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1.


   
    Specific features of the electronic structure and optical spectra of nanoparticles with strong electron correlations / S. G. Ovchinnikov [et al.] // Phys. Solid State. - 2007. - Vol. 49, Is. 6. - P. 1116-1120, DOI 10.1134/S1063783407060169. - Cited References: 18. - This study was supported by the Russian Academy of Sciences within the program "Strong Electron Correlations", the Integration Project of the Siberian Division–Ural Division of the Russian Academy of Sciences (project no. 74), the Federal Agency for Science and Innovation (contract no. 02.434.11.7048), the Russian Foundation for Basic Research (project no. 06-03-32943), and the Branch of General Physics and Astronomy of the Russian Academy of Sciences and the Presidium of the Ural Division of the Russian Academy of Sciences within the program "New Materials and Structures" . - ISSN 1063-7834
РУБ Physics, Condensed Matter
Рубрики:
CUO
   ABSORPTION

   STATES

Аннотация: Analysis of the experimental optical spectra of CuO nanoparticles with the electronic structure characterized by strong electron correlations has revealed the appearance of unusual states inside the band gap. The intragap states an the specific features of the electronic structure of CuO nanoparticles are discussed in the framework of the generalized tight-binding method previously developed for describing the electronic structure of superconducting cuprates.

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Публикация на русском языке Особенности электронной структуры и оптических спектров наночастиц с сильными электронными корреляциями [Текст] / С. Г. Овчинников [и др.] // Физ. тверд. тела. - 2007. - Т. 49 Вып. 6. - С. 1061-1065

Держатели документа:
LV Kirenskii Inst Phys, Russian Acad Sci, Siberian Div, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Met Phys, Ural Div, Ekaterinburg 620041, Russia
Russian Fed Nucl Ctr, Zababakhin All Russia Res Inst Tech Phys, Chelyabinsk 456770, Russia
Russian Acad Sci, Inst Electrophys, Ural Div, Ekaterinburg 620016, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Yekaterinburg 620041, Russian Federation
Russian Federal Nuclear Center, Zababakhin All-Russia Research Institute of Technical Physics, Snezhinsk, Chelyabinsk Oblast 456770, Russian Federation
Institute of Electrophysics, Ural Division, Russian Academy of Sciences, ul. Amundsena 106, Yekaterinburg 620016, Russian Federation

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Gizhevskii, B. A.; Sukhorukov, Y. P.; Ermakov, A. E.; Uimin, M. A.; Kozlov, E. A.; Kotov, Y. A.; Bagazeev, A. V.
}
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2.


   
    High-temperature superconductor based composites: Large magnetoresistance in weak magnetic fields / D. A. Balaev [et al.] // Tech. Phys. Lett. - 2001. - Vol. 27, Is. 11. - P. 952-955, DOI 10.1134/1.1424404. - Cited References: 16 . - ISSN 1063-7850
РУБ Physics, Applied
Рубрики:
CRITICAL CURRENTS
   APPLICABILITY

   TRANSITION

   TRANSPORT

   SYSTEM

   CUO

Аннотация: It was found that high-temperature superconductor (HTSC) based composites of the 1-2-3 (YBCO) + dielectric and YBCO + normal metal types exhibit large magnetoresistances in weak magnetic fields in a broad temperature range. This behavior is qualitatively explained using the concept of the irreversibility line in HTSCs and the mechanism of thermal fluctuations in the network of weak bonds of the Josephson type realized in HTSC composites. The HTSC-based composites exhibit a much higher sensitivity (as compared to that in the usual HTSC ceramics) to weak magnetic fields (below 300 Oe) at liquid-nitrogen temperatures, which is important for practical applications. (C) 2001 MAIK "Nauka /Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk, Russia
Siberian Aerosp Acad, Krasnoyarsk, Russia
Krasnoyarsk State Univ, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Aerospace Academy, Krasnoyarsk, Russian Federation
Krasnoyarsk State University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Gohfeld, D. M.; Popkov, S. I.; Попков, Сергей Иванович; Saihutdinov, K. A.; Petrov, M. I.; Петров, Михаил Иванович
}
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3.


   
    Influence of magnetic scattering centers in the insulator component of the composite HTSC+Cu1-xNixO on its resistive properties / M. I. Petrov [et al.] // Phys. Solid State. - 1998. - Vol. 40, Is. 9. - P. 1451-1455, DOI 10.1134/1.1130601. - Cited References: 31 . - ISSN 1063-7834
РУБ Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
   PLUS SEMICONDUCTOR

   CUO

Аннотация: We present results of an experimental study of the effect of magnetic scattering centers (nickel) in the insulator component (cuprous oxide) of the composite HTSC+Cu1-xNixO on its transport properties. A suppression of the superconducting properties of this system is observed to take place with increasing nickel content. The results are analyzed within the framework of the model of strong electron correlations. (C) 1998 American Institute of Physics. [S1063-7834(98)00609-1].

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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