Mechanical properties of melt-derived erbium oxide

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Description

Erbium oxide (Er{sub 2}O{sub 3}) is a rare earth oxide that is chemically and thermally stable and has a melting point of 2,430 C. There is relatively little information available regarding single crystal growth of erbia or the properties of erbia. In this study, erbia single crystals have been grown in a Xenon Optical Floating Zone Unit (XeOFZ) capable of melting materials at temperatures up to 3,000 C. Erbia was melt synthesized in the XeOFZ unit in a container less fashion, proving for little chance of contamination. Crystals were grown in compressed air and in reducing atmospheres. A recurring problem ... continued below

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8 p.

Creation Information

Neuman, A.D.; Blacic, M.J.; Platero, M.; Romero, R.S.; McClellan, K.J. & Petrovic, J.J. December 31, 1998.

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Description

Erbium oxide (Er{sub 2}O{sub 3}) is a rare earth oxide that is chemically and thermally stable and has a melting point of 2,430 C. There is relatively little information available regarding single crystal growth of erbia or the properties of erbia. In this study, erbia single crystals have been grown in a Xenon Optical Floating Zone Unit (XeOFZ) capable of melting materials at temperatures up to 3,000 C. Erbia was melt synthesized in the XeOFZ unit in a container less fashion, proving for little chance of contamination. Crystals were grown in compressed air and in reducing atmospheres. A recurring problem with melt synthesis of erbia is the appearance of flakes at the edges of the melt zone during growth; these flakes disrupt the growth process. The processing details and an initial survey of the physical properties of erbia single crystals is discussed.

Physical Description

8 p.

Notes

INIS; OSTI as DE99000614

Source

  • Engineering Ceramics Division conference and exposition on composites, advanced ceramics, materials and structures, Cocoa Beach, FL (United States), 20 Jan 1998

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  • Other: DE99000614
  • Report No.: LA-UR--98-143
  • Report No.: CONF-980110--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/296753 | External Link
  • Office of Scientific & Technical Information Report Number: 296753
  • Archival Resource Key: ark:/67531/metadc681962

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  • December 31, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 25, 2016, 8:56 p.m.

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Neuman, A.D.; Blacic, M.J.; Platero, M.; Romero, R.S.; McClellan, K.J. & Petrovic, J.J. Mechanical properties of melt-derived erbium oxide, report, December 31, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc681962/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.