Magnetic anisotropy and coercivity in magnetic thin films
phase transformations in wo3 thin films during annealing
... given annealing temperature, the results are identical for a cumulative step-by-step annealing and after continuous annealing Results During annealing, the grain size and structure of thin oxide films ... Conclusion Table summarises the main results for the various structures observed during annealing of WO3 thin films The thin films were obtained by evaporation und...
Báo cáo hóa học: " Effect of Composition on Electrical and Optical Properties of Thin Films of Amorphous GaxSe1002x Nanorods" pptx
... optimization of device performance requires a well-established knowledge of the electrical and optical properties of GaSe thin films, in this paper, we report the results on electrical and optical ... respectively, and K is Boltzmann constant On the basis of best fitting of our data with thermally activated type of conduction, the values of activation energy...
DEFECT INDUCED NOVEL ELECTRICAL, MAGNETIC AND OPTICAL PROPERTIES OF TIO2 THIN FILMS GROWN BY PULSED LASER DEPOSITION
... electronic and magnetic properties of epitaxially grown transition metal doped TiO2 thin films by pulsed laser deposition technique on different metal oxide substrates Crystal Structure of TiO2 TiO2 ... magnetic semiconductor applications The objective of this thesis is to investigate the defect induced electrical, optical, magnetic and structural p...
Solid state dewetting of magnetic binary alloy thin films and application as nanowire and nanotube growth catalysts
... the dewetting process of metal thin film, both liquid -state dewetting and solid- state dewetting However, most of the studies are on dewetting of elemental materials In particular, for solidstate ... Sketch of a liquid drop at solid substrate There are generally two types of dewetting process of thin film, liquidstate and solid- state In liquid -state...
Defect mediated novel structural, optical, electrical and magnetic properties in ti1 xtaxo2 thin films
... resistivity for anatase Ti1- xTaxO2 (x = – 0.08) thin films and rutile Ti1- xTaxO2 (x = 0.08) thin film; (b) Variation of carrier density and Hall mobility for anatase Ti1- xTaxO2 thin films as a function ... transport, optical and magnetic properties appear to be quite distinct 1.2 Defects and Dopings in Semiconductors 1.2.1 Intrinsic and Extrinsic Defects...
Preparation and characterization of ferroelectric thin films for tunable and pyroelectric applications
... potential of BTS thin films The efforts toward improving the tunable and pyroelectric properties of BTS thin films have demonstrated the appealing prospective applications of BTS thin films in the ... investigating the tunable and pyroelectric properties of the B-site doped BaTiO3, i.e., Ba(Ti1-xSnx)O3 (BTS) thin films The effects of stress and micros...
Exchange bias characteristic in co pd n FEMN bi layered thin films with perpendicular anisotropy and the applications for spin valves in spintronics
... OPTIMIZATION OF PERPENDICULAR EXCHANGE BIAS 81 93 97 CHARACTERISTICS IN [Pd /Co] /FeMn THIN FILM SYSTEM 5.1 Introduction 97 iii 5.2 The effect of the seed layer on PEB [Pd /Co] /FeMn and FeMn/ [Co/ Pd] thin ... along the in- plane direction, and (e) a schematic diagram illustrating the spin configuration of Si/Ta(2)/ [Pd( 0.6) /Co( 0.23)] /FeMn( 11.6 nm)/Ta e...
The effects of additional nonmagnetic layers on structure and magnetic properties of l10 fept thin films
... done on the effects of layers added to the FePt magnetic layer The focus point of this thesis project is to carry out a systematic study on the influence of additional nonmagnetic layers on the ... performance The effect of additional nonmagnetic layers on the phase transformation of FePt thin films with different substrates is the m...
Deposition, microstructure and magnetic anisotropy of cobalt ferrite thin films
... anisotropy and growth mechanism of thin films are reviewed, which provides the background to understand this work 1.2 Magnetic anisotropy and coercivity of thin films 1.2.1 Magnetic anisotropy of films ... (111)-epitaxial CoFe2O4 films on (0001)-Al2O3 .79 4.3 Magnetic anisotropy of epitaxial Co -ferrite films 82 4.4 Growth and magnetic anisotropy...
Effects of AG on structural and magnetic properties of fept thin films
... study magnetic and structural properties of FePt -Ag thin films, the first step is to fabricate the materials Characterization of the thin films provided information about structural and magnetic ... coupling and recording performance Chapter • Correlation between the microstructure and magnetic properties in cosputtered FePt -Ag thin films • Sequent...
FIRST ORDER PHASE TRANSITION AND MAGNETIC PROPERTIES OF EPITAXIAL FERH THIN FILMS
... 3: Compositional dependence on the phase transition of FeRh thin films 3.2.2 Magnetic properties of Fe100-xRhx thin films Magnetization of FeRh thin films of various compositions were shown in ... equiatomic and Rh-rich 48 FeRh thin films 4.2.2.2 Magnetic properties of equiatomic and Rh-rich FeRh 49 thin films 4.2.2.3 Temperature dependent...
Growth and characterization of oxide thin films on silicon by pulsed laser deposition
... method of pulsed laser deposition (PLD); investigate the growth mechanism of high quality MgO films on silicon Fabricate highly oriented CoFe2O4 films on silicon with the help of MgO buffer layer and ... thesis 2.1.1 Pulsed- laser deposition One of the most significant approaches to oxide film growth is pulsed- laser deposition Pulsed- laser dep...
Magnetic anisotropy and coercivity in magnetic thin films
... -magnetocrystalline anisotropy, shape anisotropy, and stress-induced anisotropy play an important role in magnetic materials, especially in thin films, and any of them may be predominant in special ... anisotropy In part I, magnetocrystalline anisotropy was studied in Al-doped barium ferrite, both in powders and in thin films Other kinds of anisotorpies, i...
Magnetic properties of co ta thin films and their applications in magnetic tunnel junctions
... Ta ratio, (ii) Co- Ta of 15% Ta ratio, (iii) Co- Ta of 20% Ta ratio and (iv) Co- Ta of 25% Ta ratio 68 Fig 4.6.4 MFM images of (i) Co, (ii) Co- Ta (5%), (iii) Co- Ta (10%), (iv) Co- Ta (15%), (v) Co- Ta ... Co- Ta (20%) and (vi) Co- Ta (25%) 69 Fig 4.6.5 TEM images showing the crystal structures of (i) Co- Ta of 10% Ta ratio, (ii) Co-...
Từ khóa:
- high frequency permeability and characterization of magnetic thin films
- photovoltaic characteristics in polycrystalline and epitaxial plzt ferroelectric thin films
- photoisomerizatiqn in organic thin films
- measurements residual stresses and materials characterization of thin films
- photovoltaic mechanisms in ferroelectric thin films with screening effect
- electrical and magnetic properties of thin films
- interdiffusion and reactions in thin films