Resolution function for two-axis specular neutron reflectivity

被引:11
作者
Bouwman, WG
Pedersen, JS
机构
[1] Department of Solid State Physics, Risø National Laboratory
关键词
D O I
10.1107/S0021889895012751
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The resolution function for specular neutron reflectivity measurements of flat samples is calculated. The results are also applicable to some X-ray reflectivity set-ups. In a basic approach, the contributions of the wavelength spread and the angular divergence are calculated. The method of combining these contributions is discussed. These calculations are compared with some measured reflectivity curves. The calculations are checked with an analytical beam analysis method that takes directly into account the coupling between the angle, position and wavelength of the neutrons.
引用
收藏
页码:152 / 158
页数:7
相关论文
共 14 条
  • [1] OBSERVATION OF ALGEBRAIC DECAY OF POSITIONAL ORDER IN A SMECTIC LIQUID-CRYSTAL
    ALSNIELSEN, J
    LITSTER, JD
    BIRGENEAU, RJ
    KAPLAN, M
    SAFINYA, CR
    LINDEGAARDANDERSEN, A
    MATHIESEN, S
    [J]. PHYSICAL REVIEW B, 1980, 22 (01): : 312 - 320
  • [2] BOUWMAN WG, 1996, UNPUB
  • [3] CAPILLARY WAVES ON THE SURFACE OF SIMPLE LIQUIDS MEASURED BY X-RAY REFLECTIVITY
    BRASLAU, A
    PERSHAN, PS
    SWISLOW, G
    OCKO, BM
    ALSNIELSEN, J
    [J]. PHYSICAL REVIEW A, 1988, 38 (05): : 2457 - 2470
  • [4] HYDROGEN CONCENTRATION AND MASS DENSITY OF DIAMOND-LIKE CARBON-FILMS OBTAINED BY X-RAY AND NEUTRON REFLECTIVITY
    FINDEISEN, E
    FEIDENHANS, R
    VIGILD, ME
    CLAUSEN, KN
    HANSEN, JB
    BENTZON, MD
    GOFF, JP
    [J]. JOURNAL OF APPLIED PHYSICS, 1994, 76 (08) : 4636 - 4642
  • [5] THE CORRECTION OF GEOMETRICAL FACTORS IN THE ANALYSIS OF X-RAY REFLECTIVITY
    GIBAUD, A
    VIGNAUD, G
    SINHA, SK
    [J]. ACTA CRYSTALLOGRAPHICA SECTION A, 1993, 49 : 642 - 648
  • [6] THE 3-DIMENSIONAL RESOLUTION FUNCTION FOR SMALL-ANGLE SCATTERING AND LAUE GEOMETRIES
    HARRIS, P
    LEBECH, B
    PEDERSEN, JS
    [J]. JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1995, 28 : 209 - 222
  • [7] HARRIS P, 1994, R747EN RISO NAT LAB
  • [8] MOL EAL, 1996, UNPUB
  • [9] SURFACE STUDIES OF SOLIDS BY TOTAL REFLECTION OF X-RAYS
    PARRATT, LG
    [J]. PHYSICAL REVIEW, 1954, 95 (02): : 359 - 369
  • [10] ANALYSIS OF NEUTRON AND X-RAY REFLECTIVITY DATA .2. CONSTRAINED LEAST-SQUARES METHODS
    PEDERSEN, JS
    HAMLEY, IW
    [J]. JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1994, 27 (pt 1) : 36 - 49