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ETDEWEB   /       /    Neutron structural studies of La{sub 3.5-x-y}(Y){sub y}Ba{sub 3.5-x}Ca{sub 2x}Cu{sub 7}O{sub z} (x = y = 0.0 and 0.5) system

Neutron structural studies of La{sub 3.5-x-y}(Y){sub y}Ba{sub 3.5-x}Ca{sub 2x}Cu{sub 7}O{sub z} (x = y = 0.0 and 0.5) system

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Abstract

By mixing equal amounts of La{sub 4-x}Ca{sub x}Ba{sub 3}Cu{sub 7}O{sub z} and La{sub 3}Ba{sub 4-x} Ca{sub x}Cu{sub 7}O{sub z} in the proportion of 1 : 1, a series of superconductors part of La replaced by Y with the nominal composition of La{sub 3.5-x-y}(Y){sub y} Ba{sub 3.-5-x}Ca{sub 2x}Cu{sub 7}O{sub z} (LYCP) have been prepared. Two samples with x = y = 0.0 (A) and x = y = 0.5 (B) characterized by x-ray diffraction display tetragonal triple perovskite structure. In order to investigate the effect of substituents (Ca/Y) on structure of this system, neutron diffraction measurements have been carried out at 300 K and {lambda}{sub n}=1.216A at Dhruva reactor.
Authors:
Subbarao, M V; Kulkarni, R G; [1]  Rajagopal, H; Sequeira, A S [2] 
  1. Department of Physics, Saurashtra University, Rajkot (India)
  2. Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai (India)
Publication Date:
Jul 01, 1997
Product Type:
Conference
Resource Relation:
Conference: 40. DAE solid state physics symposium, Kochi (India), 27-31 Dec 1997; Other Information: Abstract prepared. 2 figs; PBD: 1997; Related Information: In: Proceedings of the DAE solid state physics symposium. V. 40C, 552 pages.
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; BRAGG CURVE; CHEMICAL PREPARATION; CUBIC LATTICES; HIGH-TC SUPERCONDUCTORS; LANTHANUM OXIDES; NEUTRON DIFFRACTION; TRANSITION TEMPERATURE; X-RAY DIFFRACTION; YTTRIUM OXIDES
OSTI ID:
20328492
Research Organizations:
Board of Research in Nuclear Sciences, Dept. of Atomic Energy, Mumbai (India)
Country of Origin:
India
Language:
English
Other Identifying Numbers:
TRN: IN0300368017334
Submitting Site:
INIS
Size:
page(s) 280
Announcement Date:
Mar 19, 2003

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Citation Formats

Subbarao, M V, Kulkarni, R G, Rajagopal, H, and Sequeira, A S. Neutron structural studies of La{sub 3.5-x-y}(Y){sub y}Ba{sub 3.5-x}Ca{sub 2x}Cu{sub 7}O{sub z} (x = y = 0.0 and 0.5) system. India: N. p., 1997. Web.
Subbarao, M V, Kulkarni, R G, Rajagopal, H, & Sequeira, A S. Neutron structural studies of La{sub 3.5-x-y}(Y){sub y}Ba{sub 3.5-x}Ca{sub 2x}Cu{sub 7}O{sub z} (x = y = 0.0 and 0.5) system. India.
Subbarao, M V, Kulkarni, R G, Rajagopal, H, and Sequeira, A S. 1997. "Neutron structural studies of La{sub 3.5-x-y}(Y){sub y}Ba{sub 3.5-x}Ca{sub 2x}Cu{sub 7}O{sub z} (x = y = 0.0 and 0.5) system." India.
@misc{etde_20328492,
title = {Neutron structural studies of La{sub 3.5-x-y}(Y){sub y}Ba{sub 3.5-x}Ca{sub 2x}Cu{sub 7}O{sub z} (x = y = 0.0 and 0.5) system}
 author = {Subbarao, M V, Kulkarni, R G, Rajagopal, H, and Sequeira, A S}
 abstractNote = {By mixing equal amounts of La{sub 4-x}Ca{sub x}Ba{sub 3}Cu{sub 7}O{sub z} and La{sub 3}Ba{sub 4-x} Ca{sub x}Cu{sub 7}O{sub z} in the proportion of 1 : 1, a series of superconductors part of La replaced by Y with the nominal composition of La{sub 3.5-x-y}(Y){sub y} Ba{sub 3.-5-x}Ca{sub 2x}Cu{sub 7}O{sub z} (LYCP) have been prepared. Two samples with x = y = 0.0 (A) and x = y = 0.5 (B) characterized by x-ray diffraction display tetragonal triple perovskite structure. In order to investigate the effect of substituents (Ca/Y) on structure of this system, neutron diffraction measurements have been carried out at 300 K and {lambda}{sub n}=1.216A at Dhruva reactor.}
 place = {India}
 year = {1997}
 month = {Jul}
 }