Tuning the electronic structure from charge-transfer insulator to Mott-Hubbard and Peierls insulators in one-dimensional halogen-bridged mixed-metal compounds

H. Matsuzaki; K. Iwano; T. Aizawa; M. Ono; H. Kishida; M. Yamashita; H. Okamoto

doi:10.1103/PhysRevB.70.035204

Tuning the electronic structure from charge-transfer insulator to Mott-Hubbard and Peierls insulators in one-dimensional halogen-bridged mixed-metal compounds

H. Matsuzaki, K. Iwano, T. Aizawa, M. Ono, H. Kishida, M. Yamashita, H. Okamoto

ENG - Applied Physics

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

The electronic structures of one-dimensional (1D) halogen-bridged mixed-metal compounds, [Ni_1-xPd_x(chxn)₂X]X ₂ (chxn= cyclohexanediamine; X=Cl,Br; 0≤x≤1), are investigated through optical and magnetic measurements. The results reveal that the system changes from charge-transfer (CT) insulator to Mott-Hubbard (MH) insulator at around x ∼0.3, and from MH insulator to Peierls insulator at x ∼0.9 with increasing x. From the analysis of optical conductivity spectra using the ID two-band extended Peierls-Hubbard model, electronic parameters such as Coulomb repulsion energy, pd hybridization, CT energy, and electron-lattice interaction are determined.

Original language	English
Article number	035204
Pages (from-to)	035204-1-035204-6
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	70
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.70.035204
Publication status	Published - 2004 Jul

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Matsuzaki, H., Iwano, K., Aizawa, T., Ono, M., Kishida, H., Yamashita, M., & Okamoto, H. (2004). Tuning the electronic structure from charge-transfer insulator to Mott-Hubbard and Peierls insulators in one-dimensional halogen-bridged mixed-metal compounds. Physical Review B - Condensed Matter and Materials Physics, 70(3), 035204-1-035204-6. Article 035204. https://doi.org/10.1103/PhysRevB.70.035204

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title = "Tuning the electronic structure from charge-transfer insulator to Mott-Hubbard and Peierls insulators in one-dimensional halogen-bridged mixed-metal compounds",

abstract = "The electronic structures of one-dimensional (1D) halogen-bridged mixed-metal compounds, [Ni1-xPdx(chxn)2X]X 2 (chxn= cyclohexanediamine; X=Cl,Br; 0≤x≤1), are investigated through optical and magnetic measurements. The results reveal that the system changes from charge-transfer (CT) insulator to Mott-Hubbard (MH) insulator at around x ∼0.3, and from MH insulator to Peierls insulator at x ∼0.9 with increasing x. From the analysis of optical conductivity spectra using the ID two-band extended Peierls-Hubbard model, electronic parameters such as Coulomb repulsion energy, pd hybridization, CT energy, and electron-lattice interaction are determined.",

author = "H. Matsuzaki and K. Iwano and T. Aizawa and M. Ono and H. Kishida and M. Yamashita and H. Okamoto",

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Matsuzaki, H, Iwano, K, Aizawa, T, Ono, M, Kishida, H, Yamashita, M & Okamoto, H 2004, 'Tuning the electronic structure from charge-transfer insulator to Mott-Hubbard and Peierls insulators in one-dimensional halogen-bridged mixed-metal compounds', Physical Review B - Condensed Matter and Materials Physics, vol. 70, no. 3, 035204, pp. 035204-1-035204-6. https://doi.org/10.1103/PhysRevB.70.035204

Tuning the electronic structure from charge-transfer insulator to Mott-Hubbard and Peierls insulators in one-dimensional halogen-bridged mixed-metal compounds. / Matsuzaki, H.; Iwano, K.; Aizawa, T. et al.
In: Physical Review B - Condensed Matter and Materials Physics, Vol. 70, No. 3, 035204, 07.2004, p. 035204-1-035204-6.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Tuning the electronic structure from charge-transfer insulator to Mott-Hubbard and Peierls insulators in one-dimensional halogen-bridged mixed-metal compounds

AU - Matsuzaki, H.

AU - Iwano, K.

AU - Aizawa, T.

AU - Ono, M.

AU - Kishida, H.

AU - Yamashita, M.

AU - Okamoto, H.

PY - 2004/7

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N2 - The electronic structures of one-dimensional (1D) halogen-bridged mixed-metal compounds, [Ni1-xPdx(chxn)2X]X 2 (chxn= cyclohexanediamine; X=Cl,Br; 0≤x≤1), are investigated through optical and magnetic measurements. The results reveal that the system changes from charge-transfer (CT) insulator to Mott-Hubbard (MH) insulator at around x ∼0.3, and from MH insulator to Peierls insulator at x ∼0.9 with increasing x. From the analysis of optical conductivity spectra using the ID two-band extended Peierls-Hubbard model, electronic parameters such as Coulomb repulsion energy, pd hybridization, CT energy, and electron-lattice interaction are determined.

AB - The electronic structures of one-dimensional (1D) halogen-bridged mixed-metal compounds, [Ni1-xPdx(chxn)2X]X 2 (chxn= cyclohexanediamine; X=Cl,Br; 0≤x≤1), are investigated through optical and magnetic measurements. The results reveal that the system changes from charge-transfer (CT) insulator to Mott-Hubbard (MH) insulator at around x ∼0.3, and from MH insulator to Peierls insulator at x ∼0.9 with increasing x. From the analysis of optical conductivity spectra using the ID two-band extended Peierls-Hubbard model, electronic parameters such as Coulomb repulsion energy, pd hybridization, CT energy, and electron-lattice interaction are determined.

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Tuning the electronic structure from charge-transfer insulator to Mott-Hubbard and Peierls insulators in one-dimensional halogen-bridged mixed-metal compounds

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