A new Diffractometer for Studies of Liquid - Liquid Interfaces

被引：10

作者：

Murphy, B. M. ^{[1
]}

Greve, M. ^{[1
]}

Runge, B. ^{[1
]}

Koops, C. T. ^{[1
]}

Elsen, A. ^{[1
]}

Stettner, J. ^{[1
]}

Seeck, O. H. ^{[2
]}

Magnussen, O. M. ^{[1
]}

机构：

[1] Univ Kiel, IEAP, D-24098 Kiel, Germany

[2] DESY, PETRA 3, D-22603 Hamburg, Germany

来源：

SRI 2009: THE 10TH INTERNATIONAL CONFERENCE ON SYNCHROTRON RADIATION INSTRUMENTATION | 2010年 / 1234卷

关键词：

Liquid - Liquid Interfaces; Liquid Surface Diffractometer; X-RAY REFLECTIVITY; SURFACE; CRYSTAL; PHASE;

D O I：

10.1063/1.3463163

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have designed a novel, dedicated diffractometer for surface x-ray scattering studies of liquid liquid and liquid-gas interfaces for the PETRA III High Resolution Diffraction Beam line. Using a double crystal beam-tilter in Bragg geometry this new instrument enables reflectivity and grazing incidence diffraction investigations without moving the sample, which is mechanically decoupled from the rest of the diffractometer. This design minimizes external excitation of surface vibrations, a key prerequisite for studies of liquid interfaces. The instrument operates over the energy range 6.4 keV to 30 keV, the higher energy range being optimal for penetration through liquid sample environments. Vertical momentum transfer up to q(z) = 2.5 angstrom(-1) and lateral q(parallel to) up to 4 angstrom(-1) will be available.

引用

页码：155 / +

页数：2

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