Observation of dielectric dispersion of BaTiO3 ceramics in the gigahertz frequency region by scattering parameter measurement using a pair of surface electrodes
Related Articles
- Observation of high dielectric constants in x(Pb(Zn1/3Nb2/3)O3–(0.2-x)Pb(Ni1/3Nb2/3)O3–0.8Pb(Zr1/2Ti1/2)O3 ternary solid solutions. Nabunmee, Sucheewan; Rujijanagul, Gobwute; Vittayakorn, Naratip; Cann, David P. // Journal of Applied Physics;Nov2007, Vol. 102 Issue 9, p094108
In the present work, we demonstrate the results of combining two excellent ferroelectric materials at their morphotropic phase boundary compositions, i.e., 0.2(Pb(Zn1/3Nb2/3)O3–0.8Pb(Zr1/2Ti1/2)O3 (0.2PZN-0.8PZT) and 0.2Pb(Ni1/3Nb2/3)O3–0.8Pb(Zr1/2Ti1/2)O3 (0.2PNN-0.8PZT) to form a...
- Experimental and analytical modeling of resonant permittivity and permeability in ferroelectric-ferrite composites in microwave range. Ciomaga, Cristina E.; Balmus, Sorin B.; Dumitru, Ioan; Mitoseriu, Liliana // Journal of Applied Physics;Jun2012, Vol. 111 Issue 12, p124114
The ferroelectric-magnetic composite materials are very suitable for designing and producing microwave devices and components, due to their dielectric and magnetic properties. For microwave antennas, sensors, resonators, oscillators, filters, phase shifters, attenuators, and amplifiers, the...
- Microstructural influence on the broadband dielectric properties of BaTiO3-Ni0.5Zn0.5Fe2O4 core-shell composites: Experiment and modeling. Sakanas, A.; Grigalaitis, R.; Banys, J.; Curecheriu, L.; Mitoseriu, L.; Buscaglia, V. // Journal of Applied Physics;11/7/2015, Vol. 118 Issue 17, p174106-1
Dielectric measurements of core-shell BaTiO3-Ni0.5Zn0.5Fe2O4 ferroelectric-ferrimagnetic composites, sintered at two temperatures (1050 °C and 1150 °C), were performed in a broadband frequency range of 10Hz-1 THz at various temperatures of 100-500 K. The comparison of temperature...
- Constant-phase-element (CPE) modeling of ferroelectric random-access memory lead zirconate-titanate (PZT) capacitors. Morrison, Finlay D.; Jung, Dong Jin; Scott, James F. // Journal of Applied Physics;5/1/2007, Vol. 101 Issue 9, p094112
Several commercial high density ferroelectric random access memory (FeRAM) devices utilize stacks of submicron lead zirconate-titanate (PZT) capacitors. The low-field electrical characteristics of these capacitors display a specific frequency dependence which is best represented by a constant...
- Evolution of the electromagnetic modes of a single layer of dielectric spheres with compactness. Andueza, A.; Echeverría, R.; Sevilla, J. // Journal of Applied Physics;Aug2008, Vol. 104 Issue 4, p043103
Although lattices of microspheres are considered very interesting forms of photonic crystals both from the fundamental and applied points of view, some fundamental aspects of their behavior are not well understood. Here, we present an experimental study of the frequency variations in the...
- An ultra-wideband dielectric material characterization method using grounded coplanar waveguide and genetic algorithm optimization. Hadjloum, Massinissa; El Gibari, Mohammed; Hongwu Li; Daryoush, Afshin S. // Applied Physics Letters;2015, Vol. 107 Issue 14, p1
An ultra-wideband complex permittivity extraction method is reported here using numerical fitting of scattering parameters to measured results. A grounded coplanar waveguide transmission line is realized on an unknown dielectric material, whose dielectric constant and loss tangent are extracted...
- Microwave Losses in Electrodes of Distributed and Lumped Ferroelectric-Based Elements. Vendik, O. G.; Nikol�skii, M. A.; Gashinova, M. S. // Technical Physics Letters;Feb2003, Vol. 29 Issue 2, p130
The microwave losses in electrodes of a ferroelectric-based transmission line and a lumped ferroelectric-based element have been theoretically analyzed. The results of calculations of the effective loss tangent for the transmission line are confirmed by a two-dimensional electrodynamic model...
- Novel high temperature multilayer electrode-barrier structure for high-density ferroelectric.... Bhatt, H.D.; Desu, S.B. // Applied Physics Letters;8/4/1997, Vol. 71 Issue 5, p719
Presents a platinum (Pt)-rhobium (Rh)-O[sub x]/Pt-Rh/Pth-O[sub x] electrode-barrier structure to be used as an electrode and diffusion barrier for ferroelectric capacitors. Use of an in situ reactive radio frequency sputtering process; Microstructure and effectiveness of the materials; Fatigue...
- Field-cooled static nonlinear response of relaxor ferroelectrics. Kutnjak, Z.; Pirc, R.; Blinc, R. // Applied Physics Letters;4/29/2002, Vol. 80 Issue 17, p3162
The third-order static field-cooled nonlinear dielectric permittivity in relaxor ferroelectric PbMg[sub 1/3]Nb[sub 2/3]O[sub 3] has been measured as a function of temperature. It is shown that the observed behavior can be explained by a mechanism of nonlinear response within the framework of the...