Atomic structure and dynamics of massive transformation interfaces in TiAl alloy

2004 ◽  
Vol 95 (4) ◽  
pp. 275-278 ◽  
Author(s):  
James M. Howe ◽  
William T. Reynolds ◽  
Vijay. K. Vasudevan
Keyword(s):  
Atomic Structure ◽  
Tial Alloy ◽  
Massive Transformation ◽  
Structure And Dynamics

scholarly journals Atomic Structure and Dynamics of Self-Limiting Sub-Nanometer Pores in Monolayer WS2

ACS Nano ◽  
2018 ◽  
Vol 12 (11) ◽  
pp. 11638-11647 ◽  
Author(s):  
Gyeong Hee Ryu ◽  
Arthur France-Lanord ◽  
Yi Wen ◽  
Si Zhou ◽  
Jeffrey C. Grossman ◽  
...  
Keyword(s):  
Atomic Structure ◽  
Structure And Dynamics

scholarly journals Atomic Structure and Dynamics of Defects and Grain Boundaries in 2D Pd2Se3 Monolayers

2020 ◽  
Vol 26 (S2) ◽  
pp. 1636-1640
Author(s):  
Jun Chen ◽  
Gyeonghee Ryu ◽  
Jamie Warner
Keyword(s):  
Grain Boundaries ◽  
Atomic Structure ◽  
Large Scale ◽  
High Mobility ◽  
Dark Field ◽  
Self Healing ◽  
Vacancy Defects ◽  
Thermally Induced ◽  
Structure And Dynamics ◽  
Scanning Transmission

AbstractStructural imperfections of 2D crystals such as point vacancies and grain boundaries (GBs) have considerable impacts on their chemical-physical properties. Here we study the atomic structure and dynamics of defects and GBs in monolayer Pd2Se3 using annular dark field scanning transmission electron microscopy (ADF-STEM). The Pd2Se3 monolayers are reproducibly created by thermally induced phase transformation of few-layered PdSe2 films in an in-situ heating holder in the TEM to promote Se loss. Diverse point vacancies, one-dimensional (1D) defects, GBs and defect ring complexes are directly observed in monolayer Pd2Se3, which show a series of dynamics triggered by electron beam. High mobility of vacancies leads to self-healing of point vacancies by migration to the edge and subsequent edge etching under the beam. Specific defects are stabilized by Se–Se bonds, which shift in a staggered way to buffer strain, forming a wave-like 1D defect. Bond rotations are also observed and play an important role in defect and GB dynamics in Pd2Se3 during vacancy production. The GBs form in a meandering pathway and migrate by a sequence of Se–Se bond rotations without large scale vacancy formation. In the GB corners and tilted GBs, other highly symmetric vacancy defects also occur to adapt to the orientation change. These results give atomic level insights into the defects and GBs in Pd2Se3 2D monolayers.

Analytical complex at the PIK reactor for studying the supra-atomic structure and dynamics of materials by neutron scattering

2011 ◽  
Vol 56 (7) ◽  
pp. 1212-1216
Author(s):  
V. M. Lebedev ◽  
V. T. Lebedev ◽  
I. N. Ivanova ◽  
D. N. Orlova
Keyword(s):  
Neutron Scattering ◽  
Atomic Structure ◽  
Structure And Dynamics

scholarly journals Percolation channels: a universal idea to describe the atomic structure and dynamics of glasses and melts

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Charles Le Losq ◽  
Daniel R. Neuville ◽  
Wenlin Chen ◽  
Pierre Florian ◽  
Dominique Massiot ◽  
...  
Keyword(s):  
Atomic Structure ◽  
Structure And Dynamics

scholarly journals Atomic Structure and Dynamics of Single Platinum Atom Interactions with Monolayer MoS2

ACS Nano ◽  
2017 ◽  
Vol 11 (3) ◽  
pp. 3392-3403 ◽  
Author(s):  
Huashan Li ◽  
Shanshan Wang ◽  
Hidetake Sawada ◽  
Grace G. D. Han ◽  
Thomas Samuels ◽  
...  
Keyword(s):  
Atomic Structure ◽  
Platinum Atom ◽  
Monolayer Mos2 ◽  
Structure And Dynamics

scholarly journals Atomic Structure and Dynamics of Defects in 2D MoS2 Bilayers

ACS Omega ◽  
2017 ◽  
Vol 2 (7) ◽  
pp. 3315-3324 ◽  
Author(s):  
Si Zhou ◽  
Shanshan Wang ◽  
Huashan Li ◽  
Wenshuo Xu ◽  
Chuncheng Gong ◽  
...  
Keyword(s):  
Atomic Structure ◽  
Structure And Dynamics
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