Investigation of Gd 3N@C 2n (40≤n≤44) family by Raman and inelastic electron tunneling spectroscopy

Brian G. Burke; Jack Chan; Keith A. Williams; Jiechao Ge; Chunying Shu; Wujun Fu; Harry C. Dorn; James G. Kushmerick; Alexander A. Puretzky; David B. Geohegan

doi:10.1103/PhysRevB.81.115423

Investigation of Gd ₃N@C _2n (40≤n≤44) family by Raman and inelastic electron tunneling spectroscopy

Brian G. Burke, Jack Chan, Keith A. Williams, Jiechao Ge, Chunying Shu, Wujun Fu, Harry C. Dorn, James G. Kushmerick, Alexander A. Puretzky, David B. Geohegan

Functional Hybrid Nanomaterials

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Abstract

The structure and vibrational spectrum of Gd ₃N@C ₈₀ is studied through Raman and inelastic electron tunneling spectroscopy as well as density-functional theory and universal force field calculations. Hindered rotations, shown by both theory and experiment, indicate the formation of a Gd ₃N-C ₈₀ bond which reduces the ideal icosahedral symmetry of the C ₈₀ cage. The vibrational modes involving the movement of the encapsulated species are a fingerprint of the interaction between the fullerene cage and the core complex. We present Raman data for the Gd ₃N@C _2n (40≤n≤44) family as well as Y ₃N@C ₈₀, Lu ₃N@C ₈₀, and Y ₃N@C ₈₀ for comparison. Conductance measurements have been performed on Gd ₃N@C ₈₀ and reveal a Kondo effect similar to that observed in C60.

Original language	English
Article number	115423
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	81
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevB.81.115423
State	Published - Mar 15 2010

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Burke, B. G., Chan, J., Williams, K. A., Ge, J., Shu, C., Fu, W., Dorn, H. C., Kushmerick, J. G., Puretzky, A. A., & Geohegan, D. B. (2010). Investigation of Gd ₃N@C _2n (40≤n≤44) family by Raman and inelastic electron tunneling spectroscopy. Physical Review B - Condensed Matter and Materials Physics, 81(11), Article 115423. https://doi.org/10.1103/PhysRevB.81.115423

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title = "Investigation of Gd 3N@C 2n (40≤n≤44) family by Raman and inelastic electron tunneling spectroscopy",

abstract = "The structure and vibrational spectrum of Gd 3N@C 80 is studied through Raman and inelastic electron tunneling spectroscopy as well as density-functional theory and universal force field calculations. Hindered rotations, shown by both theory and experiment, indicate the formation of a Gd 3N-C 80 bond which reduces the ideal icosahedral symmetry of the C 80 cage. The vibrational modes involving the movement of the encapsulated species are a fingerprint of the interaction between the fullerene cage and the core complex. We present Raman data for the Gd 3N@C 2n (40≤n≤44) family as well as Y 3N@C 80, Lu 3N@C 80, and Y 3N@C 80 for comparison. Conductance measurements have been performed on Gd 3N@C 80 and reveal a Kondo effect similar to that observed in C60.",

author = "Burke, {Brian G.} and Jack Chan and Williams, {Keith A.} and Jiechao Ge and Chunying Shu and Wujun Fu and Dorn, {Harry C.} and Kushmerick, {James G.} and Puretzky, {Alexander A.} and Geohegan, {David B.}",

year = "2010",

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doi = "10.1103/PhysRevB.81.115423",

language = "English",

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T1 - Investigation of Gd 3N@C 2n (40≤n≤44) family by Raman and inelastic electron tunneling spectroscopy

AU - Burke, Brian G.

AU - Chan, Jack

AU - Williams, Keith A.

AU - Ge, Jiechao

AU - Shu, Chunying

AU - Fu, Wujun

AU - Dorn, Harry C.

AU - Kushmerick, James G.

AU - Puretzky, Alexander A.

AU - Geohegan, David B.

PY - 2010/3/15

Y1 - 2010/3/15

N2 - The structure and vibrational spectrum of Gd 3N@C 80 is studied through Raman and inelastic electron tunneling spectroscopy as well as density-functional theory and universal force field calculations. Hindered rotations, shown by both theory and experiment, indicate the formation of a Gd 3N-C 80 bond which reduces the ideal icosahedral symmetry of the C 80 cage. The vibrational modes involving the movement of the encapsulated species are a fingerprint of the interaction between the fullerene cage and the core complex. We present Raman data for the Gd 3N@C 2n (40≤n≤44) family as well as Y 3N@C 80, Lu 3N@C 80, and Y 3N@C 80 for comparison. Conductance measurements have been performed on Gd 3N@C 80 and reveal a Kondo effect similar to that observed in C60.

AB - The structure and vibrational spectrum of Gd 3N@C 80 is studied through Raman and inelastic electron tunneling spectroscopy as well as density-functional theory and universal force field calculations. Hindered rotations, shown by both theory and experiment, indicate the formation of a Gd 3N-C 80 bond which reduces the ideal icosahedral symmetry of the C 80 cage. The vibrational modes involving the movement of the encapsulated species are a fingerprint of the interaction between the fullerene cage and the core complex. We present Raman data for the Gd 3N@C 2n (40≤n≤44) family as well as Y 3N@C 80, Lu 3N@C 80, and Y 3N@C 80 for comparison. Conductance measurements have been performed on Gd 3N@C 80 and reveal a Kondo effect similar to that observed in C60.

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U2 - 10.1103/PhysRevB.81.115423

DO - 10.1103/PhysRevB.81.115423

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AN - SCOPUS:77955076172

SN - 1098-0121

VL - 81

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 11

M1 - 115423

ER -

Investigation of Gd ₃N@C _2n (40≤n≤44) family by Raman and inelastic electron tunneling spectroscopy

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