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Δημοσιεύσεις σε διεθνή περιοδικά με κριτή

  • M Yu Lavrentiev, K Mergia, M Gjoka, D Nguyen-Manh, G Apostolopoulos and S L Dudarev (2012) Magnetic cluster expansion simulation and experimental study of high temperature magnetic properties of Fe–Cr alloys, J. Phys.: Condens. Matter 24, 326001-.
  • M.Yu. Lavrentiev, K. Mergia, M. Gjoka, D. Nguyen-Manh, G. Apostolopoulos, and S.L. Dudarev (2012) Magnetic Cluster Expansion and Experimental Study of the High Temperature Magnetic Properties of Fe-Cr Alloys, J. Phys.: Condens. Matter 24, 326001-.
  • M.Yu. Lavrentiev, K. Mergia, M. Gjoka, D. Nguyen-Manh, G. Apostolopoulos, and S.L. Dudarev, (2012) Magnetic Cluster Expansion and Experimental Study of the High Temperature Magnetic Properties of Fe-Cr Alloys, J. Phys.: Condens. Matter 24, 326001-.
  • Kotoulas, A., Gjoka, M., Simeonidis, K., Tsiaoussis, I., Angelakeris, M., Kalogirou, O., Dendrinou-Samara, C.Kotoulas, A., Gjoka, M., Simeonidis, K., Tsiaoussis, I., Angelakeris, M., Kalogirou, O., Dendrinou-Samara, C. (2011) The role of synthetic parameters in the magnetic behavior of relative large hcp Ni anoparticles, Journal of Nanoparticle Research 13 (5), 1897-1908.
  • Harris, V. G., Chen, Y., Yang, A., Yoon, S., Chen, Z., Geiler, A., Chinnasamy, C. N., Lewis, L. H., Vittoria, C., Carpenter, E. E., Carroll, K. J., Goswami, R., Willard, M. A., Kurihara, L., Gjoka, M., Kalogirou, O. (2010) High coercivity cobalt carbide nanoparticles processed via polyol reaction: A new permanent magnet material, J. Phys. D: Appl. Phys 43, 165003-.
  • Logakis, E., Pollatos, E., Pandis, Ch., Peoglos, V., Zuburtikudis, I., Delides, C.G., Vatalis, A., Gjoka, M., Pissis, P. (2010) High coercivity cobalt carbide nanoparticles processed via polyol reaction: A new permanent magnet material , Composites Science and Technology 70 (2), pp. 328-335 70 (2), 328-335.
  • Pollatos E., Logakis E., Chatzigeorgiou P., Peoglos V., Zoubourtikoudis I., Gjoka M., Viras K., Pissis P. (2010) Morphological, thermal and electrical characterization of syndiotactic polypropylene/multi-walled carbon nanotube composite, Journal of Macromolecular Science, Part B Physics 49, 1044-1056.
  • Gjoka, M., Lupu, N., Grigoras, M., Niarchos, D., Chiriac H.,and Kalogirou, O. (2009) Effect of annealing on the coercivity of Sm(Co0.74Fe0.1Cu0.12Zr0.04)8.5 melt-spun nanostructured alloys, Journal Of Optoelectronics And Advanced Materials - Symposia, Vol. 1, No. 2, 2009, p. 142 - 146 1, Nr 2, 142-146-.
  • Gjoka, M., Lupu, N., Grigoras, M., Niarchos, D., Chiriac, H., and Kalogirou, O. (2009) Structure and Magnetic Properties of Pr(Fe,Co,Ti,Cu,Zr)9.66 Melt-spun Nanostructured Alloys, Journal Of Optoelectronics And Advanced Materials - Symposia, 1, No 2, 194-197.
  • Sarafidis, C., Sheloudko, N., Kotoulas, A., Serletis, C., Efthimiadis, K.G., Gjoka, M., and Kalogirou, O. (2009) Structural and magnetic properties of Gd-Fe-Nb-Zr intermetallic compounds , Journal Of Optoelectronics And Advanced Materials 11, 1576-1580.
  • Sarafidis, C., Wilhelm, F., Rogalev, A., Gjoka M., Kalogirou, O. (2009) Using magnetic circular dichroism for the study of the magnetization and the magnetic moments of atoms in Nd3Fe27.5Ti1.5 , J. Phys.: Condens. Matter 21 (2009) 236001 (7pp) 21, 236001-.
  • Sheloudko, N., Sarafidis, C., Gjoka, M., Efthimiadis, K.G., and Kalogirou, O. (2009) Magnetic anisotropy of Ho-Fe-Co-Cr intermetallic compounds , Journal of Alloys and Compounds 482, 19-22.
  • Stamopoulos, D., Manios, E., Gourni, E., Gogola, V., Gjoka, E., Benaki, D., Pissas, M., Bouziotis, P. (2009) Surveying the Response of Transport Channels of Intact RBC Membranes upon AgNO3 Administration: an Atomic Force Microscopy Study, CELLULAR PHYSIOLOGY AND BIOCHEMISTRY 24, 33-44.
  • Gjoka, M., Niarchos, D., Giannakopoulos, K., Sarafidis, C., Kalogirou, O., Grigoras, M., Lupu, N., Chiriac, H. (2008) Structure and magnetic properties of Sm(Co0.74Fe0.1Cu0.12Zr0.04) 8 melt-spun nanostructured alloys, Materials Science and Engineering B: Solid-State Materials for Advanced Technology 152, 81-85.
  • Sheloudko, N., Safaridis, C., Gjoka, M., Mikhov, M., Kalogirou, O. (2008) Magnetocrystalline anisotropy of Nd3(Fe1-xCox)27.7Ti1.3Ny compounds, Journal of Alloys and Compounds 458, 37-40.
  • Efthimiadis, K.G., Sarafidis, C., Gjoka, M., Kalogirou, O. (2007) Existence and properties of Co-rich 3:29-type of compounds synthesized with heavy rare earths, Journal of Magnetism and Magnetic Materials 316, e458-e461.
  • Sarafidis, C., Gjoka, M., Efthimiadis, K.G., Kalogirou, O. (2007) Study on the existence and properties of Y3(Fe1-xCox)29-yCry (x = 0.6-1.0; y = 5-7) intermetallic compounds, Journal of Alloys and Compounds 437, 16-21.
  • Bourlinos, A.B., Giannelis, E.P., Sanakis, Y., Bakandritsos, A., Karakassides, M., Gjoka, M., Petridis, D. (2006) A graphite oxide-like carbogenic material derived from a molecular precursor, Carbon 44, 1906-1912.
  • Gjoka, M., Sarafidis, C., Kalogirou, O., Devlin, E., Niarchos, D. (2006) Structural and magnetic properties of Sm3(Fe 1-xCox)27.7Ti1.3, IEEE Transactions on Magnetics 42, 3767-3769.
  • Gjoka, M., Sarafidis, C., Kalogirou, O., Niarchos, D. (2006) Structural and magnetic properties of Sm3(Fe 1-xCox)27.7Ti1.3, INTERMAG 2006 - IEEE International Magnetics Conference , 235-.
  • Gjoka, M., Sarafidis, C., Niarchos, D., Kalogirou, O. (2006) Structure and magnetic properties of Gd4(Co,Ti)41 alloys, Journal of Alloys and Compounds 423, 59-61.
  • Kalogirou, O., Sarafidis, C., Efthimiadis, K.G., Gjoka, M. (2006) Influences of Co on structural and magnetic properties of R3(Fe1-xCox)29-yM y (R = rare earth metal, M = transition metal) intermetallic compounds, Journal of Alloys and Compounds 423, 4-9.
  • Tzitzios, V., Basina, G., Gjoka, M., Alexandrakis, V., Georgakilas, V., Niarchos, D., Boukos, N., Petridis, D. (2006) Chemical synthesis and characterization of hcp Ni nanoparticles, Nanotechnology 17, 3750-3755.
  • Tzitzios, V., Basina, G., Gjoka, M., Boukos, N., Niarchos, D., Devlin, E., Petridis, D. (2006) The effect of Mn doping in FePt nanoparticles on the magnetic properties of the L10 phase, Nanotechnology 17, 4270-4273.
  • Gjoka, M., Panagiotopoulos, I., Niarchos, D. (2005) Structure and magnetic properties of Sm(Co1-xMx) 5 (M = Cu, Ag) alloys, Journal of Materials Processing Technology 161, 173-175.
  • Sarafidis, C., Gjoka, M., Kalogirou, O. (2005) Structural and magnetic properties of Y3(Fe 1 - XCox)27.5V1.5 (0?x?0.4), Journal of Alloys and Compounds 399, 41-46.
  • Tzitzios, V., Niarchos, D., Gjoka, M., Boukos, N., Petridis, D. (2005) Synthesis and characterization of 3D CoPt nanostructures , Journal of the American Chemical Society 12, 13756-13757.
  • Gjoka, M., Dilo, T., Niarchos, D., Leccabue, F. (2004) Structure and magnetic properties of Er3(Fe, V)29 alloys, Journal of Alloys and Compounds 369, 178-181.
  • Gjoka, M., Panagiotopoulos, I., Niarchos, D., Matthias, T., Fidler, J. (2004) Temperature-compensated Sm1-xGdx(Co 0.74Fe0.10Cu0.12Zr0.04) 7.50 permanent magnets (x = 0, 0.2, 0.4, 0.6, 0.8), Journal of Alloys and Compounds 367, 262-265.
  • Hadjiapostolidou, D., Gjoka, M., Sarafidis, C., Pavlidou, E., Bakas, T., Kalogirou, O. (2004) Structural and magnetic properties of rare earth - Iron-cobalt-vanadium intermetallic compounds (R: Tb, Dy), Journal of Alloys and Compounds 367, 255-261.
  • Panagiotopoulos, I., Gjoka, M., Niarchos, D. (2004) Angular dependence of coercivity in Sm(Co, Fe, Cu, Zr)z magnets, Journal of Magnetism and Magnetic Materials 279, 389-395.
  • Sarafidis, C., Gjoka, M., Bakas, T., Chrissafis, K., Kalogirou, O. (2004) Magnetic properties and structural characteristics of interstitially modified Nd3(Fe1-xCox)27.7Ti 1.3Ny nitrides (x=0.1, 0.2, 0.3, 0.4), Journal of Magnetism and Magnetic Materials 278, 46-56.
  • Sarafidis, C., Kalogirou, O., Bakas, T., Gjoka, M. (2004) 57Fe Mo?ssbauer spectroscopic studies of the magnetic anisotropy and spin reorientations in Nd3(Fe1-xCo x)27.7Ti1.3 (0?x?0.4), Journal of Magnetism and Magnetic Materials 272-276, e1913-e1915.
  • Sheloudko, N., Gjoka, M., Kalogirou, O., Niarchos, D., Skumryev, V., Hadjipanayis, G., Suriñach, S., Muñoz, J.S. (2003) Synthesis and magnetic properties of (R, R?)3(Fe, Ti)29 (R = Pr, Nd and R? = Sm, Er) intermetallic compounds, Journal of Alloys and Compounds 352, 73-78.
  • Kalogirou, O., Sarafidis, C., Gjoka, M., Litsardakis, G. (2002) Effects of Co substitution on structural and magnetic properties of R3(Fe1-xCox)29-y Vy (R = Tb, Dy), Journal of Magnetism and Magnetic Materials 247, 34-41.
  • Gjoka, M., Kalogirou, O., Niarchos, D., Christodoulou, Ch.N. (2001) Magnetic characterisation and hydrogen absorption characteristics of Pr3(Fe,Ti)29Hx, Journal of Magnetism and Magnetic Materials 234, 47-54.
  • Psycharis, V., Gjoka, M., Christides, C., Niarchos, D. (2001) Phase stability, structure and magnetic properties of R3(Fe,TM)29, (R = Gd, Dy, Er, Y and TM = V, Ti) compounds with disordered structures, Journal of Alloys and Compounds 317-318, 455-458.
  • Gjoka, M., Psycharis, V., Kalogirou, O., Sheloudko, N., Niarchos, D., Mikhov, M., Dode, J., Dilo, T., Vyshka, Sh. (2000) Phase diagram and magnetic properties of Nd3-xDyx(Fe,Ti)29 (0.1, Journal of Alloys and Compounds 305, 311-317.
  • Psycharis, V., Gjoka, M., Kalogirou, O., Niarchos, D., Papaefthymiou, V., Christodoulou, C. (2000) Magnetic properties of interstitial modified Pr3(Fe,Ti)29 hydrocarbide, Journal of Alloys and Compounds 307, 234-239.
  • Sheloudko, N., Gjoka, M., Kalogirou, O., Psycharis, V., Niarchos, D., Mikhov, M. (2000) Magnetocrystalline anisotropy of a novel Y(Fe,V)9.66 intermetallic compound and its nitride with a disordered CaCu5-type structure, Journal of Magnetism and Magnetic Materials 208, 20-26.
  • Gjoka, M., Kalogirou, O., Psycharis, V., Niarchos, D., Leccabue, F., Watts, B.E., Bocelli, G. (1999) Synthesis of melt-spun rare-earth transition-metal intermetallics with Nd3(Fe,Ti)29-type structure, Journal of Alloys and Compounds 290, 1-5.
  • Psycharis, V., Gjoka, M., Kalogirou, O., Sheludko, N., Mikhov, N., Moraitakis, E., Niarchos, D. (1999) Structural and magnetic properties of a novel DyFe9.16V0.50 intermetallic compound with a disordered CaCu5-type structure, Journal of Applied Physics 86, 5444-5449.
  • Psycharis, V., Gjoka, M., Kalogirou, O., Devlin, E., Niarchos, D. (1998) Structural and magnetic properties of a novel compound with Y3(Fe,V)29 stoichiometry and disordered CaCu5-type structure, Journal of Alloys and Compounds 270, 21-27.
  • Psycharis, V., Kalogirou, O., Niarchos, D., Gjoka, M. (1998) A systematic structural study, interpretation and prediction of physical properties for the hard magnetic intermetallic compound RE3T29, based on structure-superstructure relations with the structures of RE1T12, RE2T17 compounds (Re: Rare earth, T: Iron, Materials Science Forum 278-281, 526-531.

  • Δημοσιεύσεις σε πρακτικά η τόμους

  • M. Gjoka, D. Niarchos, E. Devlin, G. Hadjipanayis (2012) Investigation on Fe2YZ (Y=Ni, Cu; Z=Sn, Ga): The Heusler Compounds With Tetragonal Structure, The 22nd International Workshop on Rare-Earth Permanent Magnets and their Applications REPM’12 Proceedings (ed. Hirotoshi Fukunaga, Satoshi Sugimoto) REPM’12 Organizing Committee -. [link]
  • Gjoka M., Gjoka E., Kouvelos V., Niarchos D. (2010) Effect of liquid polymer on magnetic properties of Nd-Fe-B plastic magnets, Rare Earth Permanent Magnets and their Applications (ed. Spomenka Kobe and Paul McGuiness) Jozef Stefan Institute 217-220.
  • C. Sarafidis, N. Sheloudko, A. Kotoulas, C. Serletis, K.G. Efthimiadis, M. Gjoka and O. Kalogirou (2008) Structural and magnetic properties of Gd-Fe-Nb-Zr intermetallic compounds , 00 (ed. Dimitris Niarchos) Book Design, Lay-Out&Production:ADMORE 311-313. [link]
  • Ch. Safaridis, M. Gjoka, F. Wilhelm, A. Rogalev and O. Kalogirou (2008) Magnetic circular dichroism for the study of the magnetization and the atomic magnetic moments in Nd3Fe27.5Ti1.5 , 00 (ed. Dimitris Niarchos) Book Design, Lay-Out&Production:ADMORE 314-316. [link]
  • M. Gjoka and D.Niarchos, C. Serletis and K.G. Efthimiadis, N. Lupu, M. Grigoras and H. Chiriac in the Proceedings of REM-2008, Krete 2008 (2008) Influence off Transition Metals on the Structure And Magnetic Properties Of Nd(Fe,Co,Tie,Cu,Zr)9.66 Melt-Spun Nanostructured Alloys , 00 (ed. Dimitris Niarchos) Book Design, Lay-Out&Production:ADMORE 261-265. [link]
  • N. Sheloudko, C. Safaridis, M. Gjoka, M. Mikhov and O. Kalogirou (2007) Magnetocrystalline Anisotropy of Nd3(Fe1-xCox)27.7Ti1.3Ny Compounds N. Sheloudko, C. Safaridis, M. Gjoka, M. Mikhov and O. Kalogirou AIP Conference Proceedings, Volume 899, 2007, Page 650 , 899 (ed. AIP) 899-.
  • M. Gjoka, O. Kalogirou, E. Devlin, C. Sarafidis and D. Niarchos (2004) Effects of co substitution on structural and magnetic properties of Sm3Fe29-x- yCoxVy , 1, (ed. N. M. Depsey and P. de Rango) 181-187-.
  • C. Sarafidis, M. Gjoka, T. Bakas, K. Chrissafis, D. Niarchos and O. Kalogirou. (2002) Magnetic properties and structural characteristics of interstitially modified Nd3(Fe1-xCox)27.5Ti1.5Ny nitrides (x=0.1, 0.2, 0.3, 0.4) , Proceedings on 17th International Workshop on Rare-Earth Magnets and their Applications, Newark, 2002 (ed. G. Hadjipanays) Rinton Press 221-227.
  • M. Gjoka, D. Niarchos, C. Sarafidis and O. Kalogirou. (2002) Thermomagnetic and X-ray diffraction analysis of R4(Fe,T)41 alloys, Proceedings of the 17th International Workshop on Rare-Earth Magnets and their Applications, Newark, 8/2002, ed. G.C.Hadjipanayis, (ed. G.C.Hadjipanayis) Rinton Press 216-220.
  • M. Gjoka, O. Kalogirou, D. Niarchos, N. Sheloudko, V. Masheva and M. Mikhov (2000) Microstructure and magnetic properties of melt-spun intermetallics of Ce3(Fe,Cr)29 composition , Proc. Suppl. of the 4th General Conference of the Balkan Physical Union, (ed. ) Balkan Physics Letters 245-248.
  • D. K. Goureli, O. Kalogirou , Asteriou, G. Makaronidis, G, Litsardakis, S. Katemliades, M. Gjoka (2000) Structure and Magnetic Properties by Co substitution in Nd3(Fe1-xCox)27.5Ti1.5 Intermetallis Compounds. , Magnetic Storage System Beyond 2000 (ed. G.C. Hadjipanayis) 405-409.
  • D.K.Gioureli, O.Kalogirou, A.C.Stergiou, G.Litsardakis, G.Makaronides, S.Katemliades and M.Gjoka (2000) Synthesis, structural and magnetic properties of a novel series of intermetallic compounds Nd3(Fe1-xCox)27.5Ti1.5 (x=0.0, 0.1, 0.2, 0.3, 0.4), Proceedings on 11th International Symposium on Magnetic Anisotropy and Coercivity in Rare-Earth Transition Metal Alloys, Sendai, Japan 9/2000 (ed. H.Kaneko, M.Homma and M.Okada ) The Japan Institut of Metals S15-S23.
  • M. Gjoka, O. Kalogirou, D. Niarchos and G.C. Hadjipanajyis (2000) Structure and Magnetic Properties of SmCo7-xMnx Alloys , Proceedings of the sixteenth International workshop on Rare-Earth magnets and their application, Sendai 2000, page 195-203 (ed. H.Kaneko, M.Homma and M.Okada ) The Japan Institute of Metals 195-203.
  • N. Sheludko, A. Gilewski, , M. Gjoka, V. Psycharis, O.Kalogirou, J.S. Munoz and V. Skumryev (1999) High field magnetization study and analysis of magnetic interactions in Dy(FeV)9.66 with disorder structure and Dy2Fe17-xGax Compounds , Proceed. of Summer School on Advanced materials for industrial applications Kavala. (ed. M. Katsikini, E. C. Paloura, Th. Karakostas, J Antonopoulos) Physics of Materials-Graduate programUniversity of Thessaloniki 53-56.
  • V. Masheva, M. Gjoka, O. Kalogirou, V. Psycharis, D. Niarchos and M. Mikhov (1998) Magnetization processes and anisotropy fields for R3(Fe,Ti)29 and R3(Fe,Ti)29Mx (R = Nd, Pr; M = C) compounds , Proceedings of the 10th International Symposium on Magnetic Anisotropy and Coercivity in Rare-Earth Transition Metal Alloys, pp. 209-216 (1998) V. Masheva, M. Gjoka, O. Kalogirou, V. Psycharis, D. Niarchos and M. Mikhov (ed. Schulc) 209-216.
  • M. Gjoka, V. Psycharis, O. Kalogirou, D. Niarchos and N. Sheludko (1998) Structural properties and magnetocrystalline anisotropy of the compound with Y3(Fe,V)29Nx stoichiometry and disordered CaCu5-type structure, Proceedings of the 15th International Workshop on Rare-Earth Magnets and their Applications Vol. I, (ed. Schulc) 137-146.
  • V. Psycharis, O. Kalogirou, D. Niarchos and M. Gjoka (1995) Ab-Initio crystal structure solution of the novel intermetallic compound Nd3(Fe,Ti)29 , Proceedings of the Third International Symposium on Physics of Magnetic Materials (ISPMM 95), pp. 752-756 (ed. ) 752-756.
  • Τομέας Επιστήμης Υλικών, Ε.Κ.Ε.Φ.Ε. "Δημόκριτος", 153 10 Αγ. Παρασκευή, Αττική, τηλ.: +30 2106503381, fax: +30 210 6519430
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