Dielectric properties of BaTiO3∕SrTiO3 ferroelectric thin film artificial lattice

2006 ◽  
Vol 100 (5) ◽  
pp. 051613 ◽  
Author(s):  
Jaichan Lee ◽  
Leejun Kim ◽  
Juho Kim ◽  
Donggeun Jung ◽  
Umesh V. Waghmare
2002 ◽  
Vol 91 (8) ◽  
pp. 4973-4982 ◽  
Author(s):  
L. Lahoche ◽  
V. Lorman ◽  
S. B. Rochal ◽  
J. M. Roelandt

2005 ◽  
Vol 902 ◽  
Author(s):  
Jin Cheol Kim ◽  
Jun Rok Oh

AbstractThe mixture of PbO-Bi2O3-B2O3 (PBB) were formed on the Ba0.5Sr0.5TiO3 (BST) film and the effects of PBB phase on the dielectric properties of the BST film were investigated. The amorphous PBB layer was deposited on the BST film using rf magnetron sputtering and diffused into the film by heat treatment. The PBB phase in BST film was identified by energy dispersive spectrometer (EDS). Dielectric properties of BST film were significantly improved after the diffusion of PBB. The leakage current density of BST film decreased from 3.24×10-5 A/cm2 to 9.45×10-8 A/cm2 at 1.5 V and the dielectric constant increased from 238 to 533. These results show that the diffusion of insulating metal oxide into the ferroelectric thin film can improve the dielectric properties of the film.


1996 ◽  
Vol 441 ◽  
Author(s):  
Hyun Seok Lee ◽  
Man Young Sung

AbstractThe dielectric properties of Ba0.65Sr0.35TiO3(BST) films deposited by an electron beam assisted ionized cluster beam epitaxy (ICBE) technique were investigated. Highly (110) oriented BST films having a thickness up to 1, um have been successfully grown on a Si (100) substrate at 400°C using the electron beam assisted ICBE system with a plasma O2 source. It was found that the dielectric constant increases from 475 to 1191 with different process conditions. A BST film with a thickness of 500Å deposited at a substrate temperature of 400°C has a dielectric constant of 1191 and a leakage current of about 2.37×10-9 A/cm2. This shows the BST film can be applied to dielectrics of ULSI capacitors.


2012 ◽  
Vol 45 (33) ◽  
pp. 335401 ◽  
Author(s):  
Manoj Narayanan ◽  
Uthamalingam Balachandran ◽  
Stanislav Stoupin ◽  
Beihai Ma ◽  
Sheng Tong ◽  
...  

2009 ◽  
Vol 24 (4) ◽  
pp. 737-740 ◽  
Author(s):  
Dong-Sheng WANG ◽  
Tao YU ◽  
An HU ◽  
Di WU ◽  
Ai-Dong LI ◽  
...  

2011 ◽  
Vol 520 (1) ◽  
pp. 646-650 ◽  
Author(s):  
A. Oubelkacem ◽  
I. Essaoudi ◽  
A. Ainane ◽  
M. Saber ◽  
F. Dujardin

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