Direct Observation of Charge Carrier Concentrations in Operating Field-Effect Transistors of Pentacene by Electron Spin Resonance

2011 ◽  
Author(s):  
H. Tanaka ◽  
M. Hirate ◽  
S. Watanabe ◽  
H. Ito ◽  
K. Marumoto ◽  
...  
Keyword(s):  
Electron Spin Resonance ◽  
Charge Carrier ◽  
Electron Spin ◽  
Direct Observation ◽  
Field Effect ◽  
Field Effect Transistors ◽  
Operating Field ◽  
Spin Resonance

Matrix dependence of the electron spin resonance spectra of the radical trapped in different single crystals

1977 ◽  
Vol 55 (20) ◽  
pp. 3554-3558 ◽  
Author(s):  
J. P. Michaut ◽  
J. Roncin
Keyword(s):  
Electron Spin Resonance ◽  
Single Crystal ◽  
Single Crystals ◽  
Electron Spin ◽  
Experimental Error ◽  
Field Effect ◽  
Coupling Constants ◽  
Crystal Field Effect ◽  
Proton Coupling ◽  
Spin Resonance

Nitrogen and proton coupling tensors have been measured for the [Formula: see text] radical trapped in five different single crystal matrices. As all isotropic coupling constants are the same within experimental error (aN = 21.2 G, aH = 28.4 G), no measurable crystal field effect is found. In these solids the motions of the radical depend on the dimension of the trapping cage and the motions of the surrounding molecules.

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