What question did this study set out to answer?

Determine the true crystal structure of α-manganese and establish an analytical approach to reliably distinguish correct atomic arrangements from spurious solutions.

July 1, 1927Proceedings of the Royal Society of London Series A Containing Papers of a Mathematical and Physical CharacterOpen Access

The crystal structure of α-manganese

View Full Paper

Ask AI

Bookmark

Authors

ABAlbert James BradleyRoyal Society JTJ. ThewlisMinistry of Industry and Trade

Discussion

Member takes

Implication

Crystallographic analysis clarifies the atomic structure of alpha-manganese at temperatures up to 700°C, highlighting the need to rigorously evaluate complex multi-atom unit cells.

Key Points

Determine the true crystal structure of α-manganese and establish an analytical approach to reliably distinguish correct atomic arrangements from spurious solutions.
Applied powder X-ray diffraction analysis to measure reflection intensities and atomic spacing in metallic manganese.
Systematically tested all theoretically possible structural solutions against experimental data to account for the numerous positional parameters in the unit cell.
Identified α-manganese as a true metallic allotrope that remains stable from ambient conditions up to approximately 700°C.
Resolved earlier nomenclature discrepancies by classifying electrolytic manganese as a hydride rather than a pure metallic phase, confirming the unit cell contains a high density of atoms requiring multi-parameter modeling.

Cite This Study

Bradley et al. (1927) studied this question.

synapsesocial.com/papers/6a6d709b5d37378ac1db907e https://doi.org/10.1098/rspa.1927.0103

View Full Paper

Ask AI

Bookmark

Implication

Crystallographic analysis clarifies the atomic structure of alpha-manganese at temperatures up to 700°C, highlighting the need to rigorously evaluate complex multi-atom unit cells.

The crystal structure of α-manganese

Discussion

Member takes

Implication

Key Points

Cite This Study

The crystal structure of α-manganese

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider