Polarization Relaxation Induced by Depolarization Field in Ultrathin

Oct 14, 2005 - Figure 2(b) shows that the slope of the power-law de- cay becomes .... net P decrease significantly, resulting in retention failures fo...

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Time-dependent polarization relaxation behaviors induced by a depolarization field Ed were inves- tigated on high-quality ultrathin ... pensated by free charge carriers in the conducting elec- trodes. In real conducting electrodes, ..... D. J. Kim, Y

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Jan 6, 2012 - that an in-plane current can also switch the uniform mag- netization of an ultrathin ... the Slonczewski STT [3] in magnetic multilayers, we call ..... the DW center. Note also that large enhancement of. |vDW| does not occur [Fig. 3(c)]

It can be seen from Table I that when fabricated at elevated temperature, the PZT-4 ceramics show little change in 36. Q but the material become stiffer than that fabricated at room temperature. In comparison, both parameters of PZT-5H are not sensit

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45. Zxt ± ° direction, namely, the four triangular prisms (dotted lines) are cut and a tetragonal prism (red line) is obtained; (c) the photo of a. 45. Zxt ± ° cut PZT sample; (d) top view of Fig. 1(b). The piezoelectric coefficient 36 d in the c

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deformation in the OSH-PT and omnidirectional SH waves in the hosting plate. Both finite element ... Experimental testing shows that the OSH-PT exhibits good omnidirectional properties, on matter it is used as a ... monitoring (SHM). a) Author to who

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Mar 18, 2015 - on top of the center of the honeycomb net of the second layer. Consequently .... We also thank Computer Center IITK for providing HPC facility.

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It was shown that polarization could be defined only for finite slabs with specified boundary condition. In the case of nitrides in wurtzite structure two different polarizations occurred which differ by magnitude .... pseudopotentials for Ga, Al, In

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1International Center for Quantum Materials, School of Physics, Peking University, Beijing ... 4Department of Materials Science & Engineering, University of Utah ... [email protected]; [email protected] Abstract. The discovery of high-tempe

magnetoelectric coupling factor leading to a magnetic field driven gigantic change in the polarization near ... polarization cannot be reversed completely by changing the polarity of a poling electric field. (E=±14kV/cm). ... value of the coefficien

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Oct 9, 2006 - netic and electric (dipolar) degrees of freedom in a class of materials known as “multiferroics”1–7. ..... 3: (color online) The calculated polarization Px and Py from exact diagonalization of the full M-O-M cluster .... Research

understood yet, it has been suggested that the induced state might be due to the develop- ment of FM clusters in the CO and AFM matrix after the application of a magnetic field. This implies that the ... the Mn sites, were grown by a floating zone me

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