http://scitation.aip.org/ JAP: Dielectrics and Ferroelectricity http://link.aip.org/link/?JAP/111/034109/1&agg=rss Phanish Suryanarayana and Kaushik Bhattacharya<br/> Ferroelectric perovskites and polymers that are used in a variety of electronic, ultrasonic, and optical applications are often wide-band-gap semiconductors. We present a time-dependent and thermodynamically consistent theory that describes the evolution of polarization and space charges in such mat ... [J. Appl. Phys. 111, 034109 (2012)] published Mon Feb 13, 2012. http://link.aip.org/link/?JAP/111/034108/1&agg=rss Zhiguang Wang, Ravindranath Viswan, Bolin Hu, Jie-Fang Li, V. G. Harris et al.<br/> The present work shows good control of both magnetic and electric properties with electric and magnetic fields, respectively, for epitaxial CoFeO (CFO) films on Pb(Mg,Nb)O-PbTiO (PMN-PT). X-ray reciprocal space mapping revealed a transformation between a- and c-domains in the PMN-PT under electric f ... [J. Appl. Phys. 111, 034108 (2012)] published Fri Feb 10, 2012. http://link.aip.org/link/?JAP/111/034107/1&agg=rss Weiling Yan, Pengdi Han, and Zibo Jiang<br/> Superior piezoelectric 36-shear mode of [011] poled Pb(MgNb)O-PbTiO (PMN-PT) in zxt+/45 cut direction is the first practical piezoelectric 36-shear mode reported [P. Han, Piezoelectric crystal elements of shear mode and process for preparation, U.S. patent 7,908,722 B2 (2004)]. The investigation on ... [J. Appl. Phys. 111, 034107 (2012)] published Thu Feb 9, 2012. http://link.aip.org/link/?JAP/111/034106/1&agg=rss Jna. Gavalda, J. J. Carvajal, X. Mateos, M. Aguilo, and F. Diaz<br/> The influence of niobium and ytterbium doping in the electrical properties of the RbTiOPO (RTP) crystals has been analyzed along the three crystallographic axes. While Yb does not change the ionic conductivity of RTP, Nb increases it considerably. These effects are also observed for the activation e ... [J. Appl. Phys. 111, 034106 (2012)] published Tue Feb 7, 2012. http://link.aip.org/link/?JAP/111/034105/1&agg=rss Xiuzhi Li, Zujian Wang, Chao He, Xifa Long, and Zuo-Guang Ye<br/> Ternary solid solution crystals of 0.19Pb(InNb)O 0.46Pb(MgNb)O 0.35PbTiO [PIMNT(19/46/35)] with dimensions of 35 x 38 x 15 mm were grown by the top-seeded solution growth (TSSG) method. The dielectric, piezo- and ferroelectric properties of the grown crystals were characterized. The ternary piez ... [J. Appl. Phys. 111, 034105 (2012)] published Tue Feb 7, 2012. http://link.aip.org/link/?JAP/111/034104/1&agg=rss Fang Hong, Zhenxiang Cheng, Shujun Zhang, and Xiaolin Wang<br/> The dielectric constant and loss of perovskite DyMnFeO samples show strong dispersion in various frequencies, which is indicative of relaxation. The activation energies were obtained through Arrhenius law fitting and range from 0.213 eV to 0.385 eV. The Fe content dependence of the characteristic fr ... [J. Appl. Phys. 111, 034104 (2012)] published Fri Feb 3, 2012. http://link.aip.org/link/?JAP/111/034103/1&agg=rss Z. X. Cheng, H. Shen, J. Y. Xu, P. Liu, S. J. Zhang et al.<br/> YFeO single crystal displays two relaxor-like dielectric relaxations, one at low temperature (170 300 K) and one at high temperature (370 520 K), which are attributed to the activation of electrons and oxygen vacancies, respectively. Above the temperature at which electrons are activated, the samp ... [J. Appl. Phys. 111, 034103 (2012)] published Fri Feb 3, 2012. http://link.aip.org/link/?JAP/111/034102/1&agg=rss Choon Chiang Foo, Shengqiang Cai, Soo Jin Adrian Koh, Siegfried Bauer, and Zhigang Suo<br/> The dynamic performance of dielectric elastomer transducers and their capability of electromechanical energy conversion are affected by dissipative processes, such as viscoelasticity, dielectric relaxation, and current leakage. This paper describes a method to construct a model of dissipative dielec ... [J. Appl. Phys. 111, 034102 (2012)] published Fri Feb 3, 2012. http://link.aip.org/link/?JAP/111/034101/1&agg=rss Kazumasa Kawase, Akinobu Teramoto, Hiroshi Umeda, Tomoyuki Suwa, Yasushi Uehara et al.<br/> Silicon dioxide (SiO) films formed by chemical vapor deposition (CVD) were treated with oxygen radical oxidation using Ar/O plasma excited by microwave. The mass density depth profiles, carrier trap densities, and current-voltage characteristics of the radical-oxidized CVD-SiO films were investigate ... [J. Appl. Phys. 111, 034101 (2012)] published Wed Feb 1, 2012. http://link.aip.org/link/?JAP/111/024111/1&agg=rss Zhenlian An, Mingjun Mao, Jun Cang, Yewen Zhang, and Feihu Zheng<br/> Cellular polypropylene (PP) films were fluorinated under a high pressure of 13 bar of the F/N mixture and were post-treated by nitrous oxide and isothermal crystallization. The fluorinated and post-treated PP films after being expanded and corona charged exhibit a significantly improved piezoelectri ... [J. Appl. Phys. 111, 024111 (2012)] published Tue Jan 31, 2012. http://link.aip.org/link/?JAP/111/024110/1&agg=rss Chang Won Ahn, Hae Jin Seog, Aman Ullah, Sun Young Lee, Jin Won Kim et al.<br/> Lead-free (KNaLi)(NbMnTa)O (abbreviated KNL-NMT-x, x = 0 ~ 0.20) thin films were prepared using a chemical solution deposition method, and the effects of Ta content on the structural, dielectric, ferroelectric, and piezoelectric properties were investigated. X ray diffraction results indicate that t ... [J. Appl. Phys. 111, 024110 (2012)] published Mon Jan 30, 2012. http://link.aip.org/link/?JAP/111/024109/1&agg=rss J. C. Valadez, R. Sahul, E. Alberta, W. Hackenberger, and C. S. Lynch<br/> Niobium doped lead zirconate titanate (95/5 NbPZT) undergoes a hydrostatic pressure induced ferroelectric rhombohedral to antiferroelectric orthorhombic phase transformation (FE-AFE). This work reports on the experimental characterization of the large field dielectric response to unipolar electric f ... [J. Appl. Phys. 111, 024109 (2012)] published Fri Jan 27, 2012. http://link.aip.org/link/?JAP/111/024108/1&agg=rss Maciej Wojta&#x015B; and Michael J. Reece<br/> The switching behavior of the organic, order-disorder ferroelectric [HCNH][BiBr] has been studied. It exhibits a complex behavior that arises from the different ferroelectric domain structures that dominate in different time scales. An analysis of the dynamics of the switching of [HCNH][BiBr] using ... [J. Appl. Phys. 111, 024108 (2012)] published Thu Jan 26, 2012. http://link.aip.org/link/?JAP/111/024107/1&agg=rss H. U. Khan, I. Sterianou, S. Miao, J. Pokorny, and I. M. Reaney<br/> Ceramics in the solid solution, LiAgNbO (LAN) with 0 <= x <= 0.20, have been synthesized by the mixed oxide method. X-ray diffraction (XRD) revealed that only compositions with x <= 0.05 were single phase which were indexed according to Pbcm symmetry with a unit cell, [square root of]2a x [square ... [J. Appl. Phys. 111, 024107 (2012)] published Thu Jan 26, 2012. http://link.aip.org/link/?JAP/111/024106/1&agg=rss Zhanfang Li, Hao Wu, and Wenwu Cao<br/> Charged domain walls may have lower energy than charge neutral walls when large amount of aliovalent doping are present or when there are substantial amount of charged defects in the system. Charged domain walls can produce much larger contribution to functional properties than charge neutral domain ... [J. Appl. Phys. 111, 024106 (2012)] published Thu Jan 26, 2012. http://link.aip.org/link/?JAP/111/024105/1&agg=rss Jie E. Zhou, Tian-Le Cheng, and Yu U. Wang<br/> Mechanisms of nucleation and growth of domains during ferroelectric phase transformation are investigated by using theoretical and computational approaches. It is shown that ferroelectric phase transformation exhibits some peculiar behaviors due to strong long-range dipole-dipole-like interactions i ... [J. Appl. Phys. 111, 024105 (2012)] published Wed Jan 25, 2012. http://link.aip.org/link/?JAP/111/024104/1&agg=rss Haibo Yang, Qingqing Ke, Huayan Si, and Jingsheng Chen<br/> 0.7BiFeO-0.3BaTiO-YFeO (BFO-BTO-YIG) composites were synthesized via a modified solid-sate route. The phase composition, microstructure, electrical, and magnetic properties of the composites were investigated. The results show that the BFO-BTO and YIG phases can coexist in the composites without any ... [J. Appl. Phys. 111, 024104 (2012)] published Wed Jan 25, 2012. http://link.aip.org/link/?JAP/111/024103/1&agg=rss Dongdong Jiang, Jinmei Du, Yan Gu, and Yujun Feng<br/> Kinetics of the ferroelectric (FE) to antiferroelectric (AFE) phase transformation under shock wave compression is critical to design the shock-activated power supply and can be characterized in terms of both a transition rate and a limiting degree of transition. By measuring the depoling currents u ... [J. Appl. Phys. 111, 024103 (2012)] published Tue Jan 24, 2012. http://link.aip.org/link/?JAP/111/024101/1&agg=rss W. H. Liu, K. L. Pey, N. Raghavan, X. Wu, and M. Bosman<br/> We report a triggering voltage V for observing gate leakage current (I) random telegraph noise (RTN) in the post-breakdown regime of HfLaO dielectric metal gate stacks. V, the onset voltage to observe RTN in degraded dielectrics, is highly dependent on breakdown hardness, which is controlled by the ... [J. Appl. Phys. 111, 024101 (2012)] published Tue Jan 17, 2012. http://link.aip.org/link/?JAP/111/024102/1&agg=rss J. Krishna Murthy and A. Venimadhav<br/> We have investigated magnetic, dielectric and magnetodielectric properties of LaCoMnO nanoparticles prepared by sol-gel method. Magnetization measurements revealed two distinct ferromagnetic transitions at 218 K and 135 K that can be assigned to ordered and disordered magnetic phases of the LaCoMnO ... [J. Appl. Phys. 111, 024102 (2012)] published Tue Jan 17, 2012. http://link.aip.org/link/?JAP/111/014114/1&agg=rss A. N. Morozovska, E. A. Eliseev, and S. V. Kalinin<br/> Electrochemical strains are a ubiquitous feature of solid state ionic devices ranging from ion batteries and fuel cells to electroresistive and memristive memories. Recently, we proposed a scanning probe microscopy (SPM) based approach, referred as electrochemical strain microscopy (ESM), for probin ... [J. Appl. Phys. 111, 014114 (2012)] published Fri Jan 13, 2012.