Luminescence effect in amorphous PLT

Luminescence effect in amorphous PLT

Amorphous and crystalline powder of PLT phase was synthesized by using the Pechini method. Infrared (FTIR) analysis of the polymeric resin shows intense bands of organic materials from 250 to 1620 cm−1. X-ray diffraction (XRD) and Raman spectra of calcined powder at different temperatures show amorphous phase at 450 ◦C/3 h, semi-crystalline phase at 550 ◦C/3 h and a crystalline phase at 800 ◦C/...

Luminescence from amorphous silicon nanostructures.

We present a model of size-dependent luminescence from a-Si:H and show that a blueshift of the luminescence energy and a general increase in luminescence quantum efficiency are predicted as structure size decreases. In contrast to bulk a-Si:H structures, highly confined a-Si:H exhibits visible luminescence peak energies and high radiative quantum efficiency at room temperature, which is insensi...

Luminescence quenching in erbiumdoped hydrogenated amorphous silicon

Randomized Testing in PLT Redex

This paper presents new support for randomized testing in PLT Redex, a domain-specific language for formalizing operational semantics. In keeping with the overall spirit of Redex, the testing support is as lightweight as possible—Redex programmers simply write down predicates that correspond to facts about their calculus and the tool randomly generates program expressions in an attempt to falsi...

Antiviral immune responses in the absence of organized lymphoid T cell zones in plt/plt mice.

The paucity of lymph node (LN) T cells (plt) mutation in mice results in strongly reduced T cell numbers in LNs and homing defects of both dendritic cells (DCs) and naive T cells. In this study, we investigated the functional significance of the plt phenotype for the generation of antiviral immune responses against cytopathic and noncytopathic viruses. We found that DC-CD8(+) T cell contacts an...