Browsing by Author "Krastev, Petko B."

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      Anisotropy of the Electric Field Gradient in Two-Dimensional α-MoO3 Investigated by 57Mn(57Fe) Emission Mössbauer Spectroscopy 

      Schell, Juliana; Zyabkin, Dmitry; Bharuth-Ram, Krish; Gonçalves, João N.; Díaz-Guerra, Carlos; Gunnlaugsson, Haraldur Páll; Tarazaga Martín-Luengo, Aitana; Schaaf, Peter; Bonanni, Alberta; Masenda, Hilary; Dang, Thien Thanh; Mølholt, Torben E.; Ólafsson, Sveinn; Unzueta Solozabal, Iraultza ORCID; Mantovan, Roberto; Johnston, Karl; Gíslason, Hafliði Pétur; Krastev, Petko B.; Naidoo, Deena; Qi, Bingcui (MDPI, 2022-07-04)
      Van der Waals α-MoO3 samples offer a wide range of attractive catalytic, electronic, and optical properties. We present herein an emission Mössbauer spectroscopy (eMS) study of the electric-field gradient (EFG) anisotropy ...
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      Unusual charge states and lattice sites of Fe in Al x Ga1-x N:Mn 

      Masenda, Hilary; Gunnlaugsson, Haraldur Páll; Adhikari, Rajdeep; Bharuth-Ram, Krish; Naidoo, Deena; Tarazaga Martín-Luengo, Aitana; Unzueta Solozabal, Iraultza ORCID; Mantovan, Roberto; Mølholt, Torben E.; Johnston, Karl; Schell, Juliana; Mokhles Gerami, Adeleh; Krastev, Petko B.; Qi, Bingcui; Ólafsson, Sveinn; Gíslason, Hafliði Pétur; Ernst, Arthur; Bonanni, Alberta (IOP, 2022)
      Charge states and lattice sites of Fe ions in virgin and Mn-doped Al x Ga1-x N samples were investigated using Fe-57 emission Mossbauer spectroscopy following radioactive Mn-57(+) ion implantation at ISOLDE, CERN. In the ...