Positron annihilation exploration of voids in zinc zirconium borate glass ceramics entrenched with ZnZrO3 perovskite crystal phases
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2017.11.012
Abstract: Abstract Origin of atomic-deficient free-volume structure in ZnO–ZrO2–B2O3 glass ceramic versus ZrO2 concentration was explored by positron annihilation lifetime spectroscopy (PAL) technique. XRD and SEM studies, on the titled samples indicated that the samples consist… read more here.
Keywords: annihilation; positron annihilation; znzro3 perovskite; crystal phases ... See more keywords
Highly frustrated liquid crystal phases in optically active dimers: synthesis and rich phase transitional behavior
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Chemistry"
DOI: 10.1039/c8nj03520b
Abstract: New cholesterol-based Schiff base dimers exhibit a rich mesomorphism. read more here.
Keywords: frustrated liquid; highly frustrated; crystal phases; liquid crystal ... See more keywords
Direct observation of liquid crystal phases under nanoconfinement: A grazing incidence X-ray diffraction study
Sign Up to like & getrecommendations! Published in 2017 at "Liquid Crystals"
DOI: 10.1080/02678292.2016.1234074
Abstract: ABSTRACT We have controlled the molecular orientation of nematic and smectic A liquid crystal (LC) phases in a porous anodic aluminium oxide (AAO) film, in which the pore diameter was varied from 20 nm to… read more here.
Keywords: liquid; orientation; direct observation; grazing incidence ... See more keywords
Dynamical Transitions and Critical Behavior between Discrete Time Crystal Phases.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.126.020602
Abstract: In equilibrium physics, spontaneous symmetry breaking and elementary excitation are two concepts closely related with each other: the symmetry and its spontaneous breaking not only control the dynamics and spectrum of elementary excitations, but also… read more here.
Keywords: discrete time; time; time crystal; physics ... See more keywords