Alok Ranjan's research while affiliated with Singapore University of Technology and Design and other places

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Publications (2)

Figure 1a): Measured and modelled XRR scans for Ag/Sb2S3 in the...
Figure 2: The modelled diffusion profile of Ag/Sb2S3 annealed at 250 C. 
Figure 3 a): Percentage change in average reflectivity of the visible...
Figure 5: (a) Normalized X-ray absorption spectrum around the Ag K-α...
Electric field effects in chalcogenides
Article
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  • Jun 2018
The objective of this paper is to demonstrate that Ag readily diffuses into Sb 2 S 3 and that electric fields can control the diffusion. Ag diffusion influences the crystallization temperature and electrical properties of Sb 2 S 3 . We studied the interface between Ag and Sb 2 S 3 using X-ray reflectivity and show that the Ag cations can be control...
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Figure 3. Fractional factorial design analysis of highly (0 0 l)...
Table 4 . Predicted Growth Conditions for Different Q n Values 
Figure 5. (a) XRD patterns of the (0 0 l) texture Sb 2 Te 3 crystal...
Figure 6. Highly (0 0 l) textured Sb 2 Te 3 films were grown at...
+1 Figure 7. (a) XRD patterns of the Sb 2 Te 3 template and superlattice...
Sb 2 Te 3 and Its Superlattices: Optimization by Statistical Design
Article
Full-text available
  • Apr 2018
The objective of this work is to demonstrate the usefulness of fractional factorial design for optimising the crystal quality of chalcogenide van der Waals (vdW) crystals. We statistically analyse the growth parameters of highly c-axis oriented Sb2Te3 crystals and Sb2Te3-GeTe phase change vdW heterostructure superlattices. The statistical significa...
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Citations

... Crystallographic orientation optimization has attracted interest in polycrystalline PCM thin films. As suggested by Behera et al. [7], transport properties are related to texture intensity. PCM thin film with adjustable texture is desirable to explore potential opto-electrical properties. ...
Reference: Study on Texture Formation of Sb2Te Thin Films for Phase Change Memory Applications
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