Results 311 to 320 of about 2,360,838 (375)

Effects of Temperature Annealing on the Intrinsic Transport Mechanisms of Solution Processed Graphene Nanosheet Networks

Advanced Functional Materials, EarlyView.
Unravelling charge transport mechanisms in graphene nanosheet networks: by combining temperature‐dependent conductivity measurements with a Random Resistor Network model, this study identifies a transition from hopping‐dominated conduction to a band‐like transport mechanism.
Alessandro Grillo, Alejandro Toral‐Lopez, Damiano Marian, Aniello Pelella, Zixing Peng, Jingjing Wang, Enver Faella, Maurizio Passacantando, Antonio Di Bartolomeo, Gianluca Fiori   +9 more
wiley   +1 more source

Cu‐Based MOF/TiO2 Composite Nanomaterials for Photocatalytic Hydrogen Generation and the Role of Copper

Advanced Functional Materials, EarlyView.
HKUST‐1/TiO2 composite materials show a very high photocatalytic hydrogen evolution rate which increases as a function of the irradiation time until reaching a plateau and even surpasses the performance of the 1%Pt/TiO2 material after three photocatalytic cycles.
Alisha Khan, Marie Le Pivert, Alireza Ranjbari, Diana Dragoe, Daniel Bahena‐Uribe, Christophe Colbeau‐Justin, Christian Herrero, Dorota Rutkowska‐Zbik, Johnny Deschamps, Hynd Remita   +9 more
wiley   +1 more source

Crossover Effects of Transition‐Metal Ions on Lithium‐Metal Anode in Localized High Concentration Electrolytes

Advanced Functional Materials, EarlyView.
This study highlights the impact of transition‐metal (TM) ions (Ni2⁺, Mn2⁺, Co2⁺) on the performance of lithium‐metal anode in localized high‐concentration electrolytes. Mn2⁺ and Co2⁺ destabilize SEI and CEI layers, causing capacity fade and overpotential, while Ni2⁺ shows minimal effects. These findings underscore the need for electrolyte optimization
Zezhou Guo, Zehao Cui, Arumugam Manthiram   +2 more
wiley   +1 more source

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Electrical Resistive Spiking of Fungi

Biophysical Reviews and Letters, 2021
We study long-term electrical resistance dynamics in mycelium and fruit bodies of oyster fungi P. ostreatus. A nearly homogeneous sheet of mycelium on the surface of a growth substrate exhibits trains of resistance spikes. The average width of spikes is c. 23[Formula: see text]min and the average amplitude is c. 1[Formula: see text]k[Formula: see text]
Adamatzky, Andrew, Chiolerio, Alessandro, Sirakoulis, Georgios   +2 more
openaire   +2 more sources

Electrical Resistivity of a Tumor

Oncology, 1985
The resistivities of a Swarm murine basement membrane sarcoma and also surrounding tissue in BALB/c mice were determined. The circuit used allowed resistivity to be measured independently of the electrode geometry and capacitance. The tumor exhibited a resistivity of 310 +/- 52 omega X cm and the tissue 653 +/- 142 omega X cm.
James D. Goodrich, Robert A. Rinaldi
openaire   +3 more sources

Correlating the Chloride Diffusion Coefficient and Pore Structure of Cement-Based Materials Using Modified Noncontact Electrical Resistivity Measurement

Journal of materials in civil engineering, 2019
The electrical resistivity of hardened cement-based materials was measured in this work by a modified noncontact electrical resistivity measurement (MN-CM).
Rui He, H. Ye, Hongyan Ma, C. Fu, Xianyu Jin, Zongjin Li   +5 more
semanticscholar   +1 more source

Electrical resistivity of La

Physical Review B, 1977
The electrical resistivity of high-purity double hexagonal-close-packed (dhcp) $\ensuremath{\alpha}\ensuremath{-}\mathrm{La}$ from 5 to 300 K is reported. Measurements were made on small-grained samples prepared by heat treatment of eold-worked lanthanum.
S. Legvold, P. Burgardt, Karl A. Gschneidner, B. J. Beaudry   +3 more
openaire   +2 more sources

The electrical resistivity of protactinium

Journal of the Less Common Metals, 1984
Abstract The electrical resistivity of protactinium metal was measured in the temperature range 2–295 K. It rises from a residual resistivity of 0.92 μΩ cm through a power law region with an exponent of 1.7. A transition which shows some fine structure, the origin of which is not understood, occurs at about 100 K.
W. Müller, J.C. Spirlet, R Bett
openaire   +2 more sources

Effects of water content and salt content on electrical resistivity of loess

Environmental Earth Sciences, 2021
Z. Duan, Xusheng Yan, Qiang Sun, Xuan Tan, Chenxi Dong   +4 more
semanticscholar   +1 more source

Electrical resistivity of polymers

Polymer Engineering & Science, 1961
AbstractThe magnitude and temperature dependence of the electrical resistivities of a number of thermoplastic and thermosetting high polymers have been determined. Activation energies for the electrical conduction process Ee have been calculated and found to vary from 12 to 60 Kcal/mole depending upon the structure of the polymer.
R. W. Warfield, M. C. Petree
openaire   +2 more sources