Výsledky vyhledávání - "R. N. Parmar"

Effects of swift heavy ion irradiation on La0.5Pr0.2Sr0.3MnO3 epitaxial thin films grown by pulsed laser deposition

Autor: D. G. Kuberkar, Ravi Kumar, J. H. Markna, Lalit M. Kukreja, D. S. Rana, Pankaj Misra, S. K. Malik, R. N. Parmar

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 256:693-697

We report the observation of room temperature insulator to metal transition and magnetoresistance characteristics of Swift Heavy Ions (SHIs) irradiated La 0.5 Pr 0.2 Sr 0.3 MnO 3 (LPSMO) epitaxial thin films grown on single crystal (1 0 0) SrTiO 3 su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f687b7177b18bd77ac80de49069dd24e
https://doi.org/10.1016/j.nimb.2007.01.165

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Low Temperature Bond Valence Sum Study of La1.7 Dy0.3 Ca0.6 Ba2 Cu4.6 Oz Oxide Superconductors

Autor: Keka R. Chakraborty, P. S. R. Krishna, Nikesh A. Shah, D. G. Kuberkar, M. Ramnadham, J.H. Markana, J.A. Bhalodia, C.M. Thakar, S. Rayaprol, R. N. Parmar

Publikováno v: Solid State Phenomena. 111:163-166

Bond Valence Sum (BVS) calculations were performed on neutron diffraction (ND) data measured at 12, 35, 55, 75 and 300 K on one sample (x = 0.3), of a series of La2-xDyxCa2xBa2Cu4+2xOz (La-2125) compounds. ND experiments have been carried out to stud

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea52dd5a1251e4d75eac844ef9c34e33
https://doi.org/10.4028/www.scientific.net/ssp.111.163

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Transport and Magnetic Properties of Eu and Sr Doped Manganite Compound La0.7Ca0.3MnO3

Autor: C. M. Thaker, Krushna Mavani, D. S. Rana, R. N. Parmar, D. G. Kuberkar, S. K. Malik, Nikesh A. Shah, J. H. Markna

Publikováno v: Hyperfine Interactions. 160:193-197

The effect of simultaneous increase in carrier density and size-disorder on the transport and magnetic properties of La0.7Ca0.3MnO3 has been investigated by studying the (La0.7−2x Eux) (Ca0.3Srx)MnO3 (0.05 ≤ x ≤ 0.2) (LECSMO) compounds. These c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d04c06ba38fac2b4254171894bb2a6f
https://doi.org/10.1007/s10751-005-9164-6

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Grain size dependent transport and magnetoresistance behavior of chemical solution deposition grown nanostructured La0.7Sr0.3MnO3 manganite films

Autor: R.R. Doshi, P.S. Solanki, R. N. Parmar, P. S. Vachhani, J. H. Markna, D. G. Kuberkar

Publikováno v: Journal of nanoscience and nanotechnology. 8(8)

Grain-size dependence of electronic transport and magnetoresistance (MR) properties of nanostructured La0.7Sr0.3 MnO3 (LSMO) manganite thin films on LaAlO3 (100) single crystal substrates prepared using Chemical Solution Deposition (CSD) technique ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce510361b8845e9add19b2219aaa5bec
https://pubmed.ncbi.nlm.nih.gov/19049192

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200 MeV Ag+15 ion irradiation created columnar defects and enhanced critical current density of La-2125 type superconducting thin films

Autor: R. Nagarajan, D. G. Kuberkar, R. N. Parmar, S. Rayaprol, J. John, Krushna Mavani, D. S. Rana, Ravi Kumar, Masayoshi Tonouchi

We have deposited c-axis oriented thin films of La1.5Dy0.5CaBa2Cu5Oz (La-2125) tetragonal superconductor on LaAlO3 (001) by Pulsed Laser Deposition. These films were irradiated with 200 MeV Ag+15 ions. Atomic Force Microscopy and Elastic Recoil Detec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afbbbb9084e1c29e283a3a26098eb9d6

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Swift-heavy-ion-irradiation-induced enhancement in electrical conductivity of chemical solution deposited La0.7Ba0.3MnO3 thin films

Autor: Sonia Malik, Ravi Kumar, Vivas C. Bagve, J. H. Markna, D. S. Rana, D. G. Kuberkar, R. N. Parmar

Epitaxial thin films of La0.7Ba0.3MnO3 manganite, deposited using Chemical Solution Deposition technique, were irradiated by 200 MeV Ag+15 ions with a maximum ion dose up to 1x10^12 ions/cm2. Temperature- and magnetic field-dependent resistivity meas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3106bf933cb183ff3b3f91a0ca5b95d

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Neutron Diffraction Studies on La2-xDyxCa2xBa2Cu4+2xOz Superconductors

Autor: D. G. Kuberkar, Sudhindra Rayaprol, Keka R. Chakraborty, P. S. R. Krishna, R. N. Parmar, M. Ramanadham

Structural studies on Dy-substituted La-2125 type superconductors have been carried out by neutron diffraction experiments at room temperature using a monochromatic neutron beam of wavelength lambda = 1.249 Angstroms. A series of samples with La2-xDy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b7caf01184299a5f249071badce3ed1
http://arxiv.org/abs/cond-mat/0408333

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Enhancement of electronic transport and magnetoresistance of Al 2 O 3 -impregnated (La 0.5 Pr 0.2 )Sr 0.3 MnO 3 thin films

Autor: J. H. Markna, D. S. Rana, P. S. Vachhani, Binti Singh, L. M. Kukreja, R. N. Parmar, S. K. Malik, P. Misra, D. G. Kuberkar

Publikováno v: Europhysics Letters (EPL). 79:17005

We have used a non-magnetic Al2O3 barrier, impregnated in (La0.5Pr0.2)Sr0.3MnO3 (LPSMO) thin film layers, to obtain large magnetoresistance (MR) in the vicinity of room temperature. In the magnetic field of 1T, the LPSMO/Al2O3/LPSMO heterostructure e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17e89e7bb6e4740d7a1a24ff556a1b49
https://doi.org/10.1209/0295-5075/79/17005

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