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A method for cryomatrix isolation of metal polyaggregates: experiment and results.

Number: pap. ID: 796

Author(s) : ALDIYAROV A., DROBYSHEV A., TOKMOLDIN N.

Summary

A method of cryomatrix isolation is considered for production and investigation of nanoscale metallic structures. In this study, a cryogenic host matrix was deposited from ethanol vapor by low temperature vacuum deposition, while zinc (Zn) was used as a guest material. The choice of ethanol as a matrix was determined by an interest in studying the influence of thermally stimulated phase-structure transformations in the matrix on processes of formation and self-assembly of Zn polyaggregates. The samples of Zn were found to consist of thin flakes with average size of approximately 100 µm and thickness of several atomic distances. It is suggested that formation of such films may be initiated during the transition of the ethanol matrix into an intermediate metastable state of “a supercooled liquid” when heated. As a result, immobilized polyaggregates of Zn may have obtained sufficient mobility to bind into the observed two-dimensional structures.

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Pages: 5 p.

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Details

  • Original title: A method for cryomatrix isolation of metal polyaggregates: experiment and results.
  • Record ID : 30001881
  • Languages: English
  • Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Publication date: 2011/08/21

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