin transport and spin-Hall effect in 2DEG. 52nd Midwest Solid State Conference; Columbia, MO (2005).
  18. M. Konig, A. Tschetschetkin, E. M. Hankiewicz, J. Sinova, M. Schafer, C. R. Becker, H. Buhmann, L. W. Molenkamp. Direct observation of geometric phases in HgTe ring structures 12th International Conference on II-VI Compounds; Warsaw, Poland (2005).
  19. E. M. Hankiewicz, M. Konig, L. Molenkamp,T. Jungwirth, and J. Sinova. Spin-Hall effect and related spin-charge transport in one and two-dimensional mesoscopic systems. March Meeting 2005; Los Angeles, CA.
  20. E. M. Hankiewicz, N. A. Sinitsyn and J. Sinova. Spin Currents and Intrinsic Spin–Hall Effect in Low Dimensional Systems. The 3rd International Conference on Physics and Applications of Spin–Related Phenomena in Semiconductors (PASPS III); Santa Barbara, CA (July 21–23, 2004). Link to Summary.
  21. E. M. Hankiewicz, T. Jungwirth, T. Dietl, C. Timm, and Jairo Sinova. Optical Properties of Metallic (III,Mn)V Ferromagnetic Semiconductors in the Infrared to Visible Range. The 3rd International Conference on Physics and Applications of Spin–Related Phenomena in Semiconductors (PASPS III); Santa Barbara, CA (July 21–23, 2004). Link to Summary
  22. E. M. Hankiewicz, N. A. Sinitsyn, T. Jungwirth, K. Nomura, D. Culcer, Q. Niu, A. H. MacDonald and J. Sinova. Spin–Hall Effect and Related Phenomena in Low Dimensional System. ICPS 2004; Flagstaff, AZ (July 26-30, 2004).
  23. E. M. Hankiewicz, T. Jungwirth, T. Dietl, C. Timm, and Jairo Sinova. Ac Conductivity and Magneto–optical Effects in the Metallic (III,Mn)V Ferromagnetic Semiconductors from the Infrared to Visible Range. ICPS 2004; Flagstaff, AZ (July 26–30, 2004).
  24. E. M. Hankiewicz, O. M. Fedorych, Z. Wilamowski, and J. Sadowski. Electron Magnetic Resonance in Ga(Mn,As). EMR Developments and Applications in Chemistry, Biology, and Materials Science; Tallahassee, Florida (December 2002).
  25. E. M. Hankiewicz, Z. Wilamowski, and R. Buczko. Magnetic Polarons in High–Tc superconductors. Nineteenth Winter School of Theoretical Physics in Jerusalem on High–temperature Superconductivity & Correlated Systems; Jerusalem,Isreal (December 2001 – January 2002).
  26. E. M. Hankiewicz, Z. Wilamowski, and R. Buczko. Charge and Spin Segregation in 2D Antiferromagnet caused by Magnetic Polarons. Twenty–ninth International School on the Physics of Semiconducting Compounds; Jaszowiec, Poland (2000).
  27. E. M. Hankiewicz, R. Buczko, and Z. Wilamowski. New Type of Antiferromagnetic Polaron and Bipolaron in HTc–superconductors. International Conference of Low Temperature Physics LT22; Helsinki, Finland (1999).
  28. E. M. Hankiewicz, R.Buczko, and Z.Wilamowski. Polarons in Antiferromagnetic Materials. Twenty–ninth International School on the Physics of Semiconducting Compounds; Jaszowiec, Poland (1999).
  29. E. M. Hankiewicz, R. Buczko, and Z. Wilamowski. Purely Magnetic Polarons and Bipolarons on 1D and 2D Antiferromagnet. National Symposium of High–T_c Superconductivity; Sobieszewo, Poland (1999).
  30. E. M. Hankiewicz, R. Buczko, and Z. Wilamowski. Sp–d Coupling in Antiferromagnetic Semiconductors. Twenty–seventh International School on the Physics of Semiconducting Compounds; Jaszowiec, Poland (1998).
  31. Z. Wilamowski, and E. M. Hankiewicz. Can metal and insulator domains coexist? Twenty–ninth International School on the Physics of Semiconducting Compounds; Jaszowiec, Poland (1998).
  32. E. M. Hankiewicz, R. Buczko, and Z. Wilamowski. The Exchange of Conducting Electrons with Antiferromagnetic Chains. Second Polish – US Conference on High Temperature Superconductivity; Karpacz, Poland (1998).
  33. E. M. Hankiewicz, W.Sadowski, and T.Klimczuk. Studies of Twinned Surface of Superconducting YBa2Cu3O7–δ Single Crystals. Second Polish – US Conference on High Temperature Superconductivity; Karpacz, Poland (1998).
  34. Z. Wilamowski, and E. M. Hankiewicz. Mott Transition for Localised Impurities. Polish – Lithuanian Seminar; Kaunas, Lithuania (1998).
  35. E. M. Hankiewicz, Z. Wilamowski and R. Buczko. Quantum Coherence in Antiferromagnetic Systems. International School of Theoretical Physics; Ustron, Poland (1998).
  36. E. M. Hankiewicz,W. Sadowski, B. Susla, R. Czajka, and S. Szuba. Studies of Twinning Processes in YBa2Cu3O 7–δ. International Conference on Intermolecular Interactions in Matter; Gdansk – Sobieszewo, Poland (1997).
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