Two Synthetic Approaches to Ag_3.4In_3.7Sb_76.4Te_16.5 Bulk ­Samples and their Transport Properties

Abstract

Bulk samples with the chemical composition of the AIST phase-change material Ag 3.4 In 3.7 Sb 76.4 Te 16.5 were synthesized by melt spinning as well as under high-pressure conditions (12 GPa), respectively. Rietveld refinements as well as selected-area electron diffraction patterns and high-resolution transmission electron images show that both types of samples crystallize in the gray As structure type. All atoms are disordered on one Wyckoff position. The metrics of the high-pressure sample appear compressed along [001] compared to the

Nanoscale AgInTe2/Si Truncated Quasitetrahedrons for Heterostructured Photodetectors

“…As typically reported, it has been investigated as potential rewritable data-storage media among the Te-based phase-change materials , and has been utilized as an absorber layer in photovoltaic cells to improve the energy conversion efficiency. , Moreover, AgInTe 2 and its alloyed solid-state solutions and/or composites including the examples of Ag 3.4 In 3.7 Sb 76.4 Te 16.5 , etc. have been intensively investigated for thermoelectric applications in very recent years. − In addition, chalcopyrite-type nanocrystals including AgInTe 2 are also available for in vivo bioimaging and disease diagnosis as NIR-emitting markers, especially for cancer theranostics due to their low biofluid scattering along with minimal absorbance in the low-energy region. , …”