Vitalii Dugaev Professor Catedrático Convidado Department of Physics and Center for Physics of Fundamental Interactions, Instituto Superior Técnico Av. Rovisco Pais, 1049-001 Lisbon, Portugal Phone: +351-21-841 9107; +48-17-865 1917; Fax : +48-17-854 1114 E-mail: vdugaev@cfif.ist.utl.pt

Research Topics:

Theory of condensed matter, metals and semiconductors, superlattices and quantum wells, magnetic interactions, disordered systems.

Present Research Activities:

- Theory of transport and magnetic properties of low-dimensional structures;

- Electronic and magnetic properties of metal-metal and metal-semiconductor interfaces;

- Spin electronics: materials, structures, devices, and theoretical problems.

Teaching:

Topics in Condensed Matter Physics
Lecture Course for graduate students (Winter semester 2004/2005):
Spin-dependent transport theory

Proposta de Trabalho Final de Curso:
Title: "Current-induced dynamics of domain walls in magnetic nanowires"

Lecture Course (Winter semester 2005/2006):
Física da Matéria Condensada Avançada I
Doutoramento em Fisica

Selected publications

N. Sedlmayr, V. K. Dugaev, M. Inglot, J. Berakdar.
Indirect interaction of magnetic domain walls.
Physica Status Solidi RRL, vol. 5, 450 (2011).

V. I. Ivanov, V. K. Dugaev, E. Ya. Sherman, J. Barnas.
Nonlinear spin current generation in (110)-oriented GaAs quantum well.
Physical Review B, vol. 84, 085326 (2011).

M. Taillefumier, V. K. Dugaev, B. Canals, C. Lacroix, P. Bruno.
Graphene in periodically alternating magnetic field: unusual quantization of the anomalous Hall effect.
Physical Review B, vol. 84, 085427 (2011).

V. K. Dugaev, E. Ya. Sherman, J. Barnas,
Spin dephasing and pumping in graphene due to random spin-orbit interaction.
Physical Review B, vol. 83, 085306 (2011).

N. Sedlmayr, V. K. Dugaev, J. Berakdar.
Spin-density waves and domain interactions in nanowires.
Physical Review B, vol. 83, 174447 (2011).

M. Inglot, V. K. Dugaev,
Impurity states in graphene with intrinsic spin-orbit interaction.
Journal of Applied Physics, vol. 109, 123709 (2011).

A. V. K. Dugaev, M. Inglot, E. Ya. Sherman, J. Barnas.
Robust impurity-scattering spin Hall effect in two-dimensional electron gas,
Physical Review B (Rapid communications), vol. 82, 121310(R) (2010).

A. M. M. Glazov, E. Ya. Sherman, V. K. Dugaev.
Two-dimensional electron gas with spin-orbit coupling disorder (review).
Physica E, vol. 42, 2157 (2010).

A. D. Herranz, F .G. Aliev, C. Tiusan, M. Hehn, V. K. Dugaev, J. Barnas.
Tunneling in double barrier junctions with “hot spots”.
Physical Review Letters, vol. 105, 047207 (2010).

A. E. Ya. Sherman, J. G. Muga, V. K. Dugaev, A. Ruschhaupt.
Strong electron spin-Hall effect by a coherent optical potential.
Semiconductor Science and Technology, vol. 25, 095004 (2010).

A. P. D. Sacramento, V. K. Dugaev, V. R. Vieira, M. Araujo.
Correlated magnetic impurities in a superconductor: electron density profiles and robustness of superconductivity.
Journal of Physics: Condensed Matter, vol. 22, 025701 (2010).

A. R. Guerrero, F. G. Aliev, R. Villar, T. Santos, J. Moodera, V. K. Dugaev, J. Barnas.
Conductance in Co|Al2O3|Si|Al2O3 permalloy with asymmetrically doped barrier.
Physical Review B, vol. 81, 014404 (2010).

A. P. Horley, V. Vieira, P. N. Gorley, J. G. Hernandez, V. K. Dugaev, J. Barnas.
Ultra-fast ballistic magnetization reversal triggered by a single magnetic field pulse.
Journal of Physics D: Applied Physics, vol. 42, 245007 (2009).

A. Dyrdal, V. K. Dugaev, J. Barnas.
Spin Hall effect in a system of Dirac fermions in the graphene lattice with intrinsic and Rashba spin-orbit interactions.
Physical Review B, vol. 80, 155444 (2009).

V. K. Dugaev, E. Ya. Sherman, V. I. Ivanov, J. Barnas.
Spin relaxation and combined resonance in two-dimensional electron systems with spin-orbit disorder.
Physical Review B (Rapid Communication), vol. 80, 081301(R) (2009).

P. P. Horley, V. R. Vieira, P. D. Sacramento, V. K. Dugaev.
Application of the stereographic projection to studies of magnetization dynamics described by the Landau-Lifshitz-Gilbert equation.
Journal of Physics A: Mathematical and General, vol. 42, 315211 (2009).

V. I. Litvinov, V. K. Dugaev.
Room-temperature ferromagnetism in dielectric GaN(Gd).
Applied Physics Letters, vol. 94, 212506 (2009).

N. Sedlmayr, V. K. Dugaev, J. Berakdar.
Current-induced interactions of a multiple domain walls in magnetic quantum wires.
Physical Review B, vol. 79, 174422 (2009).

A. Dyrdal, V. K. Dugaev, J. Barnas.
Spin Hall effect in IV-VI semiconductors.
Europhysics Letters, vol. 85, 67004 (2009).

A. Dyrdal, V.K. Dugaev, J. Barnas
Anomalous Hall effect in IV-VI magnetic semiconductors.
Physical Review B, vol. 78, 245208 (2008).

M. Taillefumier, V. K. Dugaev, B. Canals, C. Lacroix, P. Bruno
Chiral two-dimensional electron gas in a periodic magnetic field: Persistent current and quantized anomalous Hall effect.
Physical Review B, vol. 78, 155330 (2008).

P. P. Horley, V. R. Vieira, P. M. Gorley, V. K. Dugaev, J. Berakdar, J. Barnas
Influence of a periodic magnetic field and spin-polarized current on the magnetic dynamics of a monodomain ferromagnet.
Physical Review B, vol. 78, 054417 (2008).

V. K. Dugaev, P. Bruno, J. Barnas
Comment on "Weak localization in ferromagnetic (Ga,Mn)As nanostructures".
Physical Review Letters, vol. 101, 129701 (2008).

N. Paunkowic, P. D. Sacramento, P. Nogueira, V. R. Vieira, V. K. Dugaev
Fidelity between partial states as a signature of quantum phase transitions.
Physical Review B, vol. 77, 052302 (2008).

P. P. Horley, V. R. Vieira, P. M. Gorley, V. K. Dugaev, J. Barnas
Current-induced dynamics of a monodomain ferromagnet in an external magnetic field applied in easy magnetic plane: macroscopic model.
Physical Review B, vol. 77, 094427 (2008).

T. S. Nunner, N. A. Sinitsyn, M. F. Borunda, V. K. Dugaev, A. A. Kovalev, Ar. Abanov, C. Timm, T. Jungwirth, J. Inoue, A. H. MacDonald. J. Sinova.
Anomalous Hall effect in a two-dimensional electron gas.
Physical Review B, vol. 76, 235312 (2007).

V. F. Mitin, V. K. Dugaev, G. G. Ihas.
Large negative magnetoresistance in Ge films at ultralow temperatures and low magnetic fields.
Applied Physics Letters, vol. 91, 202107 (2007)

P.D. Sacramento, P. Nogueira, V.R. Vieira, V.K. Dugaev.
Entanglement signatures of the quantum phase transition induced by a magnetic impurity in a superconductor.
Physical Review B, vol. 76, 184517 (2007).

M. A. N. Araujo, J. Berakdar, V. K. Dugaev, V. R. Vieira.
Role of a spin-flip scatterer in a magnetized Luttinger liquid.
Physical Review B, vol. 76, 205107 (2007).

P. D. Sacramento, V. K. Dugaev, V. R. Vieira.
Magnetically-induced superconducting correlations: Bogolyubov-de Gennes calculations of the gap profile in a superconductor with magnetic order.
Physical Review B (Rapid communications), vol. 76, 020510(R) (2007)

P. D. Sacramento, V. K. Dugaev, V. R. Vieira.
Magnetic impurities in a superconductor: Effect of domain walls and interference.
Physical Review B, vol. 76, 014512 (2007).

V. K. Dugaev, M. A. N. Araujo, V. R. Vieira, P. D. Sacramento, J. Barnas, J. Berakdar.
Spin transport in magnetic nanowires with domain walls.
“Strongly Correlated Systems, Coherence and Entanglement”, edited by J. Carmelo et al. (World Scientific, Singapore, 2007), pp. 311 –- 332

V. K. Dugaev, M. Taillefumier, B. Canals, C. Lacroix, P. Bruno.
Anomalous Hall effect.
“Strongly Correlated Systems, Coherence and Entanglement”, edited by J. Carmelo et al. (World Scientific, Singapore, 2007), pp. 145 -– 161

V. F. Mitin, P. C. McDonald, F. Pavese, N. S. Boltovets, V. V. Kholevchuk, I. Yu. Nemish, V. V. Basanets, V. K. Dugaev, P. V. Sorokin, R. V. Konakova, E. F. Venger, E. V. Mitin.
Ge-on-GaAs film resistance thermometers for cryogenic applications.
Cryogenics, vol. 47, No. 9, 474 -– 482 (2007)

S. Krompiewski, V. K. Dugaev, J. Barnas.
Resonant decoherence due to electron-electron interactions in carbon nanotubes.
Physical Review B, vol. 75, 195422 (2007)

V. K. Dugaev, P. Bruno.
Vacuum fluctuations and the spin current in mesoscopic structures with collinear magnetic order.
Physical Review B (Rapid communications), vol. 75, 201301(R) (2007)

P.M. Gorley, P.P. Horley, V.K. Dugaev, J. Barnas, W. Dobrowolski.
Application of self-organization methods to current-induced magnetization dynamics of a single-domain ferromagnet.
Journal of Applied Physics, vol. 101, 034504 (2007).

N.A. Sinitsyn, A.H. MacDonald, T. Jungwirth, V. K. Dugaev, Jairo Sinova.
Anomalous Hall effect in 2D Dirac band: link between Kubo-Streda formula and semiclassical Boltzmann equation approach.
Physical Review B, vol. 75, 045315 (2007).

V. K. Dugaev, V. I. Litvinov, J Barnas.
Exchange interaction of magnetic impurities in graphene.
Physical Review B, vol. 74, 224438 (2006).

M. A. N. Araujo, V. K. Dugaev, V. R. Vieira, J. Berakdar, J Barnas.
Transmission of correlated electrons through sharp domain walls in magnetic nanowires: a renormalization group approach.
Physical Review B, vol. 74, 224429 (2006).

M. Taillefumier, B. Canals, C. Lacroix, V.K. Dugaev, P. Bruno.
Anomalous Hall effect due to the spin chirality in the Kagomй lattice.
Physical Review B, vol. 74, 085105 (2006).

V.K. Dugaev, V.R. Vieira, P.D. Sacramento, J. Barnas, M.A.N. Araъjo, J. Berakdar.
Current-induced motion of a domain wall in a magnetic nanowire.
Physical Review B vol. 74, 054403 (2006).

V.K. Dugaev, J. Berakdar, J. Barnas.
Tunable conductance of magnetic nanowires with structured domain walls.
Physical Review Letters, vol. 96, 047208 (2006).

P. Bruno, V.K. Dugaev.
Equilibrium spin currents and magnetoelectric effect in magnetic nanostructures.
Physical Review B (Rapid Communications), vol. 72, 241302(R) (2005).

V.K. Dugaev, P. Bruno, B. Canals, C. Lacroix.
Berry phase of magnons in textured ferromagnets.
Physical Review B, vol. 72, 024456 (2005).

J. Barnas, A. Fert, M. Gmitra, I. Weymann, V.K. Dugaev.
From giant magnetoresistance to current-induced switching by spin transfer.
Physical Review B, vol. 72, 024426 (2005).

V.K. Dugaev, P. Bruno, M. Taillefumier, B. Canals, C. Lacroix.
Anomalous Hall effect in a two-dimensional electron gas with spin-orbit interaction.
Physical Review B, vol. 71, 224423 (2005).

V.K. Dugaev, J. Barnas, J. Berakdar, V.I. Ivanov, W. Dobrowolski, V.F. Mitin.
Magnetoresistance of a semiconducting magnetic wire with domain wall.
Physical Review B, vol. 71, 024430 (2005).

A. Lusakowski, V.K. Dugaev.
Ground state splitting for the Mn2+ ion in PbMnTe compounds.
Physical Review B, vol. 71, 014422 (2005).

V.K. Dugaev, J. Barnas.
Classical description of current-induced spin-transfer torque in multilayer structures.
Journal of Applied Physics, vol. 97, 023902 (2005).

P. Bruno, V.K. Dugaev, M. Taillefumier.
Topological Hall effect and Berry phase in magnetic nanostructures.
Physical Review Letters, vol. 93, 096806 (2004).

F.G. Aliev, V.K. Dugaev, J. Barnas.
Localization and interactions in magnetic nanostructures.
“Encyclopedia of Nanoscience and Nanotechnology”, edited by H. S. Nalwa, Vol. 4 (American Scientific, New York, 2004), p. 587.

V.I. Litvinov, V.K. Dugaev.
Comment on "Ferromagnetism in magnetically doped III-V semiconductors" - Reply.
Physical Review Letters, vol. 92, 069702 (2004).

V.K. Dugaev, J. Berakdar, J. Barnas.
Reflection of electrons from a domain wall in magnetic nanojunctions.
Physical Review B, Vol. 68, 104434 (2003).

F.G. Aliev, R. Schad, A. Volodin, K. Temst, C. Haesendonck, Y. Bruynserade, I. Vavra, V.K. Dugaev, R. Villar.
Electron interaction with domain walls in antiferromagnetically coupled multilayers.
Europhysics Letters, Vol. 63, 888 (2003).

V.K. Dugaev, V.I. Litvinov, J. Barnas, M. Vieira.
Exchange interaction and ferromagnetism in III-V semiconductors.
Physical Review B, Vol. 67, 033201 (2003).

J. Barnas, V.K. Dugaev.
Transport properties of domain walls in ferromagnets.
“Symmetry and Structural Properties of Condensed Matter”, edited by T. Lulek et al. (World Scientific, Singapore, 2003), p. 406.

N.S. Boltovets, V.K. Dugaev, V.V. Kholevchuk, P.C. McDonald, V.F. Mitin, I.Yu. Nemish,
F. Pavese, I. Peroni, P.V. Sorokin, E.A. Soloviev, E.F. Venger.
New generation of resistance thermometers based on Ge films on GaAs substrates.
"Temperature: Its Mesurement and Control in Science and Industry, Volume 7", edited by D. C. Ripple
AIP Conference Proceedings 684 (2003), p. 399.

V.K. Dugaev, Yu. Vygranenko, M. Vieira, V.I. Litvinov, J. Barnas.
Magnetically controlled photovoltaic diode structure.
"Magnetic and Electronic Films - Microstructure, Texture and Application to Data Storage", edited by P. W. DeHaven et al.
MRS Proceedings, Vol. 721 (Materials Research Society, Warendale, 2002), p. 223.

V.F. Mitin, V.V. Kholevchuk, V.K. Dugaev, M. Vieira.
Low temperature properties of compensated Ge films used for cryogenic thermometers.
"Defect and Impurity Engineered Semiconductors and Devices III", edited by S. Ashok et al.
MRS Proceedings, Vol. 719 (Materials Research Society, Warendale, 2002), p. 445.

M. Oszwaldowski, T. Berus, V.K. Dugaev.
Weak localization in InSb thin films heavily doped with lead.
Physical Review B, Vol. 65, 235418 (2002).

V.K. Dugaev, J. Barnas, A. Lusakowski, L.A. Turski.
Electrons in a ferromagnetic metal with a domain wall.
Physical Review B, Vol. 65, 224419 (2002).

V.K. Dugaev, J. Barnas.
Quantum corrections to conductivity in magnetic quantum wells.
"Symmetry and Structural Properties of Condensed Matter", edited by T. Lulek et al. (World Scientific, Singapore, 2001), p.243.

V.K. Dugaev, A. Crépieux, P. Bruno.
Localization corrections to the anomalous Hall effect in a ferromagnet.
Physical Review B, vol. 64, 104411 (2001).

V.K. Dugaev, P. Bruno, J. Barnas.
Weak localization in ferromagnets with spin-orbit interaction.
Physical Review B, vol. 64, 144423 (2001).

V.I. Litvinov, V.K. Dugaev.
Ferromagnetism in magnetically doped III-V semiconductors.
Physical Review Letters, vol.86, 5593 (2001).

V.K. Dugaev, J. Barnas.
Electron-electron interaction effects in magnetic layered structures.
Europhysics Letters, vol. 54, 105 (2001).

I. Stolpe, N. Puhlmann, O. Portugall, M. von Ortenberg, W. Dobrowolski, A.Yu. Sipatov, V.K. Dugaev.
Megagauss magnetospectroscopy of EuS/PbS multi-quantum wells.
Physical Review B, vol. 62, 24, 16798 (2000).

V.K. Dugaev, V.I. Litvinov, W. Dobrowolski.
Level quantization in the narrow-gap-semiconductor quantum well in a parallel magnetic field.
Physical Review B, vol. 62, 1905 (2000).

V.K. Dugaev, V.I. Litvinov, A. Lusakowski.
Mixed-valence states in narrow-gap IV-VI semiconductors with rare-earth ions.
Physical Review B, vol. 59, 15190 (1999).

V.I. Litvinov, V.K. Dugaev.
RKKY interaction in one- and two-dimensional electron gases.
Physical Review B, vol. 58, 3584 (1998).

V.I. Litvinov, V.K. Dugaev, M.M.H. Willekens, H.J.M. Swagten.
Current-in-plane magnetoresistance: an approach to boundary conditions.
Physical Review B, vol. 55, 8374 (1997).

V.K. Dugaev, V.I. Litvinov.
Electric-current transmission through the contact of two metals.
Physical Review B, vol. 52, 5306 (1995).

V.K. Dugaev, V.I. Litvinov.
Low-temperature spin glass in IV-VI semimagnetic semiconductors.
Physical Review B, vol. 41, 788 (1990).

V.K. Dugaev, D.E. Khmelnitskii.
Kinetic equation in the theory of localization.
Sov. Phys. - JETP, vol. 63, 1097 (1986).

V.K. Dugaev, D.E. Khmelnitskii.
Magnetoresistance of metallic films with low impurity concentration in a parallel magnetic field.
Sov. Phys. - JETP, vol. 59, 1038 (1984).