Silver photodiffusion in amorphous GexSe100−x

Crystallization effects in annealed thin Ge–Se films photodiffused with Ag

“…One system that has attracted significant community attention in the research is Ag-diffused Ge-Se. The kinetics of Ag photodiffusion in Ge-Se has been shown to be dependent on the hosting backbone [2]. The form of the resulting structure has been proposed [3].…”

Morphology and structural studies of Ag photo-diffused GeySe1−y thin films prepared by RF-sputtering

“…Host layer Initial Ag thickness Chemical etching Ag (x) G e ( y) S e ( 1 Ày) [11], who found that the diffusion kinetics and the total amount of diffused Ag in Ge-Se glasses were very closely related to the composition of the hosting backbone. The compositions of the 3 different Ag x (Ge y Se 1Ày ) 100Àx thin films were the following: These results show that the amount of silver that could be introduced in the host layer diminished with the increase in germanium in the host layer.…”

“…have been used quite extensively in order to analyze the structural and thermal stability, the photosensitivity, etc. [7][8][9][10][11][12][13][14].…”

“…Many deposition techniques were used to prepare Ge y Se 1Ày thin films: for example thermal evaporation [8][9][10], flash evaporation [7,11], RF-sputtering [12] or plasma-enhanced chemical vapor deposition [7]. The silver sensitization of the layers was obtained by immersion in an aqueous solution containing Ag (for example, KAg(CN) 2 , AgNO 3 ) [8,11,12] or by deposition of a silver layer on the chalcogenide film by evaporation [7,9,10]. Many different techniques (electron and (reflection) X-ray diffraction, Small Angle X-ray scattering (SAXS), Extended X-ray Absorption Fine Structure (EXAFS), X-ray photoelectron spectroscopy (XPS), Rutherford backscattering spectroscopy (RBS), Raman spectroscopy, scanning electron microscopy (SEM), etc.)…”

Structural Study of Ag–Ge–Se Superionic Glass

“…Kawasaki et al 3) reported a large jump in ionic conductivity at the composition around x = 0.3 for Ag x (GeSe 3 ) 1-x , which may support a percolation threshold of the conducting path behavior in the glassy network. 4,5) Recently Naoaki Kuwata et al 6) observed, by scanning electron microscopy, micro phase-separation in Ag x (GeSe 3 ) 1-x system at room temperature between GeSe 3 almost not including Ag ions and Ag x (GeSe 3 ) 1-x with Ag-rich composition of x ~ 0.565.…”