Ferroelectric-Ferromagnetic Heterostructures based on Sodium Substituted Lanthanum Manganite Thin films deposited on PMN-PT substrate by Pulsed Laser Deposition

AbstractFerroelectrics are multicomponent materials with a wealth of interesting and useful properties, such as piezoelectricity. The dielectric constant of the BSTO ferroelectrics can be changed by applying an electric field. Variable dielectric constant results in a change in phase velocity in the device allowing it to be tuned in real time for a particular application. The microstructure of the film influences the electronic properties which in turn influences the performance of the film. Ba0.6Sr0.4Ti1-y(A 3+, B5+)yO3 thin films, of nominal thickness of 0.65 μm, were synthesized initially at substrate temperatures of 400°C, and subsequently annealed to 750°C, on LaAlO3 (100) substrates, previously coated with LaSrCoO conductive buffer layer, using the pulsed laser deposition technique. The microstructural and physical characteristics of the postannealed thin films have been studied using x-ray diffraction, scanning electron microscopy, and nano indentation and are reported. Results of capacitance measurements are used to obtain dielectric constant and tunability in the paraelectric (T>Tc) regime.

Download Full-text

Preparation of b-axis Oriented BaTi2O5 Thin Films by Pulsed Laser Deposition

Journal of Inorganic Materials ◽

10.3724/sp.j.1077.2008.00553 ◽

2008 ◽

Vol 23 (3) ◽

pp. 553-556 ◽

Cited By ~ 1

Author(s):

Chuan-Bin WANG

Keyword(s):

Thin Films ◽

Pulsed Laser Deposition ◽

Pulsed Laser ◽

Laser Deposition

Download Full-text

Preparation and characterization of CuSbSe2 thin films deposited by pulsed laser deposition

Materials Science in Semiconductor Processing ◽

10.1016/j.mssp.2021.105716 ◽

2021 ◽

Vol 127 ◽

pp. 105716

Author(s):

Tianzhen Guo ◽

Dan Wang ◽

Yajun Yang ◽

Xiaoyong Xiong ◽

Kelin Li ◽

...

Keyword(s):

Thin Films ◽

Pulsed Laser Deposition ◽

Pulsed Laser ◽

Laser Deposition

Download Full-text

Widening of the optical band gap of CdO2(1-X)Al(X) thin films prepared by pulsed laser deposition

Applied Physics A ◽

10.1007/s00339-021-04338-7 ◽

2021 ◽

Vol 127 (3) ◽

Author(s):

Ahmed S. Ahmed ◽

Mohammed A. Hameed

Keyword(s):

Thin Films ◽

Pulsed Laser Deposition ◽

Band Gap ◽

Optical Band Gap ◽

Pulsed Laser ◽

Laser Deposition

Download Full-text

Optical, Structure and Electrical Properties of Pb1-xCdxS Thin Films by Pulsed Laser Deposition (PLD) Method

IOP Conference Series Materials Science and Engineering ◽

10.1088/1757-899x/1095/1/012009 ◽

2021 ◽

Vol 1095 (1) ◽

pp. 012009

Author(s):

Nada K Abbas ◽

Haneen S Hakeem

Keyword(s):

Thin Films ◽

Electrical Properties ◽

Pulsed Laser Deposition ◽

Pulsed Laser ◽

Laser Deposition ◽

Optical Structure

Download Full-text

Processing by Pulsed Laser Deposition and Structural, Morphological and Chemical Characterization of Bi-Pb-Sr-Ca-Cu-O and Bi-Pb-Sb-Sr-Ca-Cu-O Thin Films

Advances in Science and Technology ◽

10.4028/www.scientific.net/ast.75.202 ◽

2010 ◽

Vol 75 ◽

pp. 202-207

Author(s):

Victor Ríos ◽

Elvia Díaz-Valdés ◽

Jorge Ricardo Aguilar ◽

T.G. Kryshtab ◽

Ciro Falcony

Keyword(s):

Thin Films ◽

Pulsed Laser Deposition ◽

Room Temperature ◽

Pulsed Laser ◽

Chemical Characterization ◽

Laser Deposition ◽

Nominal Composition ◽

Deposition Parameters ◽

The Relationship

Bi-Pb-Sr-Ca-Cu-O (BPSCCO) and Bi-Pb-Sb-Sr-Ca-Cu-O (BPSSCCO) thin films were grown on MgO single crystal substrates by pulsed laser deposition. The deposition was carried out at room temperature during 90 minutes. A Nd:YAG excimer laser ( = 355 nm) with a 2 J/pulse energy density operated at 30 Hz was used. The distance between the target and substrate was kept constant at 4,5 cm. Nominal composition of the targets was Bi1,6Pb0,4Sr2Ca2Cu3O and Bi1,6Pb0,4Sb0,1Sr2Ca2Cu3OSuperconducting targets were prepared following a state solid reaction. As-grown films were annealed at different conditions. As-grown and annealed films were characterized by XRD, FTIR, and SEM. The films were prepared applying an experimental design. The relationship among deposition parameters and their effect on the formation of superconducting Bi-system crystalline phases was studied.

Download Full-text