scholarly journals High-performance ferroelectric non-volatile memory based on La-doped BiFeO3 thin films

RSC Advances ◽  
2020 ◽  
Vol 10 (31) ◽  
pp. 18039-18043
Author(s):  
Wanqiong Dai ◽  
Yuanxiang Li ◽  
Caihong Jia ◽  
Chaoyang Kang ◽  
Mengxin Li ◽  
...  
Keyword(s):  
Thin Films ◽  
Single Crystal ◽  
High Performance ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Single Crystal Substrate ◽  
Bifeo3 Thin Films ◽  
Crystal Substrate ◽  
Non Volatile Memory ◽  
La Doped

An ultrathin (6.2 nm) ferroelectric La0.1Bi0.9FeO3 (LBFO) film was epitaxially grown on a 0.7 wt% Nb-doped SrTiO3 (001) single-crystal substrate by carrying out pulsed laser deposition to form a Pt/La0.1Bi0.9FeO3/Nb-doped SrTiO3 heterostructure.

Raman Spectra of Srm-3Bi4TimO3m+3 Thin Films

2003 ◽  
Vol 784 ◽  
Author(s):  
Jia Wang ◽  
Guangxu Cheng ◽  
Shantao Zhang ◽  
Hongwei Cheng ◽  
Yanfeng Chen
Keyword(s):  
Thin Films ◽  
Single Crystal ◽  
Pulsed Laser Deposition ◽  
Raman Spectra ◽  
Layer Structure ◽  
Pulsed Laser ◽  
Local Scale ◽  
Laser Deposition ◽  
Single Crystal Substrate ◽  
Crystal Substrate

ABSTRACTA series of bismuth layer-structured ferroelectrics thin films Srm-3Bi4TimO3m+3(m=3, 4, 5, and 6) were deposited by pulsed laser deposition (PLD) on (001) LaAlO3 single crystal substrate. XRD and Raman studies have been performed. The more sensitive Raman spectra lead to a different understanding on the layer structure of Sr3Bi4Ti6O21 from XRD. This can be attributed to the lager c-axis constant of Sr3Bi4Ti6O21 due to more layers. More layers lead to increasing disorder in the local scale of the average grain.

Characterization of Epitaxial Bi-Layer-Structured Bi5Ti3FeO15 (m = 4) and Bi4Ti3O12-Bi5Ti3FeO15 (m = 3-4) Natural-Superlattice-Structured Multiferroic Thin Films Prepared by Pulsed Laser deposition

2007 ◽  
Vol 1034 ◽  
Author(s):  
Seiji Nakashima ◽  
Yoshitaka Nakamura ◽  
Masanori Okuyama
Keyword(s):  
Thin Films ◽  
Single Crystal ◽  
Pulsed Laser Deposition ◽  
Single Crystals ◽  
Ferroelectric Properties ◽  
Pulsed Laser ◽  
Hysteresis Loops ◽  
Laser Deposition ◽  
Natural Superlattice ◽  
La Doped

AbstractBi-layer-structured mutiferroic Bi5Ti3FeO15 (BTFO15) (m = 4) and natural-superlattice-structured Bi4Ti3O12- Bi5Ti3FeO15 (BIT-BTFO15) (m = 3-4) thin films have been prepared on (001) and (110) oriented SrTiO3 (STO) single crystal substrates by using pulsed laser deposition. X-ray diffraction patterns of these thin films on (00l) STO single crystals shows the obtained thin films were (00l)-oriented layer-perovskite single phase, and BIT-BTFO15 (m = 3-4) natural-superlattice-structure has also obtained. On (110) STO single crystal, layer perovskite (11l) oriented thin films have been also obtained. For characterizing ferroelectric properties, these thin films have been prepared on (001) and (110) oriented La-doped (3.73 wt%) STO single crystal substrates. From ferroelectric D-E hysteresis loops measurements, BTFO15 (m = 4) and BIT-BTFO (m = 3-4) thin films on (110) La-doped STO single crystals shows good ferroelectric hysteresis loops and their double remanent polarizations (2Pr) were 47 μC/cm2 and 44 μC/cm2, respectively. However, these thin films on (001) La-doped STO single crystals do not show ferroelectric characteristics.

Microstructure and enhanced in-plane ferroelectricity of Ba0.7Sr0.3TiO3 thin films grown on MgAl2O4 (001) single-crystal substrate

2006 ◽  
Vol 89 (23) ◽  
pp. 232906 ◽  
Author(s):  
X. Y. Zhou ◽  
T. Heindl ◽  
G. K. H. Pang ◽  
J. Miao ◽  
R. K. Zheng ◽  
...  
Keyword(s):  
Thin Films ◽  
Single Crystal ◽  
Single Crystal Substrate ◽  
Crystal Substrate

Characteristics of SrBi2Ta2O9 thin films prepared by pulsed laser deposition for non-volatile memory applications

2000 ◽  
Vol 375 (1-2) ◽  
pp. 200-204 ◽  
Author(s):  
Xinhua Zhu ◽  
Yiming Liu ◽  
Zhenghua An ◽  
Tao Zhu ◽  
Zhuangchun Wu ◽  
...  
Keyword(s):  
Thin Films ◽  
Pulsed Laser Deposition ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Non Volatile Memory ◽  
Volatile Memory ◽  
Memory Applications

Piezoresponse Force Microscopy Studies of pc-BiFeO3 Thin Films Produced by the Simultaneous Laser Ablation of Bi and FeO3

2012 ◽  
Vol 1477 ◽  
Author(s):  
C. I. Enriquez-Flores ◽  
J. J. Gervacio-Arciniega ◽  
F. J. Flores-Ruiz ◽  
D. Cardona ◽  
E. Camps ◽  
...  
Keyword(s):  
Thin Films ◽  
Pulsed Laser ◽  
Domain Size ◽  
Piezoresponse Force Microscopy ◽  
Laser Deposition ◽  
Bismuth Iron Oxide ◽  
Deposition Technique ◽  
Force Microscopy ◽  
Bifeo3 Thin Films ◽  
Ferroelectric Domains

ABSTRACTBismuth iron oxide BFO films were produced by the pulsed laser deposition technique. These films are a mixture of BiFeO3 ferroelectrical and Bi25FeO40 piezoelectrical phases. The ferroelectrical domain structure of these films was studied via contact resonance piezoresponse force microscopy (CR-PFM) and resonance tracking PFM (RT-PFM). The proportions of area of these BFO phases were derived from the PFM images. The ferroelectrical domain size corresponds to the size of the BiFeO3 crystals. The CR-PFM and RT-PFM techniques allowed us to be able to distinguish between the ferroelectric domains and the piezoelectric regions existing in the polycrystalline films.

Preparation of BiFeO3 thin films by pulsed laser deposition method

2006 ◽  
Vol 16 ◽  
pp. s123-s125 ◽  
Author(s):  
Guan-jun ZHANG ◽  
Jin-rong CHENG ◽  
Rui CHEN ◽  
Sheng-wen YU ◽  
Zhong-yan MENG
Keyword(s):  
Thin Films ◽  
Pulsed Laser Deposition ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Deposition Method ◽  
Bifeo3 Thin Films
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