Metal-nitroxyl interactions. 51. Collapse of iron-nitroxyl electron-electron spin-spin splitting due to the increase in the electron spin relaxation rate for high-spin iron(III) when temperature is increased

1986 ◽  
Vol 108 (26) ◽  
pp. 8194-8196 ◽  
Author(s):  
Lee. Fielding ◽  
Kundalika M. More ◽  
Gareth R. Eaton ◽  
Sandra S. Eaton
2021 ◽  
Vol 2112 (1) ◽  
pp. 012010
Author(s):  
Tian Zhao ◽  
Kai Wei ◽  
Yueyang Zhai ◽  
Chencheng Tang

Abstract Accurate measurement of alkali metal density ratio in hybrid vapor cells is essential for high sensitivity of comagnetometers. We introduce and investigate a new method of measuring the density ratio based on electron spin-relaxation rate. The Bloch equations including the parameter of density ratio are studied, and the density measurement results show that measurement uncertainty is less than 12%. The advantage of this method is measuring the in-situ density ratio, which is more precise and useful for optimizing sensitivity of comagnetometers by adjusting the density ratio in real time.


2016 ◽  
Vol 247 ◽  
pp. 111-117
Author(s):  
Albert M. Ziatdinov ◽  
Vladimir V. Kainara ◽  
Nikita S. Saenko

The results of investigation of changes in electronic structure and magnetic properties of multilayer graphene nanoclusters (nanographites) occurring during their interaction with adsorbed chlorine molecules are presented. The found reversible decrease in the density of states of current carriers D(EF) at the Fermi energy EF can be explained by the spin-splitting of edge π-electron states in nanographites induced by the enhancement of electron-electron interactions due to increase of the D(EF) at partial transfer of the electron density from nanographites to chlorine adatoms. The revealed irreversible decrease in the concentration of localized spins indicates that the electron spins of 3p-orbitals of chlorine and unpaired (dundling) σ-orbitals of edge carbon atoms are coupled also at this interaction, i.e. the edge covalent compound of nanographite with chlorine forms. Character of changes in the spin-relaxation rate of π-electrons depending on the amount of adsorbed chlorine molecules and on temperature in chlorinated samples are also consistent with the above model of nanographite-chlorine interaction.


2021 ◽  
Vol 125 (3) ◽  
pp. 841-849 ◽  
Author(s):  
Krzysztof Tadyszak ◽  
Radosław Mrówczyński ◽  
Raanan Carmieli

2016 ◽  
Vol 108 (8) ◽  
pp. 082103 ◽  
Author(s):  
S. Azaizia ◽  
A. Balocchi ◽  
H. Carrère ◽  
P. Renucci ◽  
T. Amand ◽  
...  

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