Low-temperature Near-field Scanning Optical Microscope for UV-visible Spectroscopy of Nanostructures

Title
Low-temperature Near-field Scanning Optical Microscope for UV-visible Spectroscopy of Nanostructures
Author(s)
김종수임상엽[임상엽]김용환[김용환]변지수[변지수]차옥환[차옥환]정문석[정문석]박두재[박두재]최수봉[최수봉]김대식[김대식]Ch. Lienau[Ch. Lienau]
Keywords
QUANTUM-WELLS; DEFECTS; DOT
Issue Date
201003
Publisher
KOREAN PHYSICAL SOC
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.56, no.3, pp.717 - 720
Abstract
A low-temperature near-field scanning optical microscope (LT-NSOM) is designed and realized in order to study the optical properties of nanostructures at cryogenic temperatures in the UV-visible wavelength range. Due to the simple and extensive optical design, any type of NSOM operation mode is accessible. In particular, the localized photoluminescence spectra of nanostructures can be measured at temperatures from 13 K up to 300 K. We successfully demonstrate the performance of our LT-NSOM by investigating InGaN/GaN multiple quantum wells grown on a sapphire substrate at 15 K.
URI
http://hdl.handle.net/YU.REPOSITORY/22761http://dx.doi.org/10.3938/jkps.56.717
ISSN
0374-4884
Appears in Collections:
이과대학 > 물리학과 > Articles
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