Low-temperature sample operation bench used for soft X-ray magnetic circular dichroism (MCD)

A sample console and X-ray technology, applied in the field of sample consoles for X-ray magnetic circular dichroism absorption spectrometry measurement, can solve the problems of multiple console functions, difficult design, high price, etc., and achieves overcoming technical difficulties and simple design. The effect of high efficiency and lower manufacturing cost

Inactive Publication Date: 2016-10-05
INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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Problems solved by technology

[0004] In short, this kind of sample console requires multiple functions, and has the characteristics of insulation, heat conduction, and non-magnetism. In addition, the limitation of ultra-high vacuum on the use of materials makes its

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  • Low-temperature sample operation bench used for soft X-ray magnetic circular dichroism (MCD)
  • Low-temperature sample operation bench used for soft X-ray magnetic circular dichroism (MCD)
  • Low-temperature sample operation bench used for soft X-ray magnetic circular dichroism (MCD)

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[0025] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of devices and methods consistent with aspects of the invention as recited in the appended claims.

[0026] A low-temperature sample manipulator for soft X-ray magnetic circular dichroism according to the present invention will be described in detail below in conjunction with the accompanying drawings. Require.

[0027] figure 1 Shown is a three-dimensional schematic diagram of a soft X-ray magnetic circular dichroism cryogenic sample manipulation platform according to an embodiment of the presen...

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Abstract

The present invention proposes a low-temperature sample manipulator for soft X-ray magnetic circular dichroism (XMCD), comprising: a wiring cavity with an upper end and a lower end; an XYZ three-dimensional mobile stage installed on the XMCD ultra-high vacuum cavity, and the The lower end of the wiring cavity is installed on the XYZ three-dimensional mobile platform; the liquid nitrogen cooling device is connected to the upper end of the wiring cavity and passes through the XYZ three-dimensional mobile platform; the copper cold head is fixed on the liquid nitrogen The lower end of the cooling device; the sample rack is installed at the lower end of the copper cold head and is insulated from the copper cold head; wherein, the liquid nitrogen cooling device is injected with liquid nitrogen to cool the samples on the sample rack. The low-temperature sample manipulation table suitable for soft X-ray magnetic circular dichroism absorption spectrum proposed by the embodiment of the present invention realizes cryogenic refrigeration of liquid nitrogen to the greatest extent on the premise of insulation, non-magnetism and high vacuum.

Description

technical field [0001] The invention relates to a low-temperature sample operating platform, in particular to a sample operating platform for measuring soft X-ray magnetic circular dichroism absorption spectrum under the conditions of ultra-high vacuum, strong magnetic field and low temperature. Background technique [0002] The soft X-ray magnetic circular dichroism (XMCD) experimental technique is a powerful tool for the characterization of magnetic materials, and has extensive and important applications in condensed matter physics, magnetism, and material science. This experimental technology has strict requirements on the sample environment, and needs to take into account experimental conditions such as ultra-high vacuum, strong magnetic field, and low temperature. At present, there is a lack of perfect XMCD experimental equipment in China, and there is even a lack of low-temperature sample consoles suitable for such experimental conditions. [0003] Since the sample man...

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Application Information

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IPC IPC(8): G01N23/22
Inventor 郭志英洪才浩邢海英郑雷唐坤韩勇马陈燕徐伟陈栋梁赵屹东
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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