Investigation of poling processor, charge trapping and preservation - some ferroelectric and polymeric material. Final report, July 1, 1984--June 20, 1990

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A single crystalline (Yttrium stabilized) Zirconia was extensively studied in order to get insight into the charge transport process in Zirconia as compared to other crystalline samples. One thing examined was the effect of crystalline-orientation charge retention on the electret formation discs. The authors did not find any significant difference in the electret formation or retention on cutting the crystal in different orientations. They did, however, notice and collect data on the increase of the charge density and the half life when the sample thickness was increased. They are trying to correlate this with their theory developed for the charge ... continued below

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9 p.

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Creator: Unknown. September 1, 1997.

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Description

A single crystalline (Yttrium stabilized) Zirconia was extensively studied in order to get insight into the charge transport process in Zirconia as compared to other crystalline samples. One thing examined was the effect of crystalline-orientation charge retention on the electret formation discs. The authors did not find any significant difference in the electret formation or retention on cutting the crystal in different orientations. They did, however, notice and collect data on the increase of the charge density and the half life when the sample thickness was increased. They are trying to correlate this with their theory developed for the charge retention and relaxation for the two different mechanisms of monocharge and bipolar charge retention. They also examined the increase in the relaxation time by storage at colder temperature and drier atmosphere. The result was an exponential increase of the half life with the fall of temperature as expected. They began investigating different new materials, all obtained from single crystalline structure. Some new materials like deuterated triglycine fluoroberyliate, (TGA) etc., were found to have much lower insulation property to be able to retain the charges. On the other hand the single crystalline samples of Lithium Niobate and lead zirconium titanate were found to be much better than the single crystal-zironia.

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9 p.

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OSTI as DE97008847

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  • Other Information: PBD: [1997]

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  • Other: DE97008847
  • Report No.: DOE/ER/45128--T5
  • Grant Number: FG05-84ER45128
  • DOI: 10.2172/542013 | External Link
  • Office of Scientific & Technical Information Report Number: 542013
  • Archival Resource Key: ark:/67531/metadc696574

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  • September 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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Investigation of poling processor, charge trapping and preservation - some ferroelectric and polymeric material. Final report, July 1, 1984--June 20, 1990, report, September 1, 1997; Georgia. (digital.library.unt.edu/ark:/67531/metadc696574/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.