Temperature dependence of photoelectron angular distribution from thin films of chloroaluminum phthalocyanine on MoS 2
Author(s) -
Azuma Yasushi,
Tsutsui Masahiko,
Kera Satoshi,
Aoki Masaru,
Miyamae Takayuki,
Okudaira Koji K.,
Harada Yoshiya,
Ueno Nobuo
Publication year - 1998
Publication title -
journal of synchrotron radiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 99
ISSN - 1600-5775
DOI - 10.1107/s0909049597016889
Subject(s) - phthalocyanine , thin film , materials science , x ray photoelectron spectroscopy , analytical chemistry (journal) , chemistry , physics , nanotechnology , organic chemistry , nuclear magnetic resonance
Angle‐resolved UV photoelectron spectra were measured for thin films of chloroaluminum phthalocyanine deposited on cleaved MoS 2 surfaces. The take‐off angle (θ) dependence of the photoelectron intensity of the highest π band showed a remarkable sharpening upon cooling the film, indicating that thermal excitation of molecular vibrations gives a considerable broadening of the photoelectron angular distribution. The θ dependence observed at ∼120 K agrees well with that calculated.
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