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Structural formation yield of GeV centers from implanted Ge in diamond
/ Wahl, Ulrich (IST, Lisbon (main)) ; Correia, João Guilherme (IST, Lisbon (main)) ; Costa, Ângelo (Leuven U.) ; Lamelas, Afonso (Aveiro U.) ; Amaral, Vítor (Aveiro U.) ; Johnston, Karl (CERN) ; Magchiels, Goele (Leuven U.) ; Tunhuma, Shandirai Malven (Leuven U.) ; Vantomme, André (Leuven U.) ; Pereira, Lino M C (Leuven U.)
In order to study the structural formation yield of germanium-vacancy (GeV) centers from implanted Ge in diamond, we have investigated its lattice location by using the β$^{−}$ emission channeling technique from the radioactive isotope $^{75}$Ge (t$_{1/2}$ = 83 min) produced at the ISOLDE/CERN facility. $^{75}$Ge was introduced via recoil implantation following 30 keV ion implantation of the precursor isotope $^{75}$Ga (126 s) with fluences around 2 × 10$^{12}$–5 × 10$^{13}$ cm$^{−2}$. [...]
2024 - 16 p.
- Published in : Mat. Quant. Tech. 4 (2024) 025101
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Terbium-149 production: a focus on yield and quality improvement towards preclinical application
/ Favaretto, C (Basel U. ; PSI, Villigen) ; Grundler, P V (PSI, Villigen) ; Talip, Z (PSI, Villigen) ; Köster, U (Laue-Langevin Inst. ; CERN) ; Johnston, K (CERN) ; Busslinger, S D (PSI, Villigen) ; Sprung, P (PSI, Villigen) ; Hillhouse, C C (PSI, Villigen) ; Eichler, R (PSI, Villigen ; Bern U.) ; Schibli, R (PSI, Villigen ; Zurich, ETH) et al.
Terbium-149 (T$_{1/2}$ = 4.1 h, E$_{α}$ = 3.98 MeV (16.7%), 28 µm range in tissue) is a radionuclide with potential for targeted alpha therapy. Due to the negligible emission of α-emitting daughter nuclides, toxicity to healthy tissue may be reduced in comparison with other α-particle emitters. [...]
2024 - 12 p.
- Published in : Sci. Rep. 14 (2024) 3284
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Temperature Dependence of the Hyperfine Magnetic Field at Fe Sites in Ba-Doped BiFeO$_3$ Thin Films Studied by Emission Mössbauer Spectroscopy
/ Heiniger-Schell, Juliana (CERN ; Duisburg-Essen U.) ; Bharuth-Ram, Krish (ENS, Lyon, Lab. Phys. ; KwaZulu Natal U. ; DUT, Durban) ; Naicker, Kimara (ENS, Lyon, Lab. Phys. ; KwaZulu Natal U.) ; Masondo, Vusumuzi (DUT, Durban) ; Dang, Thien Thanh (Duisburg-Essen U.) ; Escobar, Marianela (Duisburg-Essen U.) ; Díaz-Guerra, Carlos (Madrid U.) ; Marschick, Georg (Vienna, Tech. U.) ; Masenda, Hilary (Witwatersrand U.) ; Gunnlaugsson, Haraldur P (Iceland U.) et al.
Emission $^{57}$Fe Mössbauer spectroscopy (eMS), following the implantation of radioactive $^{57}$Mn+ ions, has been used to study the temperature dependence of the hyperfine magnetic field at Fe sites in Ba-doped BiFeO$_3$ (BFO) thin films. $^{57}$Mn β decays (t$_{1/2}$ = 90 s) to the 14.4 keV Mössbauer state of $^{57}$Fe, thus allowing online eMS measurements at a selection of sample temperatures during Mn implantation. [...]
2023 - 13 p.
- Published in : Crystals 13 (2023) 724
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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.
Fulltext
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Determination of the Terbium-152 half-life from mass-separated samples from CERN-ISOLDE and assessment of the radionuclide purity
/ Collins, S M (Teddington, Natl. Phys. Lab ; U. Surrey (main)) ; Ko¨ster, U (Laue-Langevin Inst.) ; Robinson, A P (Teddington, Natl. Phys. Lab ; U. Manchester (main) ; Manchester U.) ; Ivanov, P (Teddington, Natl. Phys. Lab) ; Cocolios, T E (Leuven U.) ; Russell, B (Teddington, Natl. Phys. Lab) ; Fenwick, A J (Teddington, Natl. Phys. Lab) ; Bernerd, C (Leuven U. ; CERN) ; Stegemann, S (Leuven U.) ; Johnston, K (CERN) et al.
Terbium-152 is one of four terbium radioisotopes that together form a potential theranostic toolbox for the personalised treatment of tumours. As 152 Tb decay by positron emission it can be utilised for diagnostics by positron emission tomography. [...]
2023 - 16 p.
- Published in : Appl. Radiat. Isot. 202 (2023) 111044
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An innovative Superconducting Recoil Separator for HIE-ISOLDE
/ Martel, I (Huelva U.) ; Acosta, L (Mexico U.) ; Aguado, J L (Huelva U.) ; Assie, M (IJCLab, Orsay) ; Al-Aqeel, M A M (Liverpool U. ; Bucharest, IFIN-HH) ; Ballarino, A (CERN) ; Barna, D (Wigner RCP, Budapest) ; Berjillos, R (Huelva U.) ; Bonora, M (CERN) ; Bontoiu, C (Liverpool U.) et al.
The ISOLDE Scientific Infrastructure at CERN offers a unique range of post-accelerated radioactive beams. The scientific program can be improved with the “Isolde Superconducting Recoil Separator” (ISRS), an innovative spectrometer able to deliver unprecedented (A, Z) resolution. [...]
2023 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 541 (2023) 176-179
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In : 19th International Conference on Electromagnetic Isotope Separators and Related Topics (EMIS 2022), Daejeon, Korea, 3 - 7 Oct 2022, pp.176-179
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Anisotropy of the Electric Field Gradient in Two-Dimensional α-MoO$_3$ Investigated by $^{57}$Mn($^{57}$Fe) Emission Mössbauer Spectroscopy
/ Schell, Juliana (CERN ; Duisburg-Essen U.) ; Zyabkin, Dmitry (Ilmenau Tech. U.) ; Bharuth-Ram, Krish (KwaZulu Natal U.) ; Gonçalves, João N (Aveiro U.) ; Díaz-Guerra, Carlos (Madrid U.) ; Gunnlaugsson, Haraldur P (Iceland U.) ; Martín-Luengo, Aitana Tarazaga (Linz U.) ; Schaaf, Peter (Ilmenau Tech. U.) ; Bonanni, Alberta (Linz U.) ; Masenda, Hilary (Witwatersrand U. ; Philipps U. Marburg) et al.
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 in crystalline free-standing α-MoO3 samples. [...]
2022 - 13 p.
- Published in : Crystals 12 (2022) 942
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Terbium-149 for targeted alpha therapy
/ Grundler, Pascal (Paul Scherrer Institut, Villigen – ETH Zürich, Switzerland) ; Johnston, Karl (CERN, ISOLDE) ; Koester, Ulli (Institut Laue-Langevin, Grenoble, France) ; Mueller, Cristina (Paul Scherrer Institut, Villigen – ETH Zürich, Switzerland) ; Talip, Zeynap (Paul Scherrer Institut, Villigen – ETH Zürich, Switzerland) ; van der Meulen, Nick (Paul Scherrer Institut, Villigen – ETH Zürich, Switzerland)
CERN-INTC-2023-025 ; INTC-P-593-ADD-1.
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2023.
Fulltext - Original Document (INTC-P-593)
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