Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The general equation of δ direct methods and the novel SMAR algorithm residuals using the absolute value of ρ and the zero conversion of negative ripples.

Acta crystallographica. Section A, Foundations and advances·2024
Same author

Extending the novel |ρ|-based phasing algorithm to the solution of anomalous scattering substructures from SAD data of protein crystals.

Acta crystallographica. Section A, Foundations and advances·2022
Same author

A new density-modification procedure extending the application of the recent |ρ|-based phasing algorithm to larger crystal structures.

Acta crystallographica. Section A, Foundations and advances·2021
Same author

Novel phasing method using the origin-free modulus sum function expressed in terms of the absolute electron density.

Acta crystallographica. Section A, Foundations and advances·2020
Same author

Pure Polymorph C of Zeolite Beta Synthesized by Using Framework Isomorphous Substitution as a Structure-Directing Mechanism.

Angewandte Chemie (International ed. in English)·2018
Same author

Ag<sub>2</sub>Cu<sub>3</sub>Cr<sub>2</sub>O<sub>8</sub>(OH)<sub>4</sub>: a new bidimensional silver-copper mixed-oxyhydroxide with in-plane ferromagnetic coupling.

Dalton transactions (Cambridge, England : 2003)·2017

Related Experiment Video

Updated: Apr 22, 2026

Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis
07:24

Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis

Published on: May 10, 2021

5.8K

Application of Patterson-function direct methods to materials characterization.

Jordi Rius1

  • 1Institut de Ciència de Materials de Barcelona, CSIC, Campus de la UAB, Bellaterra, Catalonia 08193, Spain.

Iucrj
|October 9, 2014
PubMed
Summary
This summary is machine-generated.

Patterson-function direct methods (PFDM) utilize experimental intensities to solve crystal structures. This review covers 20 years of PFDM development and applications, including powder and electron diffraction data.

Keywords:
PFDMS-FFTS-TFab initio structure solutioncluster-based DMdirect methodselectron diffraction tomographypowder diffractionprecession electron diffractionδ recycling

More Related Videos

Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction
09:13

Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction

Published on: April 1, 2017

14.8K
Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

4.1K

Related Experiment Videos

Last Updated: Apr 22, 2026

Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis
07:24

Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis

Published on: May 10, 2021

5.8K
Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction
09:13

Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction

Published on: April 1, 2017

14.8K
Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

4.1K

Area of Science:

  • Crystallography
  • Materials Science
  • Data Analysis

Background:

  • Direct methods are crucial for crystal structure solution.
  • Traditional methods often struggle with weak reflections.
  • Patterson-function direct methods (PFDM) offer an alternative approach.

Purpose of the Study:

  • To provide a comprehensive overview of Patterson-function direct methods (PFDM).
  • To trace the evolution of PFDM from their origins to their current state.
  • To highlight methodological contributions over a 20-year period.

Main Methods:

  • Utilizing experimental intensities as Fourier coefficients for origin-free Patterson-type functions.
  • Employing optimization algorithms to enhance direct methods.
  • Comparing the performance of different PFDM variants.

Main Results:

  • PFDM effectively incorporate both strong and weak reflections.
  • Demonstrated applications in powder diffraction data analysis.
  • Recent successful applications with electron diffraction tomography data.

Conclusions:

  • PFDM represent a significant advancement in crystal structure solution.
  • The methods are versatile, applicable to various diffraction data types.
  • Continued development promises further improvements in structural analysis.