Raman scattering in the (Y1-xGdx)Ba2Cu3Oy system and the relation between structure, vibrational spectra and critical temperature in (123) superconductors

Goncharuk, I.N.; Limonov, M.F.; Markov, Yu.F.; Novikov, A.A.; Syrnikov, P.P.; Turaev, A.Sh.

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Raman scattering in the (Y_1-xGd_x)Ba₂Cu₃O_y system and the relation between structure, vibrational spectra and critical temperature in (123) superconductors

Goncharuk, I.N.; Limonov, M.F.; Markov, Yu.F.; Novikov, A.A.; Syrnikov, P.P.; Turaev, A.Sh.1991

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AbstractAbstract

[en] T_c linear increase at growth of frequency of Ag-oscillation characterizing spectrum length is determined for the whole class of isomorphous superconductors (123). This dependence covers RBa₂Cu₃O₇ compounds (R-rare-earth element), (Y_1-xGd_x)Ba₂Cu₃O₇ system studied here and YBa₂Cu₃O₇ one under hydrostatic pressure conditions. Results prove essential role of phonons in mechanism of high-temperature superconductivity

Original Title

Kombinatsionnoe rasseyanie sveta v sisteme (Y_1-xGd_x)Ba₂Cu₃O_y i vzaimosvyaz' struktury, kolebatel'nykh spektrov i kriticheskoj temperatury v sverkhprovodnikakh (123)

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (G6410)

Secondary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (G6100)

Record Type

Journal Article

Journal

Fizika Tverdogo Tela; ISSN 0367-3294;

; CODEN FTVTAC; v. 33(4); p. 1282-1285

Country of publication

Russian Federation

Descriptors (DEI)

BARIUM COMPOUNDS, CONCENTRATION RATIO, CRYSTALS, CUPRATES, GADOLINIUM COMPOUNDS, HIGH PRESSURE, HIGH-TC SUPERCONDUCTORS, LATTICE PARAMETERS, PHONONS, RAMAN SPECTRA, SUPERCONDUCTIVITY, TRANSITION TEMPERATURE, YTTRIUM COMPOUNDS

Descriptors (DEC)

ALKALINE EARTH METAL COMPOUNDS, COPPER COMPOUNDS, ELECTRIC CONDUCTIVITY, ELECTRICAL PROPERTIES, OXYGEN COMPOUNDS, PHYSICAL PROPERTIES, QUASI PARTICLES, RARE EARTH COMPOUNDS, SPECTRA, SUPERCONDUCTORS, THERMODYNAMIC PROPERTIES, TRANSITION ELEMENT COMPOUNDS

LanguageLanguage

Russian

Reference NumberReference Number

24060616

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