Trigonal selenium is a prototypical one-dimensional (1D) van der Waals (vdW) solid, where covalently bonded helical chains are held together by weaker vdW forces. In this work, we have studied structural transformation from a three-dimensional amorphous phase of non-interacting Se chains into a 1D vdW crystal using x-ray absorption spectroscopy. The crystallization process and establishment of vdW interaction are accompanied by elongation and weakening of covalent Se-Se bonds. We have found a unique signature in the x-ray absorption near-edge structure spectrum that is associated with vdW bonds and can be used to identify the formation of the latter. We believe that a similar approach can be used to study other 1D vdW solids, such as transition-metal trichalcogenides, and particularly stress the usefulness of x-ray absorption spectroscopy to identify vdW bonds.
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17 January 2022
Research Article|
January 20 2022
The formation of a one-dimensional van der Waals selenium crystal from the three-dimensional amorphous phase: A spectroscopic signature of van der Waals bonding
Special Collection:
One-Dimensional van der Waals Materials
Milos Krbal
;
Milos Krbal
a)
1
Center of Materials and Nanotechnologies (CEMNAT), Faculty of Chemical Technology, University of Pardubice
, 530 02 Pardubice, Czech Republic
a)Authors to whom correspondence should be addressed: Milos.Krbal@upce.cz and akolobov@herzen.spb.ru
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Alexander V. Kolobov
;
Alexander V. Kolobov
a)
2
Department of Physical Electronics, Institute of Physics, Herzen State Pedagogical University of Russia
, St. Petersburg 191186, Russia
3
Device Technology Research Institute, National Institute of Advanced Industrial Science and Technology
, Tsukuba 305-8568, Ibaraki, Japan
a)Authors to whom correspondence should be addressed: Milos.Krbal@upce.cz and akolobov@herzen.spb.ru
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Paul Fons
;
Paul Fons
3
Device Technology Research Institute, National Institute of Advanced Industrial Science and Technology
, Tsukuba 305-8568, Ibaraki, Japan
4
Faculty of Science and Technology, Department of Electronics and Electrical Engineering, Keio University
, Yokohama 223-8522, Kanagawa, Japan
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Yuta Saito
;
Yuta Saito
3
Device Technology Research Institute, National Institute of Advanced Industrial Science and Technology
, Tsukuba 305-8568, Ibaraki, Japan
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George Belev
;
George Belev
5
Electrical and Computer Engineering, University of Saskatchewan
, 57 Campus Drive, Saskatoon, Saskatchewan S7N5A9, Canada
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Safa Kasap
Safa Kasap
5
Electrical and Computer Engineering, University of Saskatchewan
, 57 Campus Drive, Saskatoon, Saskatchewan S7N5A9, Canada
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a)Authors to whom correspondence should be addressed: Milos.Krbal@upce.cz and akolobov@herzen.spb.ru
Note: This paper is part of the APL Special Collection on One-Dimensional van der Waals Materials.
Appl. Phys. Lett. 120, 033103 (2022)
Article history
Received:
November 29 2021
Accepted:
January 06 2022
Citation
Milos Krbal, Alexander V. Kolobov, Paul Fons, Yuta Saito, George Belev, Safa Kasap; The formation of a one-dimensional van der Waals selenium crystal from the three-dimensional amorphous phase: A spectroscopic signature of van der Waals bonding. Appl. Phys. Lett. 17 January 2022; 120 (3): 033103. https://doi.org/10.1063/5.0080133
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