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1.
Local structure of Mn-doped ferromagnetic semiconductors / De Lemos Lima, Tiago Abel
For decades, ferromagnetic semiconductors have captured the scientific community’s interest, harnessing in a single material the carrier’s charge as in a semiconductor and the spin as in a ferromagnet [...]
CERN-THESIS-2019-179 - 236 p.

Full text
2.
Local Structure and Magnetism of (Ga,Mn)As / De Lemos Lima, Tiago Abel
Throughout the years, dilute magnetic semiconductors (DMS) have emerged as promising materials for semiconductor-based spintronics [...]
CERN-THESIS-2014-387 - 112 p.

Fulltext
3.
Identification of the interstitial Mn site in ferromagnetic (Ga,Mn)As / EC-SLI Collaboration
We determined the lattice location of Mn in ferromagnetic (Ga,Mn)As using the electron emission channeling technique. We show that interstitial Mn occupies the tetrahedral site with As nearest neighbors (TAs) both before and after thermal annealing at 200 °C, whereas the occupancy of the tetrahedral site with Ga nearest neighbors (TGa) is negligible. [...]
CERN-OPEN-2017-006.- Leuven, Belgium : Leuven U., 2015 - 5 p. - Published in : Appl. Phys. Lett. 106 (2015) 012406 Preprint: PDF;
4.
Lattice location of Mg in GaN: a fresh look at doping limitations / EC-SLI Collaboration
Radioactive 27Mg (t1/2=9.5 min) was implanted into GaN of different doping types at CERN’s ISOLDE facility and its lattice site determined via beta− emission channeling. Following implantations between room temperature and 800°C, the majority of 27Mg occupies the substitutional Ga sites, however, below 350°C significant fractions were also found on interstitial positions ~0.6 Å from ideal octahedral sites. [...]
CERN-OPEN-2017-005.- Lisboa, Portugal : Lisbon, IST, 2017 - 5 p. - Published in : Phys. Rev. Lett. 118 (2017) 095501 Preprint: PDF;
5.
Drawing the geometry of 3d transition metal-boron pairs in silicon from electron emission channeling experiments / Silva, Daniel (Porto U.) ; Wahl, Ulrich (Lisbon, IST) ; Martins Correia, Joao (Lisbon, IST) ; Augustyns, Valerie (Leuven U.) ; De Lemos Lima, Tiago Abel (Leuven U.) ; Granadeiro Costa, Angelo Rafael (Lisbon, IST) ; David Bosne, Eric (Lisbon, IST) ; Castro Ribeiro Da Silva, Manuel (Lisbon U.) ; Esteves De Araujo, Araujo Joao Pedro (Porto U.) ; Da Costa Pereira, Lino Miguel (Leuven U.) /EC-SLI Collaboration
Although the formation of transition metal-boron pairs is currently well established in silicon processing, the geometry of these complexes is still not completely understood. We investigated the lattice location of the transition metals manganese, iron, cobalt and nickel in n- and p+-type silicon by means of electron emission channeling. [...]
CERN-OPEN-2017-004.- Leuven, Belgium : Leuven U., 2016 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 371 (2016) 59-62 Fulltext: PDF;

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