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"Piezoelectricity of Bi2Se3 Nanosheet" by Tingting Jia, Liu Yang et al.

Bi2Se3, one of the most extensively studied topological insulators, has received significant attention, and abundant research has been dedicated to exploring its surface electronic properties. However, little attention has been given to its piezoelectric properties. Herein, we investigate the piezoelectric response in a five-layer Bi2Se3 nanosheet using scanning probe microscopy (SPM) techniques. The piezoelectricity of Bi2Se3 is characterized using both conventional piezoresponse force microscopy (PFM) and a sequential excitation scanning probe microscopy (SE-SPM) technique. To confirm the linear piezoelectricity of Bi2Se3 two-dimensional materials, measurements of point-wise linear and quadratic electromechanical responses are carried out. Furthermore, the presence of polarization and relaxation is confirmed through hysteresis loops. As expected, the Bi2Se3 nanosheet exhibits an electromechanical solid response. Due to the inevitable loss of translational symmetry at the crystal edge ....

Bismuth Selenide , Echanical Exfoliation , Piezoresponse Force Microscopy ,

Piezoceramic Spheres Market Projected to Reach $412.9 Million, Globally, by 2032 at 7.1% CAGR: Allied Market Research

The global piezoceramic spheres market is experiencing growth due to factors such as high piezoelectric activity and permittivity and ease of fabricating piezoceramic spheres of various sizes, shapes, and requirement.Wilmington, Delaware, Oct. 09, 2023 (GLOBE NEWSWIRE) Allied Market Research published a report, titled, “Piezoceramic Spheres Market by Material Type, Application, and Outer Diameter: Global Opportunity Analysis and Industry Forecast, 2022-2032”. According to the report, the glob ....

United States , United Kingdom , Physik Instrumente , Pawan Kumar , David Correa , Wuxi Mq Ultrasonic Electrics Co Ltd , Weifang Jude Electronic Co Ltd , Corporation Trust Center , Zibo Yuhai Electronic Ceramic Co Ltd , Business Intelligence Solutions , Flexible Electronics Market Is Estimated To , Piezo Technology Co , Electronics Industry Book , Download Research Report Sample , Market Research Reports Insights , Market Research , Hubei Hannas Tech Co , Ultrasonic Co , Spheres Market , Material Type , Outer Diameter , Global Opportunity Analysis , Industry Forecast , Latest Industry Insight , Underwater Devices , North America ,

Devices offers long-distance, low-power underwater communication

A new underwater communication and networking technique can achieve kilometer-scale ranges while consuming about one-millionth the power required by current communication methods. ....

Woods Hole , United States , Charles River , Aline Eid , Ahmed Allam , Fadel Adib , Omid Abari , Waleed Akbar , Purui Wang , Atlantic Ocean , Van Atta , Jack Rademacher , University Of California At Los Angeles , Media Lab , National Science Foundation , Office Of Naval Research , Woods Hole Oceanographic Institution , Department Of Electrical Engineering , University Of Michigan , Sloan Research Fellowship , Electrical Engineering , Computer Science , Signal Kinetics , Woods Hole Oceanographic , Los Angeles , Van Atta Reflector ,

"Fabrication of relaxor-PT single crystals" by Lkhagvasuren Baasandorj

The ultrahigh properties of relaxor‒lead-titanate (relaxor-PbTiO3) crystals have been proved to offer dramatic enhancements to electromechanical devices. The developmental stage of relaxor- PbTiO3 (PT) ferroelectrical crystals comprises three generations. The class of binary Pb(Zn1/3Nb2/3)O3-PbTiO3 (PZN-PT) and Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) single crystals represents the first generation, which exhibits giant electromechanical properties and piezoelectric coefficients. The ternary system Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 (PIN-PMN-PT) represents the second generation, which demonstrates a greater coercive field (EC), a higher rhombohedral-to-tetragonal phase transition temperature (Tr-t) and a higher Curie temperature (TC) than those of the first generation. The third generation is Mn-modified Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 (Mn:PIN-PMN-PT), which possesses a higher mechanical quality factor (Qm) than those of the first and second generations, while it maintains com ....

Institute For , University Of Wollongong , Australian Institute Of Innovative Materials , Electronic Materials , Australian Institute , Innovative Materials , Ferroelectric Ceramics Crystals , Elaxor Pt , Crystal Growth ,

2D boundaries could create electricity

There’s still plenty of room at the bottom to generate piezoelectricity. Engineers at Rice University and their colleagues are showing the way.
A new study describes the discovery of piezoelectri . ....

Anand Puthirath , Pulickel Ajayan , Hanyu Zhu , Research Laboratory , Georger Brown School Of Engineering , Pennsylvania State University , Engineers At Rice University , University Of Southern California , University Of Houston , Rice University , Southern California , 2d Materials , Chemical Vapor Deposition ,