Sentences with phrase «for electrical conductivity»

There are quantum dots for fluorescence and color, and buckyballs for electrical conductivity.

Not exact matches

The patent, a 28 - page request for «Systems, Method, and Apparatus for Curing Conductive Paste,» allows Tesla to bond solar cell - embedded tiles with an adhesive that is thermally cured under heat, and enables electrical conductivity between the bonded materials.

For example, when physicists explain the electrical conductivity of metals in terms of the «band structure» of the energy levels of the electrons in a crystal lattice of atoms, to which of the four causes does that correspond?

For example, by measuring electrical conductivity or the spread of heat in the skin, it can monitor hydration, allowing it to spot early signs of heart problems marked by water retention.

«We find the conditions for brines to be produced, but if you want to measure them directly you need some other kind of measurement,» he says, such as an instrument that can look for changes in electrical conductivity.

For most metals, the relationship between electrical and thermal conductivity is governed by the Wiedemann - Franz Law.

The recent report of electrical conductivity in the alkali metal fullerides and the discovery of superconductivity at 18 K for KxC60 has raised fundamental questions about the electronic states on either side of the Fermi level, their occupancy with K intercalation, and the mechanism of superconductivity.

High electrical conductivity and large accessible surface area, which are required for ideal electrode materials in energy devices, are opposed to each other in current materials.

That, however, is just «one piece of the puzzle,» Chen says: In order to be useful for thermoelectric devices, a material must combine low thermal conductivity with high electrical conductivity.

Another set of sensors measure electrical conductivity, which Burger says can be used as a proxy for measuring nitrate.

Researchers of MESA +, the research institute for nanotechnology of the University of Twente, in cooperation with researchers of the University of Strasbourg and Eindhoven University of Technology, are the first to successfully create perfect one - dimensional molecular wires of which the electrical conductivity can almost entirely be suppressed by a weak magnetic field at room temperature.

The electrical conductivity of the material provided another hint of superionic ice: The level of conductivity was consistent with expectations for that phase of matter.

The material that Wang and his team created restores all properties needed for use as a dielectric in wearable electronics — mechanical strength, breakdown strength to protect against surges, electrical resistivity, thermal conductivity and dielectric, or insulating, properties.

Without stretching, printed traces of the new conductor recorded 4,972 siemens per centimeter (S / cm), high conductivity using the common measure for assessing electrical conductance.

Less than two years ago, Kanatzidis and his team, with postdoctoral fellow Lidong Zhao as protagonist, identified tin selenide as a surprisingly good thermoelectric material; it is a poor conductor of heat (much like wood)-- a desirable property for a thermoelectric — while maintaining good electrical conductivity.

Oligothiophene (4T) and polythiophene (P3HT), two typical organic semiconductors, can be doped with a second type of molecule such as a strong electron acceptor (F4TCNQ) for example to control the electrical conductivity.

Bismuth is a historically interesting element for scientists, as a number of important discoveries in the metal physics world were made while studying it, including important observations about the effect of magnetic fields on electrical conductivity.

Hence, the research team recognized this need for a good anode material that could offer high electrical conductivity and theoretical capacity.

The technique also improves the electrical conductivity that makes these films attractive for use in electronic and aerospace applications.

One of the difficulties involved in developing thermo - electric systems that convert heat into electric current is the need for materials exhibiting high electrical conductivity but low thermal conductivity, which is only possible with complicated crystal structures.

Dresselhaus demonstrated that in a one - dimensional structure, it is possible to separately adjust electrical and thermal conductivity, and that this should allow the creation of new generations of thermoelectric refrigerators and new ways of scavenging waste heat for useful purposes.

«For example, semiconductors are manufactured with intentional defects that form the «holes» that electrons jump into to produce electrical conductivity.

Professor Dresselhaus showed that these links can be changed for nanoscale structures, since it is possible to separately adjust the electrical and thermal conductivity of carbon nanotubes.

A new technology developed by researchers in Italy and the United Kingdom allows for the creation of graphene - based materials that can be interfaced with neurons without losing its electrical conductivity.

Graphene's mechanical stability, high electrical conductivity, and compatibility with a diverse array of carbonaceous functionalization chemistries makes it an alluring host system for novel gas sensors.

To measure the amount of salt in seawater, for instance, they might measure how well the solution conducts electricity, since the higher the level of dissolved salt, the higher the electrical conductivity of the water.

In numerous tests, the researcher and his team investigated the nano - material graphene, whose extremely high specific surface area of up to 2,600 m2 / g and high electrical conductivity practically cries out for use as an electrode material.

Blue Pikmin can move through water without drowning and let you dredge up fruit from ponds earlier in the game, while yellow Pikmin are critical for defeating the boss closest to where they are first located thanks to their electrical conductivity.

With its high electrical and thermal conductivity, copper is an ideal material for heat exchanger applications, like this copper heat sink for an LED light bulb.