Measurement of the orientation of buffer-gas-cooled, electrostatically-guided ammonia molecules

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• 作者：Edward W. Steer^a ; Lorenzo S. Petralia^a ; Colin M. Western^b ; Brianna R. Heazlewood^a ; ^{brianna.heazlewood@chem.ox.ac.uk} ; Timothy P. Softley^c
• 关键词：Cold molecules ; Quadrupole guide ; Alignment ; Ammonia ; Polarisation
• 刊名：Journal of Molecular Spectroscopy
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：332
• 期：Complete
• 页码：94-102
• 全文大小：1891 K
• 卷排序：332

文摘

Spatial orientation of ND3 molecules measured using (2 + 1) REMPI spectroscopy. Some orientation observed, even though molecules pass through grounded mesh. Partial loss of orientation due to near-zero field region and rapid field rotation. Simulations suggest complete orientation achievable with additional small bias field.