Magnetoabsorption of the lowest exciton in perovskite-type compound (CH3NH3)PbI3

M. Hirasawa; Teruya Ishihara; T. Goto; K. Uchida; N. Miura

doi:10.1016/0921-4526(94)91130-4

Magnetoabsorption of the lowest exciton in perovskite-type compound (CH₃NH₃)PbI₃

M. Hirasawa, Teruya Ishihara, T. Goto, K. Uchida, N. Miura

SCI - Physics

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

296 Citations (Scopus)

Abstract

Magnetoabsorption spectra of (CH₃NH₃)PbI₃ are investigated in the Faraday configuration up to 40 T at 4.2 K. The compound consists of three-dimensional networks of corner-sharing octahedra [PbI₆]^4-. The Zeeman splitting and the diamagnetic shift are observed, and the effective g-factor and the diamagnetic coefficient are 1.2 ± 0.1 and (2.7 ± 0.1) × 10^-6 eV/T², respectively. From the diamagnetic shift, the Bohr radius, the binding energy and the reduced mass of the exciton are estimated to be 28 Å, 37 meV and 0.12m₀, respectively. The exciton in (CH₃NH₃)PbI₃ is one of typical Wannier-type excitons with large radius, which is in contrast with the exciton in (C₁₀H₂₁NH₃)₂PbI₄, consisting of two-dimensional networks of [PbI₆]^4-.

Original language	English
Pages (from-to)	427-430
Number of pages	4
Journal	Physica B: Physics of Condensed Matter
Volume	201
Issue number	C
DOIs	https://doi.org/10.1016/0921-4526(94)91130-4
Publication status	Published - 1994 Jan 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Magnetoabsorption of the lowest exciton in perovskite-type compound (CH3NH3)PbI3 ",

abstract = "Magnetoabsorption spectra of (CH3NH3)PbI3 are investigated in the Faraday configuration up to 40 T at 4.2 K. The compound consists of three-dimensional networks of corner-sharing octahedra [PbI6]4-. The Zeeman splitting and the diamagnetic shift are observed, and the effective g-factor and the diamagnetic coefficient are 1.2 ± 0.1 and (2.7 ± 0.1) × 10-6 eV/T2, respectively. From the diamagnetic shift, the Bohr radius, the binding energy and the reduced mass of the exciton are estimated to be 28 {\AA}, 37 meV and 0.12m0, respectively. The exciton in (CH3NH3)PbI3 is one of typical Wannier-type excitons with large radius, which is in contrast with the exciton in (C10H21NH3)2PbI4, consisting of two-dimensional networks of [PbI6]4-.",

author = "M. Hirasawa and Teruya Ishihara and T. Goto and K. Uchida and N. Miura",

year = "1994",

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doi = "10.1016/0921-4526(94)91130-4",

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TY - JOUR

T1 - Magnetoabsorption of the lowest exciton in perovskite-type compound (CH3NH3)PbI3

AU - Hirasawa, M.

AU - Ishihara, Teruya

AU - Goto, T.

AU - Uchida, K.

AU - Miura, N.

PY - 1994/1/1

Y1 - 1994/1/1

N2 - Magnetoabsorption spectra of (CH3NH3)PbI3 are investigated in the Faraday configuration up to 40 T at 4.2 K. The compound consists of three-dimensional networks of corner-sharing octahedra [PbI6]4-. The Zeeman splitting and the diamagnetic shift are observed, and the effective g-factor and the diamagnetic coefficient are 1.2 ± 0.1 and (2.7 ± 0.1) × 10-6 eV/T2, respectively. From the diamagnetic shift, the Bohr radius, the binding energy and the reduced mass of the exciton are estimated to be 28 Å, 37 meV and 0.12m0, respectively. The exciton in (CH3NH3)PbI3 is one of typical Wannier-type excitons with large radius, which is in contrast with the exciton in (C10H21NH3)2PbI4, consisting of two-dimensional networks of [PbI6]4-.

AB - Magnetoabsorption spectra of (CH3NH3)PbI3 are investigated in the Faraday configuration up to 40 T at 4.2 K. The compound consists of three-dimensional networks of corner-sharing octahedra [PbI6]4-. The Zeeman splitting and the diamagnetic shift are observed, and the effective g-factor and the diamagnetic coefficient are 1.2 ± 0.1 and (2.7 ± 0.1) × 10-6 eV/T2, respectively. From the diamagnetic shift, the Bohr radius, the binding energy and the reduced mass of the exciton are estimated to be 28 Å, 37 meV and 0.12m0, respectively. The exciton in (CH3NH3)PbI3 is one of typical Wannier-type excitons with large radius, which is in contrast with the exciton in (C10H21NH3)2PbI4, consisting of two-dimensional networks of [PbI6]4-.

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U2 - 10.1016/0921-4526(94)91130-4

DO - 10.1016/0921-4526(94)91130-4

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EP - 430

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

IS - C

ER -

Magnetoabsorption of the lowest exciton in perovskite-type compound (CH₃NH₃)PbI₃

Abstract

ASJC Scopus subject areas

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