Results 191 to 200 of about 4,436 (299)

Automatic calculation of symmetry‐adapted tensors under spin‐group symmetry: STENSOR, a new tool of the Bilbao Crystallographic Server

open access: yesJournal of Applied Crystallography, EarlyView.
STENSOR automatically computes symmetry‐adapted tensors under spin and magnetic point groups. It generates tensors for both spin and magnetic point groups from structural data files or spin‐group generators. The comparison permits separation of the effects due to spin–orbit coupling from non‐relativistic contributions, as illustrated by examples.We ...
Luis Elcoro   +3 more
wiley   +1 more source

PyExtal: a Python package for quantitative convergent‐beam electron diffraction

open access: yesJournal of Applied Crystallography, EarlyView.
We introduce a Python package with parallel computing capabilities designed for the refinement of convergent‐beam electron diffraction (CBED) or large‐angle CBED patterns.Quantitative convergent‐beam electron diffraction (QCBED) enables the measurement of structure factors and other structural parameters with high accuracy using dynamical diffraction ...
Hsu-Chih Ni, Robert Busch, Jian-Min Zuo
wiley   +1 more source

FPGA‐accelerated streaming data reduction achieving an average compression ratio over 8000 in a 17.4 kHz, 840 kpixel CITIUS detector for quasi‐elastic gamma‐ray scattering

open access: yesJournal of Synchrotron Radiation, EarlyView.
A high‐throughput field‐programmable gate array (FPGA)‐accelerated data‐reduction and ‐analysis pipeline combined with high‐performance computing enables the continuous handling of a 216 Gbps data stream from quasi‐elastic gamma‐ray scattering experiments at SPring‐8.We present a data‐acquisition and ‐analysis framework for quasi‐elastic gamma‐ray ...
Haruki Nishino   +10 more
wiley   +1 more source

Some topological genera and Jacobi forms. [PDF]

open access: yesProc Natl Acad Sci U S A
Amdeberhan T, Griffin MJ, Ono K.
europepmc   +1 more source

Structure and properties of (Nd,Sr)(Al,Ta)O3 (NSAT) substrate crystals

open access: yesActa Crystallographica Section B, EarlyView.
An emerging cubic substrate material (Nd,Sr)(Al,Ta)O3 (NSAT) has been structurally and spectroscopically characterized revealing that the nominally cubic NSAT consists of partially developed cubic superstructure domains with doubled unit‐cell parameter.
Roberts Blukis   +10 more
wiley   +1 more source

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