Results 41 to 50 of about 3,350 (215)
The effect of sintering condition on structure, microstructure, and ferroelectric properties of (K0.44Na0.52Li0.04) (Nb0.86Ta0.10Sb0.04)- O3 (KNL–NTS) has been investigated.
J. A. Cortés +6 more
doaj +1 more source
Composition and temperature dependence of structure and piezoelectricity in (1−x)(K1−yNay)NbO3-x(Bi1/2Na1/2)ZrO3 lead-free ceramics [PDF]
Lead-free piezoceramics with the composition (1-x)(K1-yNay)NbO3-x(Bi1/2Na1/2)ZrO3 (KNyN-xBNZ) were prepared using a conventional solid state route. X ray diffraction, Raman spectroscopy and dielectric measurements as a function of temperature indicated ...
Feteira, Antonio +7 more
core +1 more source
Aging solitons in photorefractive dipolar glasses [PDF]
We study experimentally the aging of optical spatial solitons in a dipolar glass hosted by a nanodisordered sample of photorefractive potassium-sodium-tantalate-niobate (KNTN).
A. J. Agranat +5 more
core +1 more source
We report investigation of structural phase transitions in technologically important material sodium niobate as a function of temperature on heating over 300-1075 K.
D. Vanderbilt +8 more
core +1 more source
Sintering of Lead-Free Piezoelectric Sodium Potassium Niobate Ceramics
The potassium sodium niobate, K0.5Na0.5NbO3, solid solution (KNN) is considered as one of the most promising, environment-friendly, lead-free candidates to replace highly efficient, lead-based piezoelectrics. Since the first reports of KNN, it has been recognized that obtaining phase-pure materials with a high density and a uniform, fine-grained ...
Barbara Malič +6 more
openaire +2 more sources
Progress on the doping and phase boundary design of potassium–sodium niobate lead-free ceramics [PDF]
Potassium–sodium niobate (K,Na)NbO3/(KNN) lead-free ceramics have drawn vast amount of attention as one of the effective alternatives to lead-based ones. In recent years, the author’s group concentrated their work on KNN-based ceramics.
Jie Xing +4 more
doaj +1 more source
Suppression of Antiferroelectric State in NaNbO3 at High Pressure from In Situ Neutron Diffraction
We report direct experimental evidence of antiferroelectric to paraelectric phase transition under pressure in NaNbO3 using neutron diffraction at room temperature.
Chaplot, S. L. +4 more
core +1 more source
We study and demonstrate the frequency conversion of UV radiation, resonant with 369.5 nm transition in Yb+ ions to the C-band wavelength 1580.3 nm and vice-versa using a reverse proton-exchanged waveguide in periodically poled lithium niobate.
Boes, Andreas +6 more
core +1 more source
Relaxor-to-ferroelectric crossover and disruption of polar order in "empty" tetragonal tungsten bronzes [PDF]
JG would like to thank the EPSRC for provision of a studentship via the doctoral training grant (EP/K503162/1). The research data (and/or materials) supporting this publication can be accessed at [http://dx.doi.org/10.17630/a7a9bc13-b5cb-485d-914a ...
Gardner, Jonathan +5 more
core +3 more sources
Polarization and acoustic properties of barium-modified lead-free potassium–sodium niobate ceramics; pp. 372–376 [PDF]
Results of polarization and polarization switching in samples prepared by solid phase synthesis of the (1-Ñ )(K0.5Na0.5)(Nb0.93Sb0.07)O3âxBaTiO3 + 0.5mol%MnO2 system at x = 0.01, 0.02, and 0.04 (KNNS7âxBT) studied over a wide range of ...
Karlis Bormanis +6 more
doaj +1 more source

