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Trohidou Kalliopi


Research Director
Institute of Materials Science - NCSR Demokritos.

Biographical Information
Research Interests
Contact Information


Biographical Information

                     1988, PhD in Physics, University of Athens, Greece

                     1988, Condensed Matter Theory Group, Rutherford-Appleton Lab., U.K.

                     1989-1990, Physics Department, University of Reading, U.K

                     1991-present Institute of Materials Science,NCSR “D”

Research Interests

                     Theoretical studies and computational modelling of the magnetic behaviour of nanostructured materials, with emphasis on the morphology, the interaction effects and magnetisation dynamics

                     Study of the magnetic behaviour of anisotropic magnetic systems with competing magnetic interactions, including magnetic semiconductors, using electronic structure

calculations and Monte Carlo simulations.

                     Magnetic neutron, muon and x-ray scattering studies of the electronic properties of magnetic materials.

Selected Publications

                     K.N. Trohidou, J.A. Blackman and J.F. Cooke: Calculation on the High Energy Spin Wave Spectrum of hcp Cobalt. Phys. Rev. Lett. 67, p2561 (1991).

                     K.N. Trohidou and S.W. Lovesey: The spectrum of longitudinal spin fluctuations in a ferromagnet including dipolar and Zeeman energies. J. Phys. Cond. Matter 51, p1(1993)

                     K.N. Trohidou and J.A. Blackman: Aggregation and segregation in a mixture of magnetic and non-magnetic particles. Phys Rev. B51, p11521(1995)

                     X. Zianni, K.N. Trohidou and J.A. Blackman: The effect of surface anisotropy on the coercive field of small magnetic particles. J. Appl. Phys. 81, p4738 (1997).

                     D. Kechrakos, K.N. Trohidou and S. Taddei: Orbital effects in the inelastic magnetic scattering of x-rays. Phys. Rev. B56, p10812 (1997)

                     K. N. Trohidou, X. Zianni and J. A. Blackman: Surface effects on the magnetic behavior of antiferromagnetic particles. J. Appl. Phys. 84, 5, p2795(1998)

                     D. Kechrakos and K. N. Trohidou: Magnetic properties of dipolar interacting single domain particles. Phys. Rev B58, p12169(1998)

                     A. Tzavellas, K. N. Trohidou, D. Kechrakos and N. Moutis: Magnetic behavior of the La1-yCayMn1-xFexO3 perovskites. Appl. Phys. Lett. 77, p3627(2000)

                     R. Βotet, KN Trohidou , JA Blackman JA and D. Kechrakos. Scaling laws in magneto-optical properties of aggregated ferrofluids . Phys. Rev E64, 031401 (2001).

                     D. Kechrakos and KN Trohidou. Magnetic properties of self-assembled interacting nanoparticles. Appl. Phys. Lett 81, p 4574 (2002 )

                     D Kechrakos and KN Trohidou. Competition between dipolar and exchange interparticle interactions in magnetic nanoparticle films. J Magn.Magn. Mat. 262, 107(2003)

                     SI Denisov, T. Luytyy and KN Trohidou. Dipolar interaction effects on the thermally activated magnetic relaxation of two-dimensional nanoparticle ensembles. Appl. Phys. Lett 84, p4672(2004)

                     D. Kechrakos, N. Papanikolaou, K.N. Trohidou and T. Dietl. Monte Carlo simulations of ferromagnetism in p-CdxMn1-xTe quantum wells. Phys. Rev. Lett 94, 127201(2005)

                     E. Eftaxias, KN Trohidou. Numerical study of the exchange bias effects in magnetic nanoparticles with core/shell morphology. Phys. Rev. B 71, 134406(2005)

           D. Fiorani, L. Del Bianco, A. M. Testa, K.N. Trohidou. Glassy dynamics in the exchange bias properties of the Fe/FeOxide nanogranular system. Phys. Rev B73, 092403(2006)

Contact Information

Address :

Electronic mail :
Telephone :

Institute of Materials Science,
NCSR "Demokritos",
153 10 Aghia Paraskevi,
+30 1 6503395
+30 1 6519430


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Last updated : 22 Nov 2006