Trohidou Kalliopi

Research Director Institute of Materials Science - NCSR Demokritos.

Biographical Information Research Interests Publications Contact Information

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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 La_1-yCa_yMn_1-xFe_xO₃ 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-Cd_xMn_1-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 : FAX :

Institute of Materials Science, NCSR "Demokritos", 153 10 Aghia Paraskevi, Attiki,GREECE trohidou@ims.demokritos.gr +30 1 6503395 +30 1 6519430

Last updated : 22 Nov 2006