The lead-free sodium bismuth titanate (BNT) system has been extensively investigated in
the past decade due to its multi-functional electro-active properties. Here, we present a …

Temperature monitoring plays an important role in ensuring product quality, saving energy,
promoting the development of national economy and providing basic diagnostic criteria in …

Accurate and reliable temperature measurement of many special inaccessible objects is a
challenging task. Optical temperature sensing is a promising method to achieve it. The …

Abstract The Er 3+/Yb 3+-codoped Na 0.5 Gd 0.5 MoO 4 phosphors were prepared via a
facile sol-gel method. Under 980 nm excitation, the characteristic emissions of Er 3+ ions …

Optical temperature sensors play a vital role in biomedical and therapeutic applications due
to their reliable and unique detection sensitivity. Internal self-heating in Er 3+/Yb 3+ doped …

In this work, we report a comparative study on upconversion and downshifting properties of
Ho 3+-Yb 3+ co-doped ATiO 3 (A= Ca, Ba & Sr) perovskite phosphors for the first time. The …

Ferroelectric ceramics exhibiting photochromic behavior and reversible luminescence
modulation are highly desirable for optoelectronic applications ranging from information …

It is highly significant to develop multi-mode optical anti-counterfeiting materials to efficiently
fight against counterfeit products. In this study, we chose ferroelectric K 0.5 Na 0.5 NbO 3 …

Two figures of merit are typically taken into account studying rare-earth-doped materials and
processes suitable for optical nanothermometry, namely, temperature sensing range and the …

Under 980 nm excitation, strong upconversion emissions can be observed in Er 3+/Yb 3+-
codoped Y 2 O 3 nanoparticles at both high and low temperatures. The optical temperature …