title: Three new crystal structures in the Na-Pb system: solving structures without additional experimental input.
abstract: The structures of three Na-Pb compounds, γ, δ and δ', have remained incompletely solved for nearly 60 years. The space group, lattice parameters and positions of the Pb atoms of these three structures have been determined, but the positions of the Na atoms are still unknown. In this work, the First-Principles Assisted Structure Solution (FPASS) method [Meredig & Wolverton (2013). Nat. Mater. 12, 123-127] has been used to complete the description of these three structures using only experimental information available from the literature as input. The paper also discusses the relative advantages of constrained crystal structure prediction tools, like FPASS, in comparison to conventional crystal structure prediction methods in reference to their abilities to complete the solution of other unsolved structures.
authors: Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA.
authors: Logan
authors: L
authors: Ward
authors: Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA.
authors: Kyle
authors: K
authors: Michel
authors: Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA.
authors: Chris
authors: C
authors: Wolverton
keywords: FPASS; Na–Pb binary; structure solution