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Nambu H, Noguchi Y, Saitoh K, et al. Nearly nondiffracting electron lattice beams generated by polygonal slits. Microscopy (Oxf). 2017;66(4):295-299doi: 10.1093/jmicro/dfx020.
Nambu, H., Noguchi, Y., Saitoh, K., & Uchida, M. (2017). Nearly nondiffracting electron lattice beams generated by polygonal slits. Microscopy (Oxford, England), 66(4), 295-299. https://doi.org/10.1093/jmicro/dfx020
Nambu, Hiroki, et al. "Nearly nondiffracting electron lattice beams generated by polygonal slits." Microscopy (Oxford, England) vol. 66,4 (2017): 295-299. doi: https://doi.org/10.1093/jmicro/dfx020
Nambu H, Noguchi Y, Saitoh K, Uchida M. Nearly nondiffracting electron lattice beams generated by polygonal slits. Microscopy (Oxf). 2017 Aug 01;66(4):295-299. doi: 10.1093/jmicro/dfx020. PMID: 28637263.
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Microscopy (Oxf). 2017 Aug 01;66(4):295-299. doi: 10.1093/jmicro/dfx020.

Nearly nondiffracting electron lattice beams generated by polygonal slits.

Microscopy (Oxford, England)

Hiroki Nambu, Yuuki Noguchi, Koh Saitoh, Masaya Uchida

Affiliations

  1. Department of Crystalline Materials Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.
  2. Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.
  3. Advanced Science Research Laboratory, Saitama Institute of Technology, Fukaya, Saitama 369-0293, Japan.

PMID: 28637263 DOI: 10.1093/jmicro/dfx020

Abstract

A method for generating electron lattice beams carrying vortices using nanofabricated polygonal slits in a transmission electron microscope is proposed. Experimental and simulation study of the intensity of the beams verified their Bessel beam-like nearly nondiffracting behavior. Phase analysis using a diffractive imaging method found arrays of quantized vortices, forming an electron beam lattice with cylindrical intensity distribution in the propagation direction. Such vortex lattice beams may be used in a variety of applications including nanofabrication, particle manipulation or a new electron imaging method.

© The Author 2017. Published by Oxford University Press on behalf of The Japanese Society of Microscopy. All rights reserved. For permissions, please e-mail: [email protected].

Keywords: Bessel beam; electron lattice beam; electron vortex beam; nondiffracting beam

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