By Keiji Tanaka
Amorphous Chalcogenide Semiconductors and comparable Materials describes advancements within the technological know-how and know-how of this advancing category of fabrics. This booklet deals an up to date remedy of chalcogenide glasses, amorphous semiconductors, and photonics glasses from simple rules via to purposes, whereas delivering the reader with solid-state sciences for realizing the fabric estate and expertise. Chalcogenide glasses have a couple of fascinating and priceless houses, that have been already exploited within the commercialization of recent units. The ebook describes them at size, whereas it additionally:
- Discusses technological functions corresponding to nonlinear optical fibers, DVDs, and excessive answer mammographic x-ray photo detectors
- Includes insurance of noncrystalline semiconductors with glassy semiconductors
Amorphous or glassy chalcogenides are a type of noncrystalline and thermodynamically quasi-stable solids. Such fabrics own completely different homes than crystalline solids, and as a result warrant designated dialogue and outline, which Amorphous Chalcogenide Semiconductors and comparable Materials provides.
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Additional resources for Amorphous Chalcogenide Semiconductors and Related Materials
First crystallization of arsenic trisulfide from bulk glass: The synthesis of orpiment. Mater. Lett. : Photoinduced Ag migration in Ag-As-S glasses. J. Appl. Phys. : The Physics of Amorphous Solids. : How many non-crystalline solids can be made from all the elements of the periodic table? J. Non-Cryst. : EXAFS study of mechanical-milling-induced solid-state amorphization of Se. J. Non-Cryst. : Gex S1−x glasses. II. Synthesis conditions and defect formation. J. Non-Cryst. C. ): Selenium. Van Nostrand Reinhold Company, New York, NY (1974) Chapter 2 Structure Abstract Atomic and microscopic structures of chalcogenide glasses are discussed from theoretical and experimental points of view.
1992, Vaccari et al. 2009). In EXAFS experiments, x-ray transmittance (or absorbance) of a sample of interest is measured as a function of x-ray energy E (= 2π c /λ). As illustrated in Fig. , at the K edge EK , and 36 2 Structure Fig. 10 A schematic of EXAFS (left) and its emerging mechanism (right) small intensity modulation “EXAFS” χi (E) appears just above this threshold energy at around E − EK ≤ 500 eV. Why does such an oscillation appear? 2 nm) and m is the electron mass. In Fig. 1 By scanning the x-ray energy E, the interference varies, and accordingly, the x-ray transmission spectrum has information of the surrounding atoms (atomic species, distance, number).
Studies on ternary chalcogenide are relatively limited, except As-S As-Se As-Te Ge-S Ge-Se Ge-Te Fig. %] 100 18 1 Introduction Fig. 18 An oxy-chalcogenide system, xGeO2 –(100–x)GeS2 (Terakado and Tanaka 2008, © Elsevier, reprinted with permission). 4). Second, ionic chalcogenides such as Ga–La–S have been studied as host glasses for doping rare-earth atoms such as Er and Pr. 2). 7). Ionic bonds such as –S– Ag+ seem to provide semifree sites for Ag+ . We also note here that all the ionic and ion-conducting glasses cannot be binary.