All Stories

  1. Spherical harmonics analysis based on the Reuss model in elastic macro strain and stress determination by powder diffraction

    Article • Journal of Applied Crystallography, November 2017, International Union of Crystallography

    Dr Nicolae C Popa

  2. Elastic macro strain and stress determination by powder diffraction: spherical harmonics analysis starting from the Voigt model

    Article • Journal of Applied Crystallography, December 2013, International Union of Crystallography

    Dr Nicolae C Popa, Professor Davor Balzar

  3. Dependence of the strain diffraction line broadening on (hkl) and sample direction in textured polycrystals

    Article • Journal of Applied Crystallography, February 2013, International Union of Crystallography

    Dr Nicolae C Popa, Dr George-Adrian Lungu

  4. Pseudo extra reflection conditions

    Article • Acta Crystallographica Section A Foundations of Crystallography, April 2011, International Union of Crystallography

    Dr Nicolae C Popa

  5. Chapter 12. Microstructural Properties: Texture and Macrostress Effects

    Article • January 2008, Royal Society of Chemistry

    Dr Nicolae C Popa

  6. Size–strain line-broadening analysis of the ceria round-robin sample

    Article • Journal of Applied Crystallography, November 2004, International Union of Crystallography

    Dr Armel Le Bail, Dr Nicolae C Popa

  7. Elastic-strain tensor and inhomogeneous strain in thin films by X-ray diffraction

    Article • Thin Solid Films, February 2004, Elsevier

    Dr Nicolae C Popa

  8. Crystallite Size and Residual Strain/Stress Modeling in Rietveld Refinement

    Article • January 2004, Springer Science + Business Media

    Dr Nicolae C Popa

  9. D045 RESIDUAL STRAIN DETERMINATION BY RIETVELD REFINEMENT OF TOF NEUTRON-DIFFRACTION MEASUREMENTS ON DEFORMED URANIUM

    Article • Powder Diffraction, January 2003, Cambridge University Press

    Dr Nicolae C Popa

  10. Size-strain round robin: first results and the comparative analysis of the measurements

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2002, International Union of Crystallography

    Dr Armel Le Bail, Dr Nicolae C Popa

  11. The (hkl) Dependence of Diffraction-Line Broadening Caused by Strain and Size for all Laue Groups in Rietveld Refinement

    Article • Journal of Applied Crystallography, April 1998, International Union of Crystallography

    Dr Nicolae C Popa

  12. Texture in Rietveld refinement

    Article • Journal of Applied Crystallography, October 1992, International Union of Crystallography

    Dr Nicolae C Popa