Date of Publication

9-1994

Document Type

Master's Thesis

Degree Name

Master of Science in Physics

Subject Categories

Physics

College

College of Science

Department/Unit

Physics

Thesis Adviser

Shirley Palisoc Tiong

Defense Panel Chair

Reuben Quiroga

Defense Panel Member

Emmanuel Rodulfo
Romeric Pobre

Abstract/Summary

A method of determining the oxygen content of Bi-Pb-Sr-Ca-Cu-O ceramic superconductor is tried by correlating the cell potential values with the oxygen content variation, x obtained from iodometric titration. The observed potential values range from 206 to 291 mV while x varies from 0.16 to 0.72. A change in the oxygen content variation, x was found before and after the cell potential measurement. The x-ray diffraction results showed a shift in the 20 peaks and unidentified peaks were added after the potential measurement. A change in phase (80 K and 110 K) was observed in some samples after the cell potential measurement. Except for 1C2 and 1E2, all the samples were multiphased before and after the measurement. The cell potential values and oxygen content variation in the BPSCCO showed no direct relationship.

Abstract Format

html

Language

English

Format

Print

Accession Number

TG02374

Shelf Location

Archives, The Learning Commons, 12F Henry Sy Sr. Hall

Physical Description

59 leaves

Keywords

Oxygen; Iodometry; Superconductors; Electrolytic cells

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