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Probing the local environments and optical properties in halide perovskites with short-lived radioactive isotopes
/ Masenda, Hilary (University of the Witwatersrand) ; Borchert, Juliane Anna (Fraunhofer Institute for Solar Energy Systems ISE) ; Deena, Naidoo (University of the Witwatersrand) ; Jakata, Kudakwashe (Diamond Light Source Ltd) ; Johnston, Karl (ISOLDE, CERN) ; Bharuth-Ram, Krish (University of KwaZulu-Natal) ; Gunnlaugsson, Haraldur Páll (University of Iceland) ; Er-Raji, Oussama (Fraunhofer Institute for Solar Energy Systems ISE) ; Gupta, Yashika (Fraunhofer Institute for Solar Energy Systems ISE) ; Mantovan, Roberto (CNR-IMM, Unit of Agrate Brianza) et al.
CERN-INTC-2024-018 ; INTC-P-697.
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2024.
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Nuclear-chemical synthesis of iron compounds and their Mössbauer identification
/ Gunnlaugsson, HP (Science Institute, University of Iceland, Iceland) ; Dedushenko, SK (Department of Chemistry, Moscow State University, Moscow, Russia) ; Hemmingsen, L (Department of chemistry, University of Copenhagen, Denmark) ; Sauer, SPA (Department of chemistry, University of Copenhagen, Denmark) ; Bendix, J (Department of chemistry, University of Copenhagen, Denmark) ; Schell, J (ISOLDE, CERN, Geneve, Switzerland & Institute for Materials Science and Center for Nanointegration, Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141 Essen, Germany) ; Johnston, K (ISOLDE, CERN, Geneve, Switzerland) ; Schaaf, P (TU Ilmenau, Institute for Materials Engineering and Institute for Micro and Nanotechnologies MacroNano®, Chair for Materials in Electrical Engineering and Electronics, 98693 Ilmenau, Germany) ; Pereira, LMC (IKS, KU Leuven, Leuven, Belgium) ; Mantovan, R (Laboratorio MDM, CNR-IMM, Agrate Brianza (MB) Italia) et al.
CERN-INTC-2017-018 ; INTC-P-500.
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2017.
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Unusual charge states and lattice sites of Fe in Al$_{x}$Ga$_{1−x}$N:Mn
/ Masenda, Hilary (Witwatersrand U. ; Philipps U. Marburg) ; Gunnlaugsson, Haraldur Páll (Iceland U.) ; Adhikari, Rajdeep (Linz U.) ; Bharuth-Ram, Krish (DUT, Durban) ; Naidoo, Deena (Witwatersrand U.) ; Tarazaga Martín-Luengo, Aitana (Linz U.) ; Unzueta, Iraultza (Basque U., Bilbao) ; Mantovan, Roberto (CNR-IMM, Catania) ; Mølholt, Torben Esmann (CERN) ; Johnston, Karl (CERN) et al.
Charge states and lattice sites of Fe ions in virgin and Mn-doped Al$_{x}$Ga$_{1−x}$N samples were investigated using $^{57}$Fe emission Mössbauer spectroscopy following radioactive $^{57}$Mn$^{+}$ ion implantation at ISOLDE, CERN. In the undoped Al$_{x}$Ga$_{1−x}$N, Fe$^{2+}$ on Al/Ga sites associated with nitrogen vacancies and Fe$^{3+}$ on substitutional Al/Ga sites are identified. [...]
2022 - 12 p.
- Published in : New J. Phys. 24 (2022) 103007
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Long lived isotopes for emission Mössbauer spectroscopy during the long shutdown 2018-2020
/ Mantovan, Roberto (Laboratorio MDM, CNR-IMM, Unità di Agrate Brianza, Via Olivetti 2, 20864 Agrate Brianza (MB) Italia) ; Gunnlaugsson, Haraldur (Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavík, Iceland)
CERN-INTC-2017-061 ; INTC-I-192.
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2017.
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Compositional Dependence of Epitaxial
L
1
0
‐Mn
x
Ga Magnetic Properties as Probed by
57
Mn/Fe and
119
In/Sn Emission Mössbauer Spectroscopy
/ Unzueta, Iraultza (Basque U., Bilbao) ; Gunnlaugsson, Haraldur Pall (Iceland U.) ; Mølholt, Torben Esmann (CERN) ; Masenda, Hilary (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Mokhles Gerami, Adeleh (IPM, Tehran) ; Krastev, Petko (Sofiya, Inst. Nucl. Res.) ; Zyabkin, Dmitry V (Ilmenau Tech. U.) ; Bharuth-Ram, Krish (KwaZulu Natal U.) ; Naidoo, Deena (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Ólafsson, Sveinn (Iceland U.) et al.
The magnetic properties of MnxGa alloys critically depend on compositionx, andthe atomic-scale origin of those dependences is still not fully disclosed. Molecularbeam epitaxy has been used to produce a set of MnxGa samples (x¼0.7÷1.9)with strong perpendicular magnetic anisotropy, and controllable saturationmagnetization and coercivefield depending onx. [...]
2022 - 11 p.
- Published in : Phys. Status Solidi B 259 (2022) 2200121
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Charge and spin states of Fe in binary compounds
/ Gunnlaugsson, HP (Science Institute, University of Iceland, Iceland) ; Hemmingsen, L (Department of chemistry, University of Copenhagen, Denmark) ; Masenda, H (School of Physics, University of the Witwatersrand, South Africa) ; Olafsson, S (Science Institute, University of Iceland, Iceland) ; Dedushenko, SK (Department of Chemistry, Moscow State University, Moscow, Russia) ; Gerami, A (Department of Physics, K.N. Toosi University of Technology, Tehran, Iran) ; Schell, J (ISOLDE, CERN, Geneve, Switzerland) ; Zyabkin, D (TU Ilmenau, Ilmenau, Germany) ; Bharuth-Ram, K (School of Physics, University of KwaZulu-Natal, Durban, South Africa) ; Mössbauer collaboration at ISOLDE/CERN, The (https ; //e-ms.web.cern.ch/content/collaborators)
CERN-INTC-2020-066 ; INTC-P-581.
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2020.
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ISOLDE PROGRAMME
/ Zakoucky, D et al.
Approved: 19 December 1964.-
Status: Data Taking
External link: Experiment home page
Experiment: ISOLDE
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Experimental and Theoretical Study of Electronic and Hyperfine Properties of Hydrogenated Anatase (TiO2): Defect Interplay and Thermal Stability
/ Zyabkin, D V (Palacky U. ; Ilmenau Tech. U.) ; Gunnlaugsson, H P (Iceland U.) ; Gonçalves, J N (Aveiro U.) ; Bharuth-Ram, K (KwaZulu Natal U. ; DUT, Durban) ; Qi, B (Iceland U.) ; Unzueta, I (Basque U., Bilbao) ; Naidoo, D (Witwatersrand U.) ; Mantovan, R (CNR-IMM, Catania) ; Masenda, H (Witwatersrand U.) ; Ólafsson, S (Iceland U.) et al.
The performance of TiO$_2$-based materials is highly dependent on the electronic structure and local defect configurations. Hence, a thorough understanding of defect interaction plays a key role. [...]
2020 - 12 p.
- Published in : The Journal of Physical Chemistry C 124 (2020) 7511-7522
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10.
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Experimental investigation of decay properties of neutron deficient $^{116-118}$Ba isotopes and test of $^{112-115}$Ba beam counts
/ Ray, J (Saha Institute Of Nuclear Physics, Kolkata, India) ; Bhattacharya, P (Saha Institute Of Nuclear Physics, Kolkata, India) ; Becerril, A (Inst. de Estructura de la Materia, Spain) ; Blumenfeld, Y (ISOLDE, CERN, Switzerland) ; Borge, MJG (Inst. de Estructura de la Materia, Spain) ; Cederkall, J (Physics Department, University of Lund, Sweden) ; Chakraborty, S (Saha Institute Of Nuclear Physics, Kolkata, India) ; Cocolios, T E (ISOLDE, CERN, Switzerland) ; Fraile, L M (ISOLDE, CERN, Switzerland) ; Fynbo, HOU (Dept. of Physics and Astronomy, Aarhus Univ.,Denmark) et al.
CERN-INTC-2014-029 ; INTC-SR-038.
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2014.
Fulltext - Original Document (INTC-P-337)
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