Accumulation of deep traps at grain boundaries in halide perovskites
The behavior of grain boundaries in polycrystalline halide perovskite solar cells remains
poorly understood. Whereas theoretical studies indicate that grain boundaries are not active …
poorly understood. Whereas theoretical studies indicate that grain boundaries are not active …
[HTML][HTML] Grain boundaries in polycrystalline materials for energy applications: First principles modeling and electron microscopy
Polycrystalline materials are ubiquitous in technology, and grain boundaries have long been
known to affect materials properties and performance. First principles materials modeling …
known to affect materials properties and performance. First principles materials modeling …
Defect formation and healing at grain boundaries in lead-halide perovskites
Polycrystalline perovskite solar cells show high power conversion efficiencies despite the
presence of grain boundaries (GBs). The benign nature of GBs on the electronic properties …
presence of grain boundaries (GBs). The benign nature of GBs on the electronic properties …
grain boundary faceting–roughening phenomena
BB Straumal, OA Kogtenkova, AS Gornakova… - Journal of materials …, 2016 - Springer
Similar to free surfaces, the grain boundaries (GBs) in metals, semiconductors and
insulators can contain flat (faceted) and curved (rough) portions. In the majority of cases …
insulators can contain flat (faceted) and curved (rough) portions. In the majority of cases …
Five-parameter intervariant boundary characterization of martensite in commercially pure titanium
The intervariant boundary characteristics of a commercially pure Ti microstructure formed by
the β→ α martensitic phase transformation were described according to the crystallography …
the β→ α martensitic phase transformation were described according to the crystallography …
[HTML][HTML] High-temperature microstructural stability of pure Ni fabricated by laser powder bed fusion using Gaussian and flat-top beam profiles
The effects of annealing on the microstructure of pure Ni fabricated by laser powder bed
fusion (LPBF) were investigated using two different beam profiles: Gaussian and flat-top …
fusion (LPBF) were investigated using two different beam profiles: Gaussian and flat-top …
Triple junction excess energy in polycrystalline metals
The energetics of triple lines are often negligible in polycrystalline systems, but may play a
significant role in the finest nanocrystals, and in fact lower the excess defect energies of …
significant role in the finest nanocrystals, and in fact lower the excess defect energies of …
Review of grain boundary complexion engineering: Know your boundaries
Grain boundary structure‐property relationships influence bulk performance and, therefore,
are an important criterion in materials design. Materials scientists can generate different …
are an important criterion in materials design. Materials scientists can generate different …
[HTML][HTML] Grain boundary network evolution in electron-beam powder bed fusion nickel-based superalloy Inconel 738
Additive manufacturing (AM) of alloys has attracted much attention in recent years for
making geometrically complex engineering parts owing to its unique benefits, such as high …
making geometrically complex engineering parts owing to its unique benefits, such as high …
[HTML][HTML] Five-parameter characterization of intervariant boundaries in additively manufactured Ti-6Al-4V
Additive manufacturing has emerged as a promising route to fabricate complex-shaped Ti-
6Al-4V parts. The microstructural evolution and variant selection across builds in response …
6Al-4V parts. The microstructural evolution and variant selection across builds in response …