PHONON-INDUCED SUPERCONDUCTIVITY AND PHYSICAL PROPERTIES IN INTERCALATED FULLERIDES RB3C60

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VARSHNEY DINESH; JAIN RAJENDRA; SINGH NAMITA

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Journal Paper

Paper Information

Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2012 | Volume:6 | Issue:6 Page(s): 1-23

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Title

PHONON-INDUCED SUPERCONDUCTIVITY AND PHYSICAL PROPERTIES IN INTERCALATED FULLERIDES RB3C60

Author(s)

VARSHNEY DINESH | JAIN RAJENDRA | SINGH NAMITA | Issue Writer Certificate

Keywords

FULLERENES

INTER- AND INTRA-MOLECULAR PHONONS

TRANSITION TEMPERATURE

CARBON ISOTOPE EFFECT

ENERGY GAP RATIO

Abstract

The nature of electron pairing mechanism and physical properties leading to superconducting state and normal state resistivity in alkali metal (Rb) intercalated FULLERENES are explored. Keeping in mind that free electrons in lowest molecular orbital are coupled with inter-molecular phonons, the coupling with inter-molecular phonon leads to TRANSITION TEMPERATURE (Tc) of about 4.17 K. The electrons also couple with the intra-molecular phonons. Within the framework of strong coupling theory, Tc is estimated at 34 K. The CARBON ISOTOPE EFFECT exponent, the ENERGY GAP RATIO, influence of pressure and volume on Tc, and thermodynamical parameters describing the superconducting state confer that Rb3C60 as s-wave superconductor. Estimated contribution to resistivity using scattering with interand intra-molecular phonon, when subtracted from single crystal data, infers quadratic temperature dependence over most of the temperature range and is attributed to electron–electron inelastic scattering. Both low frequency intermolecular and high frequency intra-molecular phonons have significant bearing in Rb3C60 superconductor.

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APA: Copy

VARSHNEY, DINESH, JAIN, RAJENDRA, & SINGH, NAMITA. (2012). PHONON-INDUCED SUPERCONDUCTIVITY AND PHYSICAL PROPERTIES IN INTERCALATED FULLERIDES RB₃C₆₀. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 6(6), 1-23. SID. https://sid.ir/paper/318690/en

Vancouver: Copy

VARSHNEY DINESH, JAIN RAJENDRA, SINGH NAMITA. PHONON-INDUCED SUPERCONDUCTIVITY AND PHYSICAL PROPERTIES IN INTERCALATED FULLERIDES RB₃C₆₀. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2012;6(6):1-23. Available from: https://sid.ir/paper/318690/en

IEEE: Copy

DINESH VARSHNEY, RAJENDRA JAIN, and NAMITA SINGH, “PHONON-INDUCED SUPERCONDUCTIVITY AND PHYSICAL PROPERTIES IN INTERCALATED FULLERIDES RB₃C₆₀,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 6, no. 6, pp. 1–23, 2012, [Online]. Available: https://sid.ir/paper/318690/en

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