{"status":"OK","msg":"Details loaded!","speaker":{"id":16,"speaker":"Miguel Delgado","sarx_lecture":"One hundred years of X-ray powder diffraction: the legacy Peter W. Debye, Paul Scherrer and Albert W. Hull","sarx_lecture_abstract":"X-Ray Powder Diffraction, one of the premier techniques used in the characterization of materials, was invented one hundred years ago. Its origins can be traced to two landmark contributions presented to the scientific community in 1916. They are the better known and celebrated work carried out by Paul Scherrer under the guidance of Peter W. Debye [1] at the University of G\u00f6ttingen, Germany, and the less known work of Albert W. Hull [2] performed at the Research Laboratory of the General Electric Company, Schenectady, NY, USA. The great contributions of Scherrer and Debye have been prominently recognized. They are presented in many textbooks and in the specialized literature in the area of structural characterization of materials using X-ray diffraction techniques. The camera designed by them, later called \u201cthe Debye-Scherrer camera\u201d, was used extensively for many years and the experimental set up (\u201cthe Debye-Scherrer geometry\u201d) is still used today. On the other hand, in his pioneering study, Hull presented the crystal structure of Fe obtained using powder diffraction data. Hull explained in details the methodology used in the Fe work and in the determination of the structure of other metals in a more elaborate contribution published in December of 1917. [3]\r\n\r\nIn this communication, a brief review of the contributions Peter W. Debye, Paul Scherrer and Albert W. Hull to X-Ray Powder Diffraction and to Crystallography will be presented.","earj_lecture":"","earj_lecture_abstract":"","country":"Venezuela","institution":"Universidad De Los Andes (Venezuela)","earj":0,"sarx":1,"duration":30,"short_bio":null,"cvlink":"https:\/\/www.researchgate.net\/profile\/Jose_Miguel_Delgado","picture":"http:\/\/sarx2016.nbcgib.uesc.br\/speaker\/16\/picture","email":"migueld@ula.ve","cvfile":null,"created_at":"-0001-11-30 00:00:00","updated_at":"2016-08-17 18:50:37","lecture":"One hundred years of X-ray powder diffraction: the legacy Peter W. Debye, Paul Scherrer and Albert W. Hull","abstract":"X-Ray Powder Diffraction, one of the premier techniques used in the characterization of materials, was invented one hundred years ago. Its origins can be traced to two landmark contributions presented to the scientific community in 1916. They are the better known and celebrated work carried out by Paul Scherrer under the guidance of Peter W. Debye [1] at the University of G\u00f6ttingen, Germany, and the less known work of Albert W. Hull [2] performed at the Research Laboratory of the General Electric Company, Schenectady, NY, USA. The great contributions of Scherrer and Debye have been prominently recognized. They are presented in many textbooks and in the specialized literature in the area of structural characterization of materials using X-ray diffraction techniques. The camera designed by them, later called \u201cthe Debye-Scherrer camera\u201d, was used extensively for many years and the experimental set up (\u201cthe Debye-Scherrer geometry\u201d) is still used today. On the other hand, in his pioneering study, Hull presented the crystal structure of Fe obtained using powder diffraction data. Hull explained in details the methodology used in the Fe work and in the determination of the structure of other metals in a more elaborate contribution published in December of 1917. [3]
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\r\nIn this communication, a brief review of the contributions Peter W. Debye, Paul Scherrer and Albert W. Hull to X-Ray Powder Diffraction and to Crystallography will be presented."}}