Heiney, Paul A.2023-05-232017-03-062016-07-252017-03-06https://repository.upenn.edu/handle/20.500.14332/49711Limitations of crystallography due to: powder samples, finite angular range, the phase problem. Common solutions to these problems. Time 7:02.youtubehttp://creativecommons.org/licenses/by-nc/4.0/Powder diffractionAbbeNyquistphase problemPhysicsArticle