Electrical, magnetic and thermal properties of selected perovskite oxides

... Magnetocaloric effect and magnetothermopower in xLaxSr0.3MnO3 Sm0.7- 196 6.1.2 Electrical, magnetic and magnetothermal properties of La0.7-xPrxCa0.3MnO3 198 6.1.3 Electrical and thermal transport ... [(a) and (b)] and x= 0.2 [(c) and (d)] compounds 105 Figure 3.22: Temperature dependence of  and ’’ under zero field for selected frequencies (f = 0.1-5 MHz) for x= 0...

Ngày tải lên: 10/09/2015, 09:11

... ELECTRICAL, < /b> MAGNETIC < /b> AND < /b> MAGNETOCALORIC < /b> PROPERTIES < /b> OF < /b> SELECTED < /b> B- SITE SUBSTITUTED MANGANITES SURESH KUMAR VANDRANGI (M Phil., University of < /b> Hyderabad, Hyderabad, India) A THESIS SUBMITTED ... describes the electrical, < /b> magnetic,< /b> thermal expansion and < /b> magnetocaloric < /b> properties < /b> of < /b> Pr1-xCaxMn1...

Ngày tải lên: 09/09/2015, 17:53

... 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...

Ngày tải lên: 08/09/2015, 15:20

... Kumar to make the days enjoyable I am also thankful to Mr Prasanta Sahani, Mr Sashi Bhusan Rout, Mr Satyananda Kar, Mr Satyananda Barik, Mr Rajeeb kumar Jena, Mr Narahari Mahanta, Mr Bijay Kumar ... Bala Barik, Mrs i ACKNOWLEDGEMENTS Bandana Mahakud and < /b> Mrs Sujata Biswal), Brother-in-laws (Mr Dibakar Barik, Mr Manoranjan Mahakud, Dr Ramesh Biswal and < /b> Mr Kharabela Behera), sister...

Ngày tải lên: 10/09/2015, 15:52

... Morphology of the MWCNTs Figure 5(a–c) shows the SEM micrographs of the MWCNTs of the as-produced and the functionalized tubes As seen from Fig 5a, the raw MWCNTs are produced in the form of agglomerated ... amide -MWCNTs/ polyimide and that of acid -MWCNTs/ polyimide composites are almost 123 One unique property of the MWCNTs is their electrical...

Ngày tải lên: 22/06/2014, 01:20

... direction of magnetic moment of A ions and magnetic moment of B1 and B2 ions Comparing MSt and MSe from Tab 2, we could determine the canting angle between magnetic moments of B1 and B2 ions in ... superparamagnetic properties of Ni -Zn ferrite for nano-bio fusion applications ware reported [13] In this paper we study magnetic and electric properties includi...

Ngày tải lên: 22/03/2014, 11:20

... investigate the effect of Zn2+ partially substituting for Co2+ in CoFe2O4 nanoparticles (Co1-xZnxFe2O4; x = 0, 0.5, and 1) and shelling with silica on the magnetic and optical properties of the ferrite ... the magnetic properties and diffuse reflectance of the prepared ferrite nanoparticles, respectively Results and discussion Figure 1a, b, c shows the X-ray diffract...

Ngày tải lên: 21/06/2014, 01:20

... presence of paramagnetic phases of LMO contamination in the samples with x = 0.1 and 0.2 The MS value increases as the Sr content increases and shows the highest value at x = 0.3 and then decreases as ... mL of dimethylsulfoxide (DMSO; Sigma, USA) and measured at 550 nm by the plate reader (Biorad, Japan) The average value of four wells was used for each sample and two...

Ngày tải lên: 22/06/2014, 00:20

... matrix and SBS gels were mixed with NR at a given concentration, to investigate their effect on the morphology, mechanical, dynamic mechanical and thermal properties of raw SBR and NR Morphology of ... diffusion of these curing agents during prevulcanization and hence higher amount of crosslinking The effect of sulfur crosslinking is also very pronounced on the m...

Ngày tải lên: 22/06/2014, 01:20

... evaluate the variability in selected physical and mechanical properties of new inter-American poplar clones (P trichocarpa × deltoides) As poplar plantations are a local source of wood which take away ... End-use related properties of poplar wood 627 Table VI Density (kg/m3 ), modulus of elasticity and modulus of rupture (N/mm2 ) for a 7-layer plywood for...

Ngày tải lên: 07/08/2014, 16:21

... ELECTRONIC, MAGNETIC AND OPTICAL PROPERTIES OF ATOMICALLY CONTROLLED COMPLEX OXIDE HETEROSTRUCTURES AND INTERFACES XIAO WANG (B.Sc, Shandong University, P.R China) ... spin and orbital degree of freedom in complex oxides, new properties can emerge at the interfaces of atomically flat oxide heterostructures, because of the inherent discontinuities a...

Ngày tải lên: 09/09/2015, 10:07

... role in determining the microstructure, magnetic and transport properties of the magnetic oxide thin films (2) A whole picture of the structure and magnetic properties of half metallic magnetite ... Figure 1 The density of state of non -magnetic, ferromagnetic, and half metallic meterials Most of the half metallic materials are ferromagnetic oxides, such as...

Ngày tải lên: 09/09/2015, 10:15

... not all defects in oxides are detrimental for applications Instead, they have their own specific roles in determining the electronic, magnetic and optical properties of oxides and oxide heterostructures ... bonds and prone to a variety of cationic and anionic point defects energetically favorable in such materials Point defects could significantly affect the ele...

Ngày tải lên: 10/09/2015, 09:11

... nature and location of Tk and Ti transitions are separately determined by POM and variable-temperature XRD 58 Figure 3.2 Variable temperature polarizing optical microscopy of P11 film Images ... when charges are located on the backbone Singly charged carriers are referred to as polarons (or radical cations in the case of short oligomers) whereas doubly charged carriers are called...

Ngày tải lên: 11/09/2015, 09:57

... magnetic, and transport properties of Cu-doped polycrystalline samples Sr2Fe1-xCuxMoO6 with ordered double perovskite structure are investigated The electrical, magnetic, and transport properties of ... development of manganese perovskites and double perovskites Firstly, we start with a general description of various magnetoresistance (MR) phenomena, and then w...

Ngày tải lên: 12/09/2015, 10:19