Results 201 to 210 of about 5,256,001 (257)

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

Advanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke, Hattie R. Chisnall, Jesus Vazquez Chavez, Ana B. Jorge Sobrido   +3 more
wiley   +1 more source

Implantable Ionic Memristors Based on Natural Polymer Heterojunctions

Advanced Functional Materials, EarlyView.
We report an implantable natural polymer‐based ionic memristor composed of hyaluronic acid, chitosan, and PDMS. The device achieved 98.94% accuracy in MNIST classification while reducing training time by 36.8% compared with a conventional artificial neural network (ANN).
Dong‐yup Lee, Byung Ik Park, Gihyeon Yim, Hyunjae Yoo, Sangjun Ma, Jundong Park, Jeong‐Yun Sun   +6 more
wiley   +1 more source

First principles investigation of the surface stability and equilibrium morphology of MoO3

Applied Surface Science, 2019
The surface stability and equilibrium morphology of MoO 3 were investigated by the first principles calculations. The thermodynamic energies of the stoichiometric surfaces of MoO 3 are in the order (0 1 0) < (1 0 1) < (0 0 1) < (1 0 0).
S P Sun, X P Li, D Q Yi
exaly   +2 more sources

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Thermodynamics of Surface Morphology

Science, 1991
Classical thermodynamic descriptions of surfaces treat surface orientation as a thermodynamic degree of freedom and thus allow for the possibility of reversible changes in surface morphology as a function of temperature or impurity concentration. The existence of these transitions has been confirmed experimentally.
E D, Williams, N C, Bartelt
openaire   +2 more sources

Surface Morphology of Pocket Epithelium

Ultrastructural Pathology, 2005
The pocket epithelium in periodontitis differs from the clinically healthy epithelium in its increase in sulcular depth. However, closer surface morphological distinctions have not been described. To study the surface characteristics of pocket gingiva, the authors analyzed pocket and sulcular epithelium biopsies by scanning and transmission electron ...
Ljubomir, Vitkov, Wolf Dietrich, Krautgartner, Matthias, Hannig   +2 more
openaire   +2 more sources

Morphology of growing bone surfaces

European Journal of Oral Sciences, 1975
abstract— The relation between bone surface patterns and the rate of bone formation and destruction was studied by observing surface sections and ground sections. The material used consisted of the dried skulls of three pigs. Observations on surface sections revealed two principal types of bone surface patterns, i.e.
P J, Rasmussen, O P, Sarp, H, Vilmann
openaire   +2 more sources

Growth morphologies of crystal surfaces

Physical Review A, 1991
A previously proposed Monte Carlo model (Xiao et al., 1988, 1990) is extended to three dimensions, and reevaporation after accommodation and growth on dislocation-induced steps are included. It is found again that, for a given set of growth parameters, the critical size beyond which a crystal cannot retain its macroscopically faceted shape scales ...
, Xiao, , Alexander, , Rosenberger
openaire   +2 more sources

Reflections on surface morphology

Nature Energy, 2021
Electrochromic windows can reduce buildings’ energy demand and improve occupants’ comfort, yet they struggle to fully meet market needs. Now, researchers demonstrate that polymer additives improve light and solar heat modulation of reflective electrochromic windows, with potential for durable, large-scale and low-cost manufacturing.
openaire   +1 more source

Vermiculite Surface Morphology

Clays and clay minerals (National Conference on Clays and Clay Minerals), 1963
Abstract A study of the surface morphology of vermiculites from several different sources by the electron microscope has indicated that, unlike the smooth surfaces of micas, the vermiculite surfaces show micromorphological structural variations such as small humps, prominent crystallographic steps on the basal cleavage planes ...
K. V. Venkata Raman, M. L. Jackson
openaire   +1 more source

Comparison of Catheter Surface Morphologies

British Journal of Urology, 1990
Summary— The surface morphologies of different generic types of Foley catheter have been investigated using scanning electron microscopy (SEM). The characteristic features of each material are illustrated and it is shown that distinct differences exist between the inner and outer surfaces of latex‐based ...
openaire   +2 more sources