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Sub-micron period lattice structures of magnetic microtraps for ultracold atoms on an atom chip

We report on the design, fabrication and characterization of magnetic nanostructures to create a lattice of magnetic traps with sub-micron period for trapping ultracold atoms. These magnetic nanostructures were fabricated by patterning a Co/Pd multilayered magnetic film grown on a silicon substrate...

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Bibliographic Details
Main Authors: Herrera, Ivan (Author) , Wang, Y. (Author) , Michaux, P. (Author) , Nissen, D. (Author) , Surendran, P. (Author) , Juodkazis, S. (Author) , Whitlock, Shannon (Author) , McLean, R. J. (Author) , Sidorov, A. (Author) , Albrecht, M. (Author) , Hannaford, P. (Author)
Format: Article (Journal)
Language:English
Published: 24 February 2015
In: Journal of physics. D, Applied physics
Year: 2015, Volume: 48, Issue: 11
ISSN:1361-6463
DOI:10.1088/0022-3727/48/11/115002
Online Access:Verlag, Volltext: https://doi.org/10.1088/0022-3727/48/11/115002
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Author Notes:I. Herrera, Y. Wang, P. Michaux, D. Nissen, P. Surendran, S. Juodkazis, S. Whitlock, R.J. McLean, A. Sidorov, M. Albrecht, P. Hannaford
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Summary:We report on the design, fabrication and characterization of magnetic nanostructures to create a lattice of magnetic traps with sub-micron period for trapping ultracold atoms. These magnetic nanostructures were fabricated by patterning a Co/Pd multilayered magnetic film grown on a silicon substrate using high precision e-beam lithography and reactive ion etching. The Co/Pd film was chosen for its small grain size and high remanent magnetization and coercivity. The fabricated structures are designed to magnetically trap 87Rb atoms above the surface of the magnetic film with one-dimensional and two-dimensional (triangular and square) lattice geometries and sub-micron period. Such magnetic lattices can be used for quantum tunneling and quantum simulation experiments, including using geometries and periods that may be inaccessible with optical lattices.
Item Description:Gesehen am 27.08.2020
Physical Description:Online Resource
ISSN:1361-6463
DOI:10.1088/0022-3727/48/11/115002

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