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Continuous Averaging Technique for Avoiding Drift Effects in X‐Ray Scattering Measurements

 

作者: C. R. Peters,   M. E. Milberg,  

 

期刊: Review of Scientific Instruments  (AIP Available online 1966)
卷期: Volume 37, issue 9  

页码: 1186-1189

 

ISSN:0034-6748

 

年代: 1966

 

DOI:10.1063/1.1720453

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A continuous averaging technique for avoiding the effects of long period drift in x‐ray scattering measurements has been developed. Only minor changes in conventional diffractometer equipment are required. A high speed drive motor is substituted for the conventional one in the diffractometer, and the scattered intensities are stored on paper tape. Thus, the sum of many rapid scans is substituted for one slow scan and the effective drift time is reduced to a negligible value. The actual summation of scattering patterns in proper register is done with an electronic computer. The scattering patterns obtained in this manner are expected to provide better structural information than was previously available concerning amorphous substances. Comparison of conventional and continuous averaging scattering patterns with and without an artificially imposed drift demonstrates that the method is effective.

 

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