scholarly journals Resistance hysteresis correlated with synchrotron radiation surface studies in atomic sp2 layers of carbon synthesized on ferroelectric (001) lead zirconate titanate in an ultrahigh vacuum

RSC Advances ◽  
2020 ◽  
Vol 10 (3) ◽  
pp. 1522-1534
Author(s):  
Nicoleta Georgiana Apostol ◽  
Daniel Lizzit ◽  
George Adrian Lungu ◽  
Paolo Lacovig ◽  
Cristina Florentina Chirilă ◽  
...  

Graphene-like layers synthesized in ultrahigh vacuum, characterized by surface science techniques, exhibit resistance hysteresis depending on the carbon coverage.

2015 ◽  
Vol 57 (12) ◽  
pp. 2441-2446 ◽  
Author(s):  
D. A. Andronikova ◽  
A. A. Bosak ◽  
Iu. A. Bronwald ◽  
R. G. Burkovsky ◽  
S. B. Vakhrushev ◽  
...  

Author(s):  
M.L.A. Dass ◽  
T.A. Bielicki ◽  
G. Thomas ◽  
T. Yamamoto ◽  
K. Okazaki

Lead zirconate titanate, Pb(Zr,Ti)O3 (PZT), ceramics are ferroelectrics formed as solid solutions between ferroelectric PbTiO3 and ant iferroelectric PbZrO3. The subsolidus phase diagram is shown in figure 1. PZT transforms between the Ti-rich tetragonal (T) and the Zr-rich rhombohedral (R) phases at a composition which is nearly independent of temperature. This phenomenon is called morphotropism, and the boundary between the two phases is known as the morphotropic phase boundary (MPB). The excellent piezoelectric and dielectric properties occurring at this composition are believed to.be due to the coexistence of T and R phases, which results in easy poling (i.e. orientation of individual grain polarizations in the direction of an applied electric field). However, there is little direct proof of the coexistence of the two phases at the MPB, possibly because of the difficulty of distinguishing between them. In this investigation a CBD method was found which would successfully differentiate between the phases, and this was applied to confirm the coexistence of the two phases.


2020 ◽  
Author(s):  
Dixiong Wang ◽  
Sinan Dursun ◽  
Lisheng Gao ◽  
Carl S. Morandi ◽  
Clive A. Randall ◽  
...  

2016 ◽  
Vol 42 (6) ◽  
pp. 6782-6790 ◽  
Author(s):  
Linggen Kong ◽  
Inna Karatchevtseva ◽  
Rohan Holmes ◽  
Joel Davis ◽  
Yingjie Zhang ◽  
...  

2013 ◽  
Vol 114 (23) ◽  
pp. 239901
Author(s):  
E. A. Paisley ◽  
H. S. Craft ◽  
M. D. Losego ◽  
H. Lu ◽  
A. Gruverman ◽  
...  

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