In situ growth and doping of oxycarbonate Sr2CuO2(CO3) epitaxial thin films

K. W. Chang, B. W. Wessels, W. Qian, V. P. Dravid, J. L. Schindler, C. R. Kannewurf, D. B. Studebaker, Tobin J Marks, R. Feenstra

Research output: Contribution to journalArticle

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Abstract

Epitaxial cuprate oxycarbonate Sr2CuO2(CO3) thin films have been prepared by metal-organic chemical vapor deposition. The effects of deposition conditions on phase stability have been determined. X-ray diffraction, transmission electron microscopy, Rutherford backscattering spectroscopy, inductively coupled plasma atomic emission spectroscopy, and Fourier transform infrared spectroscopy were used to characterize the oxycarbonate thin films. The resistivity of the undoped Sr2CuO2(CO3) thin films decreases from ∼0.2 Ω cm to ∼0.01 Ω cm upon post annealing in oxygen, but semiconducting behavior is observed. Doping has been achieved through partial substitution of BO3-3 for CO2-3. Superconductivity with a Tc (onset) of 34 K and a Tc (zero) of 20 K has been obtained.

Original languageEnglish
Pages (from-to)11-20
Number of pages10
JournalPhysica C: Superconductivity and its Applications
Volume303
Issue number1-2
Publication statusPublished - Jul 10 1998

Fingerprint

Epitaxial films
Doping (additives)
Thin films
thin films
Atomic emission spectroscopy
Organic Chemicals
Phase stability
Organic chemicals
Rutherford backscattering spectroscopy
Inductively coupled plasma
Superconductivity
spectroscopy
cuprates
Fourier transform infrared spectroscopy
metalorganic chemical vapor deposition
Chemical vapor deposition
backscattering
Substitution reactions
superconductivity
Metals

Keywords

  • Chemical vapor deposition
  • Infrared spectroscopy
  • Oxycarbonate thin films
  • RBS spectroscopy
  • TEM
  • Transport properties

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Chang, K. W., Wessels, B. W., Qian, W., Dravid, V. P., Schindler, J. L., Kannewurf, C. R., ... Feenstra, R. (1998). In situ growth and doping of oxycarbonate Sr2CuO2(CO3) epitaxial thin films. Physica C: Superconductivity and its Applications, 303(1-2), 11-20.

In situ growth and doping of oxycarbonate Sr2CuO2(CO3) epitaxial thin films. / Chang, K. W.; Wessels, B. W.; Qian, W.; Dravid, V. P.; Schindler, J. L.; Kannewurf, C. R.; Studebaker, D. B.; Marks, Tobin J; Feenstra, R.

In: Physica C: Superconductivity and its Applications, Vol. 303, No. 1-2, 10.07.1998, p. 11-20.

Research output: Contribution to journalArticle

Chang, KW, Wessels, BW, Qian, W, Dravid, VP, Schindler, JL, Kannewurf, CR, Studebaker, DB, Marks, TJ & Feenstra, R 1998, 'In situ growth and doping of oxycarbonate Sr2CuO2(CO3) epitaxial thin films', Physica C: Superconductivity and its Applications, vol. 303, no. 1-2, pp. 11-20.
Chang KW, Wessels BW, Qian W, Dravid VP, Schindler JL, Kannewurf CR et al. In situ growth and doping of oxycarbonate Sr2CuO2(CO3) epitaxial thin films. Physica C: Superconductivity and its Applications. 1998 Jul 10;303(1-2):11-20.
Chang, K. W. ; Wessels, B. W. ; Qian, W. ; Dravid, V. P. ; Schindler, J. L. ; Kannewurf, C. R. ; Studebaker, D. B. ; Marks, Tobin J ; Feenstra, R. / In situ growth and doping of oxycarbonate Sr2CuO2(CO3) epitaxial thin films. In: Physica C: Superconductivity and its Applications. 1998 ; Vol. 303, No. 1-2. pp. 11-20.
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