57fe mössbauer spectroscopy
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Molecules ◽  
2021 ◽  
Vol 26 (4) ◽  
pp. 1062
Author(s):  
Ernő Kuzmann ◽  
Zoltán Homonnay ◽  
Zoltán Klencsár ◽  
Roland Szalay

In this mini-review of our research group’s activity, the application of 57Fe Mössbauer spectroscopy in studies of electronic structure, coordination environment, and magnetic interactions in an interesting series of Fe(II/III) compounds selected is discussed. We selected two prominent phenomena that arose during investigations of selected groups of compounds carried out at different periods of time: (1) very high magnetic hyperfine fields observed at low temperatures; (2) changes in the oxidation state of the central iron atom of complexes in the solid state during interactions with gaseous O2/H2O mixtures, resulting in spin crossover (SCO).


2021 ◽  
Author(s):  
Natalia Kazak ◽  
Yurii V. Knyazev ◽  
Vyacheslav Zhandun ◽  
Juan Bartolomé ◽  
Ana Arauzo ◽  
...  

The ludwigite Co2FeBO5 has been studied experimentally using 57Fe Mössbauer spectroscopy and theoretically by means of the DFT+GGA calculations. The room-temperature Mössbauer spectra are composed of four quadrupole doublets corresponding...


2021 ◽  
Vol 50 (6) ◽  
pp. 2210-2220
Author(s):  
R A. Khalaniya ◽  
A V. Sobolev ◽  
V Yu. Verchenko ◽  
A A. Tsirlin ◽  
A Senyshyn ◽  
...  

Fe32.1Ge33As2 and Fe32.5Ge32P3 demonstrate complex commensurate antiferromagnetic ordering below 125 K accompanied by a spin reorientation upon further cooling.


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