Piezoelectric and ferroelectric materials have shown great potential for control of the optical
process in emerging materials. There are three ways for them to impact on the optical …

Electrically tunable dielectric materials have potential applications as various microwave
devices, such as tunable oscillators, phase shifters and varactors. High dielectric tunability …

Feature size is a natural determinant of material properties. Its design offers the
technological perspectives for material improvement. Grain size, crystallite size, domain …

A review of the properties of ferroelectric materials that are relevant to microwave tunable
devices is presented: we discuss the theory of dielectric response of tunable bulk materials …

The miniaturization and integration of frequency-agile microwave circuits—relevant to
electronically tunable filters, antennas, resonators and phase shifters—with microelectronics …

Microwave devices based on tunable materials are of vigorous current interest. Typical
applications include phase shifters, antenna beam steering, filters, voltage controlled …

Recent progress in the development of barium strontium titanate thin film varactors for room
temperature tunable microwave devices applications is reviewed, with emphasis on efforts …

Raman spectroscopy was used to demonstrate that the lattice dynamics of SrTiO3 (STO)
nanoparticles strongly depends on their microstructure, which is in turn determined by the …

The first five members of the Sr n+ 1 Ti n O 3n+ 1 Ruddlesden–Popper homologous series,
ie, Sr 2 TiO 4, Sr 3 Ti 2 O 7, Sr 4 Ti 3 O 10, Sr 5 Ti 4 O 13, and Sr 6 Ti 5 O 16, have been …

(Ba 0.90 Ca 0.10)(Zr 0.25 Ti 0.75) O 3 (BCZT) relaxor ferroelectric ceramics with grain sizes
of 0.85, 2.5, 15, and 30 μ m were prepared from powders synthesized using a sol-gel …