Recent chronological breakthroughs in materials innovation, their fabrication, and structural
designs for disparate applications have paved transformational ways to subversively …

For the development of optical temperature sensor, a series of GdTaO4 phosphors with
various Er3+‐doping concentrations (0, 1, 5, 10, 25, 35, 50 mol%) were synthesized by a …

The optical temperature sensor based on fluorescence intensity ratio (FIR) offers significant
advantages for rapid and non-contact temperature measurements. However, the application …

Abstract Trivalent erbium (Er 3+) doped trivalent ytterbium (Yb 3+) stoichiometric
upconversion (UC) phosphors YbTaO 4 (YbTaO 4: Er 3+) synthesized using the high …

The present study details the downshifting, frequency upconversion and intrinsic optical
bistability in CaSc 2 O 4: Ho 3+/Yb 3+ and upconversion in CaY 2 O 4: Ho 3+/Yb 3+ …

In this work, trivalent erbium ion-doped telluro-borate Na 2 Y 2 TeB 2 O 10 (NYTB) phosphor
was prepared by a solid-state synthesis. The structure and morphology were …

The temperature dependence of the Er 3+ green luminescence in Y 3 Ga 5 O 12 crystal
were analysed under ultraviolet and near-infrared laser excitations for optical sensing …

Along with the ongoing developments in the field of luminescence thermometry, especially
concerning ratiometric methods, opportunity presents itself to broaden the scope of their …

Photon upconversion (UC) based on self-sensitization of lanthanide-doped nanocrystals is
of great importance for biological and photonic applications. Here, we report tunable …

Near-infrared pumped up-conversion luminescent PrF 3 and YbF 3 co-doped SrF 2
ceramics were fabricated by the hot-pressing sintering technique, and the pellets were …