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Use of a summation technique for evaluation of the phase transition in lead germanate, Pb5Ge3O11

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Abstract

A computer technique is outlined to increase the signal: noise ratio of DSC results for transformations involving small changes of energy. The method is applied to determine the transformation temperature of the ferroelectric-paraelectric transformation of lead germanate, Pb5Ge3O11, either pure or doped with Nd3+ or with Nd3++K+.

Zusammenfassung

Eine Computermethode wird angegeben, die es erlaubt, das Signal: Rausch-Verhältnis bei DSC-Messungen von Umwandlungen mit geringer Energie zu erhöhen. Diese Methode wird verwendet, um die Temperatur der Umwandlung ferroelektrisch-paraelektrisch an Bleigermanat Pb5Ge3O11, rein oder dotiert mit Nd3+ oder mit Nd3+ +K+, zu bestimmen.

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References

  1. H. Iwasaki, S. Miyazawa, H. Koizumi, K. Sugi and N. Niizeki, J. Appl. Phys., 43 (1972) 4907.

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Authors and Affiliations

  1. Institute of Physics, Czechoslovak Academy of Sciences, Prague, ČSSR

    N. Rysava, J. Trnka & D. Schultze

  2. Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin-Adlershof, GDR

    D. Schultze

Authors
  1. N. Rysava
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  2. J. Trnka
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  3. D. Schultze
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Additional information

Thanks are due to Dr. H. D. Kürsten, who prepared the crystals.

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Rysava, N., Trnka, J. & Schultze, D. Use of a summation technique for evaluation of the phase transition in lead germanate, Pb5Ge3O11 . Journal of Thermal Analysis 30, 1169–1172 (1985). https://doi.org/10.1007/BF02108547

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  • DOI: https://doi.org/10.1007/BF02108547

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