Dr. Im Sik Han Profile

Dr. Im Sik Han

at Univ of Sheffield

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Publications (3)

Proceedings Article | 2 March 2020 Presentation + Paper

In-situ laser interference patterning of MBE growth surfaces

Yun Ran Wang, Mark Hopkinson, Im Sik Han, Chao Yuan Jin

Proceedings Volume 11268, 112680U (2020) https://doi.org/10.1117/12.2544992

KEYWORDS: Optical lithography, Indium, Indium arsenide, Quantum dots, Diffusion, Nanostructures, Semiconducting wafers, Gallium arsenide, Electron beam lithography, Beam splitters

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Proceedings Article | 2 March 2020 Presentation + Paper

Directed self-assembly of InAs quantum dots using in-situ interference lithography

Yun Ran Wang, Mark Hopkinson, Im Sik Han, Saraswati Behera, Chao Yuan Jin

Proceedings Volume 11291, 1129107 (2020) https://doi.org/10.1117/12.2544875

KEYWORDS: Indium arsenide, Quantum dots, Lithography, Diffusion, Indium, Atomic force microscopy, Gallium arsenide, Chemical species, Directed self assembly, Laser energy

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Proceedings Article | 2 March 2020 Paper

Fabrication of sub-micrometer periodic nanostructures using pulsed laser interference for efficient light trapping in optoelectronic devices

S. Behera, Y. Wang, I. S. Han, C. Jin, M. Hopkinson

Proceedings Volume 11267, 112671B (2020) https://doi.org/10.1117/12.2546212

KEYWORDS: Gallium arsenide, Nanowires, Pulsed laser operation, Semiconductors, Absorption, Nanolithography, Optoelectronic devices, Finite-difference time-domain method, Absorbance, Nanostructures

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