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1.
STUDY OF ELECTRONIC STATES OF THIN METAL FILMS ON HEAVY METAL SURFACES
Luka Novinec, 2018, master's thesis

Abstract: V magistrskem delu smo se osredoto£ili na pripravo in karakterizacijo heterogenih ve£plastnih tankih filmov sestavljenih iz kovin ter teºkih kovin. Za izdelavo vzorcev smo izbrali dve feromagnetni kovini, Fe in Gd, ter eno divalentno kovino iz redkih zemelj, Yb. Tanke filme smo nana²ali na kristalno povr²ino volframa W(110) ter molibdena Mo(110). V primeru Fe na povr²ini W(110) in Mo(110) ter Yb na pov²ini Mo(110) smo uspe²no dolo£ili pogoje, potrebne za nana²anje atomsko enakomernih filmov. S pomo £jo kotno odvisne fotoemisije smo preu£evali kvantna stanja v Fe in Yb filmih na Mo in W kristalih. Celotno eksperimentalno delo je potekalo na ºarkovnih linijah VUV-Photoemission in²tituta (ISM-CNR) ter BaDElPh pri sinhrotronu Elettra v Trstu.
Found in: ključnih besedah
Keywords: electronic states, thin metal films, heavy metal surfaces
Published: 04.12.2019; Views: 748; Downloads: 27
.pdf Fulltext (25,10 MB)

2.
Chemical Instability of an Interface between Silver and Bi2Se3 Topological Insulator at Room Temperature
Katja Ferfolja, Matjaž Valant, I. Mikulska, Sandra Gardonio, Mattia Fanetti, 2018, original scientific article

Abstract: Understanding an interaction at an interface between a topological insulator and a metal is of critical importance when designing electronic and spintronic devices or when such systems are used in catalysis. In this paper, we report on a chemical instability of the interface between Bi2Se3 and Ag studied by X-ray powder diffraction and electron microscopy. We present strong experimental evidence of a redox solid-state reaction occurring at the interface with kinetics that is significant already at room temperature. The reaction yields Ag2Se, AgBiSe2, and Bi. The unexpected room-temperature chemical instability of the interface should be considered for all future theoretical and applicative studies involving the interface between Bi2Se3 and Ag.
Found in: ključnih besedah
Summary of found: ...topological insulators, Ag, thin metal films, interfaces, redox reaction...
Keywords: topological insulators, Ag, thin metal films, interfaces, redox reaction
Published: 17.06.2020; Views: 293; Downloads: 0
.pdf Fulltext (3,93 MB)

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