A Microscopic Model for the Second-Harmonic Generation from C60

Bert Koopmans; Anna-Maria Janner; Roberta Guardini; Harry T. Jonkman; George A. Sawatzky; Folkert  van der Woude

doi:10.1080/10587259408039260

A Microscopic Model for the Second-Harmonic Generation from C60

Bert Koopmans^*
, Anna-Maria Janner
, Roberta Guardini
, Harry T. Jonkman
, George A. Sawatzky
, Folkert van der Woude

^*Corresponding author for this work

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

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Abstract

We discuss the microscopic origin of the Second-Harmonic Generation (SHG) resonance at hBAR omega=1.81 eV, based on spectroscopic and thickness dependent SHG measurements on C-60 thin films. We assign the three-level diagram responsible for the observed SHG resonance, and show it to be of magnetic-dipole-induced origin. Furthermore we explain the absence of almost any surface contributions, and the narrow line width of the involved HOMO-LUMO (1(1)A(g)-->1(1)T(1g)) excitation at 1.81 eV.

Original language	English
Pages (from-to)	299-306
Number of pages	8
Journal	Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liq
Volume	256
Issue number	1
DOIs	https://doi.org/10.1080/10587259408039260
Publication status	Published - 1994
Event	2nd International Topical Conference on Optical Probes of Conjugated Polymers and Fullerenes - Duration: 15-Feb-1994 → 19-Feb-1994

Keywords

2ND-HARMONIC GENERATION
ABSORPTION-SPECTRA
FILMS

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A Microscopic Model for the Second-Harmonic Generation from C60
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title = "A Microscopic Model for the Second-Harmonic Generation from C60",

abstract = "We discuss the microscopic origin of the Second-Harmonic Generation (SHG) resonance at hBAR omega=1.81 eV, based on spectroscopic and thickness dependent SHG measurements on C-60 thin films. We assign the three-level diagram responsible for the observed SHG resonance, and show it to be of magnetic-dipole-induced origin. Furthermore we explain the absence of almost any surface contributions, and the narrow line width of the involved HOMO-LUMO (1(1)A(g)-->1(1)T(1g)) excitation at 1.81 eV.",

keywords = "2ND-HARMONIC GENERATION, ABSORPTION-SPECTRA, FILMS",

author = "Bert Koopmans and Anna-Maria Janner and Roberta Guardini and Jonkman, \{Harry T.\} and Sawatzky, \{George A.\} and \{van der Woude\}, Folkert",

note = "Relation: http://www.rug.nl/scheikunde/ date\_submitted:2006 Rights: University of Groningen. Materials Science Centre; 2nd International Topical Conference on Optical Probes of Conjugated Polymers and Fullerenes ; Conference date: 15-02-1994 Through 19-02-1994",

year = "1994",

doi = "10.1080/10587259408039260",

language = "English",

volume = "256",

pages = "299--306",

journal = "Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liq",

publisher = "Taylor \& Francis Group",

number = "1",

}

TY - JOUR

T1 - A Microscopic Model for the Second-Harmonic Generation from C60

AU - Koopmans, Bert

AU - Janner, Anna-Maria

AU - Guardini, Roberta

AU - Jonkman, Harry T.

AU - Sawatzky, George A.

AU - van der Woude, Folkert

N1 - Relation: http://www.rug.nl/scheikunde/ date_submitted:2006 Rights: University of Groningen. Materials Science Centre

PY - 1994

Y1 - 1994

N2 - We discuss the microscopic origin of the Second-Harmonic Generation (SHG) resonance at hBAR omega=1.81 eV, based on spectroscopic and thickness dependent SHG measurements on C-60 thin films. We assign the three-level diagram responsible for the observed SHG resonance, and show it to be of magnetic-dipole-induced origin. Furthermore we explain the absence of almost any surface contributions, and the narrow line width of the involved HOMO-LUMO (1(1)A(g)-->1(1)T(1g)) excitation at 1.81 eV.

AB - We discuss the microscopic origin of the Second-Harmonic Generation (SHG) resonance at hBAR omega=1.81 eV, based on spectroscopic and thickness dependent SHG measurements on C-60 thin films. We assign the three-level diagram responsible for the observed SHG resonance, and show it to be of magnetic-dipole-induced origin. Furthermore we explain the absence of almost any surface contributions, and the narrow line width of the involved HOMO-LUMO (1(1)A(g)-->1(1)T(1g)) excitation at 1.81 eV.

KW - 2ND-HARMONIC GENERATION

KW - ABSORPTION-SPECTRA

KW - FILMS

U2 - 10.1080/10587259408039260

DO - 10.1080/10587259408039260

M3 - Article

VL - 256

SP - 299

EP - 306

JO - Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liq

JF - Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liq

IS - 1

T2 - 2nd International Topical Conference on Optical Probes of Conjugated Polymers and Fullerenes

Y2 - 15 February 1994 through 19 February 1994

ER -

A Microscopic Model for the Second-Harmonic Generation from C60

Abstract

Keywords

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