Polarization and Piezoelectric Properties of High Performance Bismuth Sodium Titanate Single Crystals Grown by High-Oxygen-Pressure Flux Method

2010 ◽  
Vol 49 (9) ◽  
pp. 09MD09 ◽  
Author(s):  
Muneyasu Suzuki ◽  
Akifumi Morishita ◽  
Yuuki Kitanaka ◽  
Yuji Noguchi ◽  
Masaru Miyayama
Keyword(s):  
Single Crystals ◽  
Oxygen Pressure ◽  
High Performance ◽  
Piezoelectric Properties ◽  
Sodium Titanate ◽  
High Oxygen ◽  
Bismuth Sodium Titanate ◽  
Flux Method ◽  
High Oxygen Pressure ◽  
Bismuth Sodium

Ferroelectric Polarization Properties in High-Performance Bismuth Sodium Titanate Single Crystals

2011 ◽  
Vol 485 ◽  
pp. 7-10 ◽  
Author(s):  
Muneyasu Suzuki ◽  
Yuuki Kitanaka ◽  
Yuji Noguchi ◽  
Jun Akedo ◽  
Masaru Miyayama
Keyword(s):  
Single Crystals ◽  
Oxygen Pressure ◽  
Spontaneous Polarization ◽  
High Performance ◽  
Sodium Titanate ◽  
Bismuth Sodium Titanate ◽  
Flux Method ◽  
Saturated Polarization ◽  
High Oxygen Pressure ◽  
Bismuth Sodium

(Bi0.5Na0.5)TiO3 (BNT) single crystals were grown by flux method at a high oxygen pressure (Po2) of 1 MPa, and their polarization properties were investigated. BNT single crystals exhibited a saturated polarization hysteresis with a remanent polarizations (Pr) of 31 μC/cm2 along [100]c, 44 μC/cm2 along [110]c and 54 μC/cm2 along [111]c. These results show that spontaneous polarization of BNT is approximately 55 mC/cm2 or larger.

Ferroelectric Properties and Domain Clamping of (Bi0.5Na0.5)TiO3 Single Crystals Grown under High-Oxygen-Pressure Atmosphere

2013 ◽  
Vol 566 ◽  
pp. 29-33
Author(s):  
Yuuki Kitanaka ◽  
Hiroaki Onozuka ◽  
Yuji Noguchi ◽  
Masaru Miyayama
Keyword(s):  
Single Crystals ◽  
Oxygen Pressure ◽  
High Performance ◽  
Ferroelectric Properties ◽  
Piezoresponse Force Microscopy ◽  
High Oxygen ◽  
Force Microscopy ◽  
High Oxygen Pressure ◽  
Growth Method ◽  
Measured Polarization

Top-seeded solution growth method under high-oxygen-pressure atmosphere has been developed for obtaining high-performance and large-sized single crystals of ferroelectric (Bi0.5Na0.5)TiO3 (BNT). Crystals grown at 1000 °C at a Po2 of 0.9 MPa exhibited a well-saturated hysteresis with a remanent polarization of 34 μC/cm2 and a coercive field of 22 kV/cm along <100>cubic. The spontaneous polarization of BNT along <111>cubic is estimated to be 59 μC/cm2 from the measured polarization properties along <100>cubic of the crystals obtained. Domain observations using piezoresponse force microscopy revealed that the degraded performance of BNT crystals grown at a low Po2 is attributed to unswitched 71° domains remaining even after applying a high electric field to the crystals .

High-Performance Bi0.5Na0.5TiO3Single Crystals Grown by High-Oxygen-Pressure Flux Method

2008 ◽  
Vol 47 (9) ◽  
pp. 7623-7629 ◽  
Author(s):  
Katsuya Yamamoto ◽  
Muneyasu Suzuki ◽  
Yuji Noguchi ◽  
Masaru Miyayama
Keyword(s):  
Oxygen Pressure ◽  
High Performance ◽  
High Oxygen ◽  
Flux Method ◽  
High Oxygen Pressure

Ferroelectric and Piezoelectric Properties of Bi4Ti3O12 Single Crystals Grown by Top-Seeded Solution Growth Method at High Oxygen Pressure

2011 ◽  
Vol 485 ◽  
pp. 73-76
Author(s):  
Yuuki Kitanaka ◽  
Yuji Noguchi ◽  
Masaru Miyayama
Keyword(s):  
Single Crystals ◽  
Oxygen Pressure ◽  
High Performance ◽  
Piezoresponse Force Microscopy ◽  
High Oxygen ◽  
Solution Growth ◽  
Force Microscopy ◽  
High Oxygen Pressure ◽  
Growth Method ◽  
Top Seeded Solution Growth

High-performance single crystals of ferroelectric Bi4Ti3O12 (BiT) have been successfully obtained via the top-seeded solution growth under high oxygen pressure (Po2) atmosphere. Crystals grown at 960°C at a Po2 of 0.9 MPa exhibited a well-saturated hysteresis loop with a remanent polarization of 48 mC/cm2 and a coercive field of 29 kV/cm. The results of piezoresponse force microscopy indicate that polarization switching is accomplished throughout the BiT crystals obtained. Electric-field-induced strain measurements along the a axis yield a piezoelectric constant d11* of 37 pm/V for BiT.

Fabrication of 0-3 Non-Lead Based Piezoceramic/Polymer Composites Using Suction Technique

2008 ◽  
Vol 55-57 ◽  
pp. 141-144 ◽  
Author(s):  
Thanapong Sareein ◽  
Wandee Thamjaree ◽  
Wim Nhuapeng ◽  
Tawee Tunkasiri
Keyword(s):  
Epoxy Resin ◽  
Piezoelectric Coefficient ◽  
Piezoelectric Properties ◽  
Active Phase ◽  
Sodium Titanate ◽  
Bismuth Sodium Titanate ◽  
Volumetric Fraction ◽  
Bismuth Sodium ◽  
Composite Samples ◽  
Properties Of Composites

In this research, 0-3 composites between non-lead based piezoceramic and polymer were fabricated using the suction technique. Bismuth sodium titanate (Bi0.5Na0.5TiO3:BNT) which prepared from conventional mixed oxide method was used as active phase whereas epoxy resin was used as matrix phase. The 50% volumetric fraction of BNT/epoxy resin can obtain from suction technique. The physical and piezoelectric properties of composites samples were examined. It can be found that density of composite samples were about 1.78 g/cm3. Moreover, the piezoelectric coefficient (d33) of sample was 13 pC/N. Furthermore, the microstructure of composites was determined using SEM technique.

scholarly journals Electric-field-induced giant strain in Bi0.5Na0.5TiO3-based single crystals: Influence of high-oxygen-pressure annealing

2009 ◽  
Vol 117 (1361) ◽  
pp. 32-36 ◽  
Author(s):  
Yuji NOGUCHI ◽  
Shunsuke TERANISHI ◽  
Muneyasu SUZUKI ◽  
Masaru MIYAYAMA
Keyword(s):  
Electric Field ◽  
Single Crystals ◽  
Oxygen Pressure ◽  
High Oxygen ◽  
High Oxygen Pressure

On the growth of overdoped Bi-2212 single crystals under high oxygen pressure

2001 ◽  
Vol 355 (1-2) ◽  
pp. 140-146 ◽  
Author(s):  
A Maljuk ◽  
B Liang ◽  
C.T Lin ◽  
G.A Emelchenko
Keyword(s):  
Single Crystals ◽  
Oxygen Pressure ◽  
High Oxygen ◽  
High Oxygen Pressure

The growth of TiO2 (rutile) single crystals using the FZ method under high oxygen pressure

2002 ◽  
Vol 237-239 ◽  
pp. 730-734 ◽  
Author(s):  
Jong Kwan Park ◽  
Kwang Bo Shim ◽  
Keun Ho Auh ◽  
Isao Tanaka
Keyword(s):  
Single Crystals ◽  
Oxygen Pressure ◽  
High Oxygen ◽  
High Oxygen Pressure ◽  
Tio2 Rutile
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