scholarly journals State-selective ion mobility measurement for NHn+(n= 1 - 3) ions in helium gas at low temperature

2015 ◽  
Vol 635 (3) ◽  
pp. 032070
Author(s):  
K Mori ◽  
H Maki ◽  
A Ninomiya ◽  
R Isawa ◽  
H Tanuma
Keyword(s):  
Low Temperature ◽  
Ion Mobility ◽  
Helium Gas ◽  
Mobility Measurement

scholarly journals Improving Ion Mobility Measurement Sensitivity by Utilizing Helium in an Ion Funnel Trap

2014 ◽  
Vol 86 (11) ◽  
pp. 5295-5299 ◽  
Author(s):  
Yehia M. Ibrahim ◽  
Sandilya V. B. Garimella ◽  
Aleksey V. Tolmachev ◽  
Erin S. Baker ◽  
Richard D. Smith
Keyword(s):  
Ion Mobility ◽  
Measurement Sensitivity ◽  
Funnel Trap ◽  
Mobility Measurement ◽  
Ion Funnel

scholarly journals The role of spin–orbit effects in the mobility of N+ ions moving in a helium gas at low temperature

2020 ◽  
Vol 74 (7) ◽  
Author(s):  
Lamia Aïssaoui ◽  
Peter J. Knowles ◽  
Moncef Bouledroua
Keyword(s):  
Low Temperature ◽  
Cross Sections ◽  
Orbit Coupling ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Temperature Model ◽  
Helium Gas ◽  
Spin Orbit Interactions ◽  
High Level

Abstract The mobility of N+ ions in ground-state helium gas at very low temperature is examined with explicit inclusion of spin–orbit coupling effects. The ionic kinetics is treated theoretically with the three-temperature model. The N+–He interaction potentials, including spin–orbit coupling, are determined using high-level ab initio calculations. Then, the classical and quantal transport cross sections, both needed in the computation of the mobility coefficients, are calculated in terms of the collisional energy of the N+–He system. The numerical results, at temperature 4.3 K, show the spin–orbit interactions have negligible effect on the mobility coefficients. Graphical abstract

Ion mobility spectrometry: a review. Part 1. Structural analysis by mobility measurement

The Analyst ◽  
2004 ◽  
Vol 129 (11) ◽  
pp. 984 ◽  
Author(s):  
Colin S. Creaser ◽  
John R. Griffiths ◽  
Claire J. Bramwell ◽  
Sadaf Noreen ◽  
Carol A. Hill ◽  
...  
Keyword(s):  
Structural Analysis ◽  
Ion Mobility Spectrometry ◽  
Ion Mobility ◽  
Mobility Measurement

Ion mobility measurements and thermal transpiration effects in helium gas at 4.3 K

2000 ◽  
Vol 113 (5) ◽  
pp. 1738-1744 ◽  
Author(s):  
Hajime Tanuma ◽  
Hideko Fujimatsu ◽  
Nobuo Kobayashi
Keyword(s):  
Ion Mobility ◽  
Thermal Transpiration ◽  
Helium Gas

Gaseous ion mobility measurement: N2H+ in helium and argon at 295 K

1982 ◽  
Vol 89 (5) ◽  
pp. 443-445 ◽  
Author(s):  
T.T.C. Jones ◽  
J.D.C. Jones ◽  
K. Birkinshaw ◽  
N.D. Twiddy
Keyword(s):  
Ion Mobility ◽  
Mobility Measurement
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