Surface Microstructure and Magnetic Properties of Laser-Processed Granular Co-Ag Films

1999 ◽  
Vol 562 ◽  
Author(s):  
E. Agostinelli ◽  
D. Fiorani ◽  
S. Foglia ◽  
S. Kaciulis ◽  
A. M. Testa ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Structural Modification ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Surface Microstructure ◽  
Electron Microscopies ◽  
Atomic Force ◽  
Field Sensitivity ◽  
Microstructure And Magnetic Properties ◽  
Pulsed Laser Irradiation

ABSTRACTCo-Ag films prepared by Pulsed Laser Deposition and showing GMR in the as deposited state, have been irradiated by excimer laser: the chemical and structural modification induced by such treatment have been studied by XPS and by atomic force and electron microscopies. The pulsed laser irradiation favors the nucleation of nanosized Co grains at Ag grain boundaries, resulting in an enhancement of the magnetoresistivity at low fields and low temperature. Indeed, after laser treatment, a doubled field sensitivity (δGMR/δH) at T=I0K, with respect to the untreated samples, has been observed. The correlation with the observed magnetic properties variations, is discussed.

scholarly journals In Vivo Assessment of Synthetic and Biological-Derived Calcium Phosphate-Based Coatings Fabricated by Pulsed Laser Deposition: A Review

Coatings ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 99
Author(s):  
Liviu Duta
Keyword(s):  
Calcium Phosphate ◽  
Pulsed Laser Deposition ◽  
Physical Vapor Deposition ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Current Status ◽  
Micro Computed Tomography ◽  
Electron Microscopies ◽  
In Vivo Assessment

The aim of this review is to present the state-of-the art achievements reported in the last two decades in the field of pulsed laser deposition (PLD) of biocompatible calcium phosphate (CaP)-based coatings for medical implants, with an emphasis on their in vivo biological performances. There are studies in the dedicated literature on the in vivo testing of CaP-based coatings (especially hydroxyapatite, HA) synthesized by many physical vapor deposition methods, but only a few of them addressed the PLD technique. Therefore, a brief description of the PLD technique, along with some information on the currently used substrates for the synthesis of CaP-based structures, and a short presentation of the advantages of using various animal and human implant models will be provided. For an in-depth in vivo assessment of both synthetic and biological-derived CaP-based PLD coatings, a special attention will be dedicated to the results obtained by standardized and micro-radiographies, (micro) computed tomography and histomorphometry, tomodensitometry, histology, scanning and transmission electron microscopies, and mechanical testing. One main specific result of the in vivo analyzed studies is related to the demonstrated superior osseointegration characteristics of the metallic (generally Ti) implants functionalized with CaP-based coatings when compared to simple (control) Ti ones, which are considered as the “gold standard” for implantological applications. Thus, all such important in vivo outcomes were gathered, compiled and thoroughly discussed both to clearly understand the current status of this research domain, and to be able to advance perspectives of these synthetic and biological-derived CaP coatings for future clinical applications.

Anisotropic magnetic properties of Zn1–xCoxO thin films grown by pulsed laser deposition

2006 ◽  
Vol 3 (4) ◽  
pp. 1126-1129
Author(s):  
J. W. Lee ◽  
S. Kuroda ◽  
S. Yamada ◽  
K. Takita
Keyword(s):  
Thin Films ◽  
Magnetic Properties ◽  
Pulsed Laser Deposition ◽  
Pulsed Laser ◽  
Laser Deposition
Sign in / Sign up

Export Citation Format

Share Document