I. Panagiotopoulos
University of Ioannina
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Publication
Featured researches published by I. Panagiotopoulos.
Physical Review B | 1999
N. Moutis; I. Panagiotopoulos; M. Pissas; D. Niarchos
The magnetic critical behavior in the series
Journal of Applied Physics | 2000
J. A. Christodoulides; Y. Huang; Y. Zhang; G. C. Hadjipanayis; I. Panagiotopoulos; D. Niarchos
{\mathrm{La}}_{0.67}({\mathrm{Ba}}_{x}{\mathrm{Ca}}_{1\ensuremath{-}x}{)}_{0.33}{\mathrm{MnO}}_{3}
Applied Physics Letters | 1998
S. Stavroyiannis; I. Panagiotopoulos; D. Niarchos; J. A. Christodoulides; Y. Zhang; G. C. Hadjipanayis
Journal of Magnetism and Magnetic Materials | 1996
I. Panagiotopoulos; L. Withanawasam; G. C. Hadjipanayis
(0l~xl~1)
Applied Physics Letters | 2001
V. Karanasos; I. Panagiotopoulos; D. Niarchos; H. Okumura; G. C. Hadjipanayis
of manganese perovskites is studied by means of dc magnetic measurements. In this series the
Journal of Applied Physics | 2006
Aphrodite Tomou; Dimitrios Gournis; I. Panagiotopoulos; Y. Huang; G. C. Hadjipanayis; B.J. Kooi
{\mathrm{Mn}}^{4+}{/\mathrm{M}\mathrm{n}}^{3+}
Journal of Applied Physics | 1999
S. Stavroyiannis; I. Panagiotopoulos; D. Niarchos; J. A. Christodoulides; Y. Zhang; G. C. Hadjipanayis
ratio is kept constant while Ca ions are substituted by the larger Ba ions resulting in structural changes accompanied by an increase of the transition temperature from 265 to 340 K. Samples with
Applied Physics Letters | 2006
M. Ziese; A. Bollero; I. Panagiotopoulos; N. Moutis
xl~0.4
ieee international magnetics conference | 2002
Sofoklis S. Makridis; G. Litsardakis; I. Panagiotopoulos; Dimitrios Niarchos; Y. Zhang; G. C. Hadjipanayis
crystallize in the orthorhombic
Journal of Applied Physics | 2000
I. Panagiotopoulos; S. Stavroyiannis; D. Niarchos; J. A. Christodoulides; G. C. Hadjipanayis
\mathrm{Pnma}