Barrier effect of collisional processes on electron swarms in nitrogen

Sugawara, Hirotake; Satoh, Kohki; Sakai, Yosuke

doi:10.1088/0022-3727/34/21/312


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Barrier effect of collisional processes on electron swarms in nitrogen

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/775

Title:	Barrier effect of collisional processes on electron swarms in nitrogen
Authors:	Sugawara, Hirotake¹ Browse this author →KAKEN DB
	Satoh, Kohki Browse this author
	Sakai, Yosuke Browse this author
Authors(alt):	菅原, 広剛¹
Issue Date:	7-Nov-2001
Publisher:	Institute of Physics
Journal Title:	Journal of Physics D: Applied Physics
Volume:	34
Issue:	21
Start Page:	3191
End Page:	3196
Publisher DOI:	10.1088/0022-3727/34/21/312
Abstract:	The electron velocity distribution function (EVDF) of electron swarms in N2 has a constricted part at an electron energy of around 2-3 eV. This feature has been explained by considering the barrier effect of vibrational excitation collisions that prevents the gain of energy by slow electrons. In order to investigate the barrier effect in detail further, we simulated the electron behaviour around the energy range of the barrier. We found that momentum transfer collisions also contribute to the barrier effect in collaboration with vibrational excitation. In addition, an evaluation of the electron flow in velocity space is thought to indicate a factor by which the presence of the barrier effect in N2 is revealed in the EVDF; the depression of the electron interchange across the barrier is not only due to the barrier effect itself but also due to the small electron transfer associated with the energy loss by electronic excitation.
Rights:	Copyright (c) 2001 IOP Publishing Ltd.
Relation:	http://www.iop.org/EJ/journal/0022-3727/1
Type:	article (author version)
URI:	http://hdl.handle.net/2115/775
Appears in Collections:	情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 菅原広剛

OAI-PMH ( junii2 , jpcoar_1.0 )

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