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        4.2 POINT DEFECTS. A point defect disturbs the crystal pattern at an isolated site . It is useful to distin- guish intrinsic defects, which can appear in a pure material ...
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      • en.wikipedia.org
        Crystals have long been admired for their regularity and symmetry, but they were not investigated scientifically until the 17th century. Johannes Kepler hypothesized in his work Strena seu de Nive Sexangula (A New Year's Gift of Hexagonal Snow) (1611) tha
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    日期:2024-04-26
    Crystallography is the experimental science of determining the arrangement of atoms in the crystalline solids (see crystal structure). The word "crystallography" derives from the Greek words crystallon "cold drop, frozen drop", with its meaning extending ...
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    日期:2024-04-20
    Provides access to sample, current and back issues of several online crystallography journals....
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    日期:2024-04-22
    INTRODUCTION TO THE CRYSTAL CLASS MODELS These models can be used in several ways by those who want to: 1. make interesting shaped boxes 2. learn about the symmetries of polyhedra 3. learn to identify crystals and minerals based on the ......
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    日期:2024-04-19
    MTE 583MTE 583 -- Advanced Structure of MaterialsAdvanced Structure of Materials Class 14 Crystallography and Crystal Structures – continued [Ntti f tl t t ][Notation for crystal structures] Suggested Reading • M. DeGraef and M.E. McHenry, Structure of .....
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    日期:2024-04-20
    Resources Lecture Slides (PDF - 3.2MB) Transcript (PDF) Lecture Summary Continuing last lecture's explanation of extrinsic semiconductors, the Electronic Materials module ends at 13:00 with an exploration of p-type doping and an overview of the p-n juncti...
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    日期:2024-04-24
    1 Lecture 4 Crystal Defects, Non-Stoichiometry and Solid Solutions 4th year undergraduate course Leigh F. Jones School of Chemistry NUI Galway Rm. 133 Lecture 4: Outcomes Defects in solids Point Defects Extended defects: everything else that is not a poin...
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    日期:2024-04-19
    - 9 - Step Four Resentments Checklist Column 4* “Putting out of our minds the wrongs others had done, we resolutely lo oked for our own mistakes. Where had we been selfish, dishonest, self -seeking and frightened?” SELFISH • Not seeing others point of vie...
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    日期:2024-04-24
    Over the years, many successful attempts have been made to describe the art and science of crystal growth. Most modern advances in semiconductor and ... Provides the reader with the most complete state-of-the-art presentation on the basics and realization...