Motivation

This IUC will evaluate whether a specific class of metadata and ontologies describing crystalline structures and crystalline defects (such as point defects, line defects, area defects, and volume defects), along with their temporal evolution, are well-designed and applicable across different types of simulations, experiments, and microscopy. Representations of such defects and structures are central to many studies and investigations conducted in MatWerk. Therefore, it is crucial that the ontology functions effectively across all relevant fields and methods, even if other more complex properties and relationships vary significantly across different Participant Projects (PPs) or applications. For this purpose, specialized ontologies are needed that should still incorporate the foundational ontology for crystallography and crystalline defects. Moreover, this IUC benefits from a close relationship with IUC12 to ensure that the crystalline ontology can be aligned with other existing ontologies for crystallographic structures.

Overview

Main requirements:

  • Ontologies describing crystalline defects and structures
  • Software tools for creating and visualizing ontologies
  • Metadata store
Main Task Area: TA-OMS
Other related Task Areas: TA-WSD, TA-CI
Possible connections within NFDI: NFDI4Ing
Material/Data: Single- and polycrystalline materials/metals including superalloys and HEAs / Simulation data as well as post-processed microscopy data
Main Success Scenario: Users can describe the defect structure with a defined vocabulary and quantitative mathematical representation that is comparable between experiments and transferable to simulations.
Added value for the MatWerk community: A consistent and standardized description of crystalline structures and defects that can easily be extended and adjusted.

Goals

  • Validate Crystalline Ontologies: Test and validate ontologies that describe crystalline structures and defects to ensure their applicability across simulations, experiments, and microscopy.
  • Ensure Comprehensive Coverage: Develop specialized ontologies that include a basic ontology for crystallography and crystalline defects, adaptable to various research fields and methods.
  • Align with Existing Ontologies: Collaborate with IUC 12 to ensure the alignment of crystalline ontologies with other existing ontologies for crystallographic structures.
  • Support Metadata Management: Implement a metadata store to manage and access metadata related to crystalline structures and defects.
  • Provide Visualization Tools: Develop software tools for creating and visualizing ontologies related to crystalline structures and defects.

Related Participant Projects

All Infrastructure Use Cases

NFDI-MatWerk
Funded by the German Research Foundation (DFG) under the National Research Data Infrastructure – NFDI 38/1 – 460247524

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