Measuring ferroelectric polarization component parallel to the surface by scanning nonlinear dielectric microscopy

2002 ◽  
Vol 80 (12) ◽  
pp. 2159-2161 ◽  
Author(s):  
Hiroyuki Odagawa ◽  
Yasuo Cho
Keyword(s):  
Ferroelectric Polarization ◽  
Polarization Component ◽  
Nonlinear Dielectric ◽  
Component Parallel

Measurement of Three Dimensional Polarization Direction in Ferroelectric Thin Films Using Scanning Nonlinear Dielectric Microscopy with Rotating Electric Field

2002 ◽  
Vol 748 ◽  
Author(s):  
Hiroyuki Odagawa ◽  
Yasuo Cho
Keyword(s):  
Thin Films ◽  
Dielectric Constant ◽  
Electric Field ◽  
Three Dimensional ◽  
Ferroelectric Thin Films ◽  
Experimental Result ◽  
Polarization Direction ◽  
Polarization Component ◽  
Nonlinear Dielectric ◽  
Component Parallel

ABSTRACTA scanning nonlinear dielectric microscope (SNDM) probe, called theε311 -type probe, and a system to measure the ferroelectric polarization component parallel to the surface using rotating electric field have been developed. This is achieved by measuring the ferroelectric material's nonlinear dielectric constant ε311 instead of ε333, which is measured in conventional SNDM. Experimental result shows that we can successfully determine polarization component parallel to the surface. The SNDM system can measure polarization at any angle from the surface normal which is often of interest.

Basic Study on High-density Ferroelectric Data Storage Using Scanning Nonlinear Dielectric Microscopy

2002 ◽  
Vol 748 ◽  
Author(s):  
Yoshiomi Hiranaga ◽  
Kenjiro Fujimoto ◽  
Yasuo Wagatsuma ◽  
Yasuo Cho ◽  
Atsushi Onoe ◽  
...  
Keyword(s):  
Data Storage ◽  
Scanning Probe Microscopy ◽  
High Density ◽  
Scanning Probe ◽  
Ferroelectric Polarization ◽  
Domain Formation ◽  
Basic Study ◽  
Polarization Distribution ◽  
Nonlinear Dielectric ◽  
Probe Microscopy

ABSTRACTScanning Nonlinear Dielectric Microscopy (SNDM) is the method for observing ferroelectric polarization distribution, and now, its resolution has become to the sub-nanometer order, which is much higher than other scanning probe microscopy (SPM) methods for the same purpose. Up to now, we have studied high-density ferroelectric data storage using this microscopy. In this study, we have conducted fundamental experiments of nano-sized inverted domain formation in LiTaO3 single, and successfully formed inverted dot array with the density of 1.5 Tbit/inch2.

scholarly journals High-order harmonic generation in hexagonal nanoribbons

2021 ◽  
Author(s):  
Christoph Jürß ◽  
Dieter Bauer
Keyword(s):  
Nearest Neighbor ◽  
Hexagonal Boron Nitride ◽  
Tight Binding ◽  
High Order ◽  
High Order Harmonic Generation ◽  
Polarization Component ◽  
High Order Harmonic ◽  
Linearly Polarized ◽  
Characteristic Features ◽  
Component Parallel

AbstractThe generation of high-order harmonics in finite, hexagonal nanoribbons is simulated. Ribbons with armchair and zig-zag edges are investigated by using a tight-binding approach with only nearest-neighbor hopping. By turning an alternating on-site potential off or on, the system describes for example graphene or hexagonal boron nitride, respectively. The incoming laser pulse is linearly polarized along with the ribbons. The emitted light has a polarization component parallel to the polarization of the incoming field. The presence or absence of a polarization component perpendicular to the polarization of the incoming field can be explained by the symmetry of the ribbons. Characteristic features in the harmonic spectra for the finite ribbons are analyzed with the help of the band structure for the corresponding periodic systems.

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