Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Uma Khachar"'
Autor:
Sanjay Kansara, Nikesh A. Shah, D. G. Kuberkar, Ram Janay Choudhary, Uma Khachar, D. M. Phase, P.S. Solanki
Publikováno v:
IEEE Transactions on Nanotechnology. 12:915-918
PLD grown ZnO/La0.7Sr0.3MnO3/SrTi0.998Nb0.002O3 nanostructured heterostructure has been studied for its nanoelectronic properties at room temperature under zero applied field. XRD φ-scan reveals the epitaxial growth of La0.7Sr0.3MnO3 (LSMO) film, wh
Publikováno v:
Journal of Materials Science & Technology. 29:989-994
Studies on the ZnO/La 0.5 Pr 0.2 Sr 0.3 MnO 3 (LPSMO)/SrNb 0.002 Ti 0.998 O 3 (SNTO) heterostructure having varying thickness of p-type LPSMO (100 nm – LP1) and (200 nm – LP2) manganite are carried out. ZnO/LPSMO (n–p) and LPSMO/SNTO (p–n) ju
Autor:
M. J. Keshvani, P.S. Solanki, K. Asokan, V. Ganesan, Ashish Ravalia, Uma Khachar, Priyanka Trivedi, Nikesh A. Shah, D. G. Kuberkar, D. Venkateshwarlu, Bharat Kataria, Megha Vagadia
Publikováno v:
Radiation Physics and Chemistry. 85:173-178
Owing to the higher magnetic transition temperature (TC), above RT and large magnetoresistance (MR) exhibited by La0.7Pb0.3MnO3 (LPMO) manganite, we have carried out the studies on the effect of 200 MeV Ag+15 ion irradiation on LPMO films. It is inte
Autor:
Ashish Ravalia, Megha Vagadia, M. J. Keshvani, Priyanka Trivedi, K. Asokan, P.S. Solanki, D. G. Kuberkar, B. T. Savalia, Uma Khachar
Publikováno v:
Advanced Materials Research. 665:63-69
Thin films of La0.8-xPr0.2SrxMnO3 (LPSMO) (x = 0.1, 0.2, 0.3) manganite, synthesized using pulsed laser deposition (PLD) technique, were irradiated by 200MeV Ag+15 ions with an ion fluence of 5 × 1011 ions/cm2. Structural and microstructural charact
Autor:
R.R. Doshi, V. Ganesan, Ashish Ravalia, D. G. Kuberkar, P.S. Solanki, Uma Khachar, Megha Vagadia
Publikováno v:
Applied Surface Science. 258:9041-9046
Nanostructured polycrystalline La0.7Ca0.3MnO3 (LCMO) and Nd0.7Sr0.3MnO3 (NSMO) manganites have been successfully synthesized at various temperatures ranging between 700 and 1100 °C using Sol–Gel method. Crystalline nature and morphology of the sam
Publikováno v:
Applied Physics A. 108:733-738
We report the results of studies of rectifying behavior, positive magneoresistance (MR), the charge-transport mechanism and the effect of an electric field on a ZnO (n)/La0.5Pr0.2Sr0.3MnO3 (LPSMO) (p)/SrNb0.002Ti0.998O3 (SNTO) (n) heterostructure com
Publikováno v:
Solid State Communications. 152:34-37
We report the results of studies on the rectifying behavior and tunneling conduction in ZnO(n)/La0.5Pr0.2Sr0.3MnO3(LPSMO)(p)/SrNb0.002Ti0.998O3 (SNTO)(n) thin film heterostructure comprising of two p–n junctions fabricated using the Pulsed Laser De
Autor:
P. Chaddah, R.R. Doshi, P. S. R. Krishna, Uma Khachar, A. Banerjee, D. G. Kuberkar, P.S. Solanki
Publikováno v:
Physica B: Condensed Matter. 406:4031-4034
Effect of A-site disorder in half-doped La 0.5 Ca 0.5 MnO 3 created by the substitution of Tb at La site is studied through temperature dependent neutron diffraction, resistivity, and magnetization on La 0.375 Tb 0.125 Ca 0.5 MnO 3 (LTC) to identify
Autor:
P.S. Solanki, Ashish Ravalia, Sudhindra Rayaprol, R.R. Doshi, D. G. Kuberkar, Megha Vagadia, Uma Khachar
Publikováno v:
Materials Research Bulletin. 46:1933-1937
We have carried out a comparative study of structural, microstructural and magnetic properties of the two sets of Co-doped ZnO samples synthesized using solid state reaction and sol–gel method. Rietveld refinement of the X-ray diffraction data reve
Publikováno v:
Materials Research Bulletin. 46:1118-1123
We report the effect of film thickness on transport and magnetotransport in La0.7Pb0.3MnO3 (LPMO) manganite films grown on single crystalline LaAlO3 substrate using chemical solution deposition (CSD) technique. AFM measurements show the island type g