B. Ruzicka
ETH Zurich
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Publication
Featured researches published by B. Ruzicka.
ELECTRONIC PROPERTIES OF NOVEL MATERIALS--SCIENCE AND TECHNOLOGY OF MOLECULAR NANOSTRUCTURES | 1999
Natasa Čegar; F. Simon; G. Baumgartner; Andrzej Sienkiewicz; László Forró; B. Ruzicka; L. Degiorgi; L. Mihaly
Electron Spin Resonance(ESR) at ambient and under high pressure and optical reflectivity measurements were used to study the consecutive phase transitions in Na2AC60 family of fulleride compounds. The high temperature fcc phase in all three A=K,Rb,Cs compounds are found to show semi-metallic behavior. For the first time a peculiar sequence of phase transitions from semi-metallic to metallic to superconducting phases are observed in Na2CsC60. The metallic properties of the polymeric phases in A=K,Rb were established.
AIP Conference Proceedings | 2008
Natasa Čegar; F. Simon; G. Baumgartner; Andrzej Sienkiewicz; László Forró; B. Ruzicka; L. Degiorgi; L. Mihaly
Electron Spin Resonance(ESR) at ambient and under high pressure and optical reflectivity measurements were used to study the consecutive phase transitions in Na2AC60 family of fulleride compounds. The high temperature fcc phase in all three A=K,Rb,Cs compounds are found to show semi-metallic behavior. For the first time a peculiar sequence of phase transitions from semi-metallic to metallic to superconducting phases are observed in Na2CsC60. The metallic properties of the polymeric phases in A=K,Rb were established.
The 13th international winterschool on electronic properties of novel materials- science and technology of molecular nanostructures | 1999
Natasa Čegar; F. Simon; G. Baumgartner; Andrzej Sienkiewicz; László Forró; B. Ruzicka; Leonardo Degiorgi; L. Mihaly
Electron Spin Resonance(ESR) at ambient and under high pressure and optical reflectivity measurements were used to study the consecutive phase transitions in Na2AC60 family of fulleride compounds. The high temperature fcc phase in all three A=K,Rb,Cs compounds are found to show semi-metallic behavior. For the first time a peculiar sequence of phase transitions from semi-metallic to metallic to superconducting phases are observed in Na2CsC60. The metallic properties of the polymeric phases in A=K,Rb were established.
Physica C-superconductivity and Its Applications | 1999
B. Ruzicka; L. Degiorgi; G.I. Meijer; J. Karpinski; U. Ammerahl; G. Dhalenne; A. Revcolevschi
Abstract The optical reflectivity as a function of temperature of the title compounds has been measured over a broad spectral range from 4 meV up to 12 eV. On the one hand, our findings suggest a very anisotropic dynamics of the charge excitation spectrum when measuring along or perpendicular to the ladders in Sr 14− x Ca x Cu 24 O 41 . On the other hand, the investigation of Sr 0.73 CuO 2 allows us to study the electrodynamics of hole doped CuO 2 chains alone without complications arising from the presence of Cu 2 O 3 ladders in Sr 14− x Ca x Cu 24 O 41 .
Physical Review Letters | 2001
B. Ruzicka; L. Degiorgi; H. Berger; R. Gaál; L. Forró
arXiv: Strongly Correlated Electrons | 2008
F. Simon; Slaven Garaj; B. Ruzicka; L. Degiorgi; V. Brouet
European Physical Journal B | 2003
S. V. Dordevic; D. N. Basov; Robert C. Dynes; B. Ruzicka; Verena Vescoli; L. Degiorgi; Helmuth Berger; R. Gaal; László Forró; Edith Bucher
Archive | 2001
B. Ruzicka; Leonardo Degiorgi; H. Berger; R. Gaal; Laszlo Forro
Archive | 2000
Natasa Čegar; F. Simon; Slaven Garaj; László Forró; B. Ruzicka; Leonardo Degiorgi; L. Mihaly
European Physical Journal B | 2000
B. Ruzicka; A. Brglez; Barry Malic; L. Degiorgi; Dragan Mihailovic
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