Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Venkata Sreenivas Puli"'
Autor:
Vadla Veenachary, Eskilla Venkata Ramana, Simhachalam Narendra Babu, Venkata Sreenivas Puli, Sujoy Saha, Gopalan Srinivasan, G. Prasad, N. V. Prasad
Publikováno v:
Crystals, Vol 14, Iss 4, p 299 (2024)
In the present work, we have synthesized rare-earth ion modified Bi4−xRExTi2Fe0.7Co0.3O12−δ (RE = Dy, Sm, La) multiferroic compounds by the conventional solid-state route. Analysis of X-ray diffraction by Rietveld refinement confirmed the format
Externí odkaz:
https://doaj.org/article/e48c7b38ff754e5d8b1096a1be4bae81
Autor:
Vadla Veenachary, Eskilla Venkata Ramana, Simhachalam Narendra Babu, Venkata Sreenivas Puli, Adiraj Srinivas, Gopalan Srinivasan, Sujoy Saha, Guduru Prasad, Nandiraju Venkata Prasad
Publikováno v:
Crystals, Vol 13, Iss 3, p 426 (2023)
In this work, we have prepared intergrowth of multiferroic compounds namely Bi4RTi3Fe0.7Co0.3O15-Bi3RTi2Fe0.7Co0.3O12−δ (BRTFCO15-BRTFCO12) (rare earth (R) = Dy, Sm, La) by solid-state reaction method. From the X-ray diffraction Rietveld refinemen
Externí odkaz:
https://doaj.org/article/cb7f1e58da1e4c92a3a6ff0eb5cf465f
Autor:
Neeraj Panwar, Kuldeep Singh, Komal Kanwar, Yugandhar Bitla, Surendra Kumar, Venkata Sreenivas Puli
Publikováno v:
Crystals, Vol 12, Iss 2, p 263 (2022)
Rare-earth chromites have been envisioned to replace gas-based refrigeration technology because of their promising magnetocaloric properties at low temperatures, especially in the liquid helium temperature range. Here, we report the low-temperature m
Externí odkaz:
https://doaj.org/article/73013ee5674f461b9531f514b06547cc
Autor:
Venkata Sreenivas Puli, Dhiren Kumar Pradhan, Gollapudi Sreenivasulu, Simhachalam Narendra Babu, Nandiraju Venkata Prasad, Kalpana Madgula, Douglas B. Chrisey, Ram S. Katiyar
Publikováno v:
Crystals, Vol 11, Iss 10, p 1192 (2021)
Development of lead-free BaTiO3/NiFe2O4/BaTiO3 (BTO/NFO/BTO) trilayer structure thin films is significant for the realization of eco-friendly and implantable microelectromechanical systems (MEMS)-based devices. In the present work, we report BTO/NFO/
Externí odkaz:
https://doaj.org/article/70b4b1688dce475399e2f7cd4fb5c22a
Autor:
Venkata Sreenivas Puli, Shiva Adireddy, Manish Kothakonda, Ravinder Elupula, Douglas B. Chrisey
Publikováno v:
Journal of Advanced Dielectrics, Vol 7, Iss 3, Pp 1750017-1-1750017-10 (2017)
This paper reports on synthesis of polycrystalline complex perovskite CaCu3Ti4O12 (as CCTO) ceramic powders prepared by a sol–gel auto combustion method at different sintering temperatures and sintering times, respectively. The effect of sintering
Externí odkaz:
https://doaj.org/article/e8a819fe0cb448a7a6ea10974ccb1e60
Publikováno v:
Journal of Advanced Dielectrics, Vol 5, Iss 3, Pp 1550027-1-1550027-9 (2015)
Polycrystalline La-doped BaTiO3 (Ba(1-x)Lax TiO3) [x=0,0.0005,0.001,0.003] ceramics (denoted as BTO,BLT1,BLT2,BLT3) were synthesized by conventional solid-state reaction method and characterized by X-ray diffraction (XRD), scanning electron microscop
Externí odkaz:
https://doaj.org/article/92eb462962f14563a9af1b1c99d6b535
Autor:
Venkata Sreenivas Puli, Dhiren K. Pradhan, Brian C. Riggs, Shiva Adireddy, Ram S. Katiyar, Douglas B. Chrisey
Publikováno v:
Journal of Advanced Dielectrics, Vol 4, Iss 2, Pp 1450014-1-1450014-9 (2014)
Polycrystalline sample of lead-free 1/3(Ba0.70Sr0.30TiO3) + 1/3(Ba0.70Ca0.30TiO3) + 1/3(BaZr0.20Ti0.80O3)(BST-BCT-BZT) ceramic was synthesized by solid state reaction method. Phase purity and crystal structure of as-synthesized materials was confirme
Externí odkaz:
https://doaj.org/article/3b5790eaabdc4098b6c0cd86aa27bcfc
Autor:
Ampattu R. Jayakrishnan, Anuj Kumar, Sahana Druvakumar, Rosmin John, Meera Sudeesh, Venkata Sreenivas Puli, José P. B. Silva, Maria J. M. Gomes, Koppole C. Sekhar
Publikováno v:
Journal of Materials Chemistry C. 11:827-858
Inorganic ferroelectric thin films and their composites with unique physical properties have motivated extensive research work and achieved substantial advances for flexible electronic and energy device applications.
Publikováno v:
Journal of Materials Science: Materials in Electronics. 33:22614-22627
Autor:
Ram S. Katiyar, Sergei V. Kalinin, Venkata Sreenivas Puli, Rama K. Vasudevan, Shalini Kumari, Dillip K. Pradhan, Ashok Kumar, Dhiren K. Pradhan, Philip D. Rack
Publikováno v:
Journal of Materials Chemistry C. 8:12113-12122
Magnetoelectric (ME) heterostructures can exhibit higher magnetic and ferroelectric ordering temperatures along with large ME coupling compared to single-phase multiferroic materials. We synthesized Pb(Fe0.5Nb0.5)O3 (PFN)/Ni0.65Zn0.35Fe2O4 (NZFO)/Pb(