Results 201 to 210 of about 49,849 (265)

Unveiling the Origin of Fast Hydride Ion Diffusion at Grain Boundaries in Nanocrystalline TiN Membranes. [PDF]

ACS Omega
Kunisada Y, Kura C, Sakaguchi N, Zhu C, Habazaki H, Aoki Y.   +5 more
europepmc   +1 more source

Polar Wurtzite NbAlN: A Transition‐Metal Nitride Alloy for Polarization‐Engineered GaN Heterostructures

Advanced Materials, EarlyView.
A novel polar wurtzite alloy, NbAlN, is demonstrated as a transition‐metal‐containing polar barrier for GaN heterostructures. Nb atoms form coherent nanoscale enrichment within the wurtzite lattice without disrupting metal polarity. This study demonstrates that transition metals can be integrated into polar nitrides to enable polarization‐related ...
Atsushi Kobayashi, Souta Kurogi, Tomoya Okuda, Riku Kikuchi, Yusuke Wakamoto, Kouei Kubota, Hikaru Sasaki, Kazuhisa Ikeda, Kanako Shojiki, Takahiro Kawamura, Toru Akiyama, Takehito Seki, Takuya Maeda   +12 more
wiley   +1 more source

Enhanced Thermal Stability of Carbonyl Iron Nanocrystalline Microwave Absorbents by Pinning Grain Boundaries with SiBaFe Alloy Nanoparticles. [PDF]

Nanomaterials (Basel)
Xu Y, Chen Z, Fu Z, Hu Y, Luo Y, Li W, Guan J.   +6 more
europepmc   +1 more source

Complex dislocation loop networks as natural extensions of the sink efficiency of saturated grain boundaries in irradiated metals. [PDF]

Sci Adv
He S, Mang EH, Leff AC, Zhou X, Taheri ML, Marian J.   +5 more
europepmc   +1 more source

Giant intrinsic photovoltaic effect in one-dimensional van der Waals grain boundaries. [PDF]

Nat Commun
Zhou Y, Zhou X, Yu XL, Liang Z, Zhao X, Wang T, Miao J, Chen X.   +7 more
europepmc   +1 more source

Erratum for the Research Article: "Complex dislocation loop networks as natural extensions of the sink efficiency of saturated grain boundaries in irradiated metals," by He et al.

Sci Adv
europepmc   +1 more source

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Grain boundary inhomogeneity and grain boundary heterodiffusion

Philosophical Magazine A, 1995
It is shown that the inhomogeneity of the grain boundary (GB) i.e. the effect of the distribution of different lattice sites on the heats of interaction with species, leads to nonlinear GB penetration plots (in Fisher's coordinates). The sign of curvature and the values of deviation from a straight concentration profile depend on the interaction ...
B. S. Bokstein, A. S. Ostrovksy, A. O. Rodin   +2 more
openaire   +1 more source

Grain Boundary Sliding at Serrated Grain Boundaries

Advanced Performance Materials, 1997
A constitutive model is developed for grain boundary sliding (GBS) at serrated grain boundaries. Based on a previously developed GBS model, using the dynamics of grain boundary dislocation pile-up, the present model takes the average of the sliding rate over the characteristic dimensions of grain boundary serrations.
X.J. Wu, Ashok K. Koul
openaire   +1 more source

Dislocations in grain boundaries and grain boundary sliding

Acta Metallurgica, 1967
Abstract The Burgers vectors of grain boundary dislocations were analyzed by transmission electron microscopy in creep tested iron and iron alloys. The analysis indicates that the dislocations retain their original Burgers vectors when joining grain boundaries and remain undissociated. It is suggested that grain boundary sliding in creep is caused by
Y Ishida, M.Henderson Brown
openaire   +1 more source

Grain boundary segregation and grain-boundary heterodiffusion

Philosophical Magazine A, 1992
Abstract It is shown that nonlinear segregation effects (saturation, interaction of species) lead to nonlinear grain-boundary penetration plots. If the diffusion penetration depth is larger than a critical value, the concentration profiles become linear.
B. S. Bokstein, V. E. Fradkov, D. L. Beke   +2 more
openaire   +1 more source