Tellurium is a semiconductor that shows a greater electrical conductivity in certain directions which depends on atomic alignment ; the conductivity increases slightly when exposed to light ( photoconductivity ).

Tellurium generally forms compounds in which it has an oxidation state of − 2, + 4 or + 6, with the tetrapositive state being the most stable.

The " Big Sandstone " vein of quartzite was discovered at Bremo Bluff by the Tellurium Mine, which also had been a source of various precious metals since 1832.

Tellurium ( or ) is a chemical element with symbol Te and atomic number 52.

Tellurium is far more common in the universe as a whole than it is on Earth.

Tellurium is among the lightest elements known to undergo alpha decay, with isotopes < sup > 106 </ sup > Te to < sup > 110 </ sup > Te being able to undergo this mode of decay.

Tellurium is sometimes not regarded as a metalloid.

Tellurium is a semiconductor with an ( intrinsic ) electrical conductivity of around 1. 0 S • cm < sup >− 1 </ sup > and a band gap of 0. 32 to 0. 38 eV.

Tellurium is the lightest element observed to commonly undergo alpha decay, with isotopes < sup > 106 </ sup > Te to < sup > 110 </ sup > Te being seen to undergo this mode of decay.

Tellurium has also been used.

Oechslin followed the Astrolabium with two other astronomical watches, the Planetarium Copernicus ( 1988 ; named after the stargazing theaters called planetariums and the astronomer Copernicus ) and the Tellurium Johannes Kepler ( 1992 ; named after the element tellurium, and astronomer Johannes Kepler ).

Tellurium compounds are chemical compounds of the chemical element tellurium.

simple: Category: Tellurium compounds

Category: Tellurium compounds

Category: Tellurium compounds

Tellurium was discovered in Transylvania ( today part of Romania ) in 1782 by Franz-Joseph Müller von Reichenstein in a mineral containing tellurium and gold.

Tellurium has no biological function, although fungi can incorporate it in place of sulfur and selenium into amino acids such as tellurocysteine and telluromethionine.

Tellurium adopts a polymeric structure, consisting of zig-zag chains of Te atoms.

Tellurium appears as a silvery-white solid with a shiny lustre.

Tellurium shows fewer tendencies to anionic behaviour than ordinary nonmetals.

Tellurium dioxide finds application in laser and nonlinear optics.

Its surface consists of Selenium with trace amounts of Arsenic and Tellurium added ( SeAsTe ) to make the signal more stable.

He continued his studies at the University of Würzburg, completing his PhD thesis Galvanomagnetic Properties of Tellurium in Strong Magnetic Fields in 1972, and habilitation in 1978.

The chemical element Tellurium was named after Tellus by Martin Heinrich Klaproth in 1798.

* D. M. Chizhikov and V. P. Shchastlivyi, 1966, Tellurium and Tellurides, Nauka Publishing, Moscow

It is also possible, but equally doubtful, that he actually shot down the hundreds of men with which his legend credits him.

Let me pass over the trip to Sante Fe with something of the same speed which made Mrs. Roebuck `` wonduh if the wahtahm speed limit '' ( 35 m.p.h. ) `` is still in ee-faket ''.

The place is inhabited by several hundred warlike women who are anachronisms of the Twentieth Century -- stone age amazons who live in an all-female, matriarchal society which is self-sufficient ''.

It is the last of the three tests of manhood which the women impose, to discover if a male is worthy of survival there.

It took thirty of our women almost six moons to build this one, which is higher and stronger than the old one.

`` I'd like to know just which it is that those guys don't understand, the liquor or automobiles ''.

The woman eyed the youth with the avidity a coin collector might display toward a rare doubloon which is not yet in his collection.

It is these other differences between North and South -- other, that is, than those which concern discrimination or social welfare -- which I chiefly discuss herein.

It became the sole `` subject '' of `` international law '' ( a term which, it is pertinent to remember, was coined by Bentham ), a body of legal principle which by and large was made up of what Western nations could do in the world arena.

Of greater importance, however, is the content of those programs, which have had and are having enormous consequences for the American people.

Recognizing that the Rule of Law is `` a dynamic concept which should be employed not only to safeguard the civil and political rights of the individual in a free society '', the Congress asserted that it also included the responsibility `` to establish social, economic, educational and cultural conditions under which his legitimate aspirations and dignity may be realized ''.

For better or for worse, we all now live in welfare states, the organizing principle of which is collective responsibility for individual well-being.

That is particularly true of sovereignty when it is applied to democratic societies, in which `` popular '' sovereignty is said to exist, and in federal nations, in which the jobs of government are split.

In a semiconductor diode, the anode is the P-doped layer which initially supplies holes to the junction.

This partnership also helped to co-develop copper-based semiconductor technology, which would become a cornerstone of the K7 production process.

The ease with which electrons in the semiconductor can be excited from the valence band to the conduction band depends on the band gap between the bands.

Conduction in semiconductor devices may occur by a combination of drift and diffusion, which is proportional to diffusion constant and charge density.

In a semiconductor diode, the cathode is the N – doped layer of the PN junction with a high density of free electrons as a result of doping, and an equal density of fixed positive charges, which are the dopants that have been thermally ionized.

Electrochemistry is a branch of chemistry that studies chemical reactions which take place in a solution at the interface of an electron conductor ( a metal or a semiconductor ) and an ionic conductor ( the electrolyte ), and which involve electron transfer between the electrode and the electrolyte or species in solution.

The body simply refers to the bulk of the semiconductor in which the gate, source and drain lie.

White light-emitting diodes ( LEDs ) became available in the mid-1990s as LED lamps, in which blue light emitted from the semiconductor strikes phosphors deposited on the tiny chip.

Historically the first decade of semiconductor electronics were entirely based on germanium, although its production for such use today is a small fraction ( 2 %) of that of ultra-high purity silicon, which has largely replaced it.

The semiconductor logic gate, on the other hand, acts as a high-gain voltage amplifier, which sinks a tiny current at its input and produces a low-impedance voltage at its output.

Bare uncoated semiconductors such as silicon exhibit a very high refractive index relative to open air, which prevents passage of photons at sharp angles relative to the air-contacting surface of the semiconductor.

:* Polymer properties, synthesis, and characterization, for a specialized understanding of how polymers behave, how they are made, and how they are characterized ; exciting applications of polymers include liquid crystal displays ( LCDs, the displays found in most cell phones, cameras, and iPods ), novel photovoltaic devices based on semiconductor polymers ( which, unlike the traditional silicon solar panels, are flexible and cheap to manufacture, albeit with lower efficiency ), and membranes for room-temperature fuel cells ( as proton exchange membranes ) and filtration systems in the environmental and biomedical fields

After preparing a large number of MEMS devices on a silicon wafer, individual dies have to be separated, which is called die preparation in semiconductor technology.

Digital cameras use photosensitive electronics, either charge-coupled device ( CCD ) or complementary metal – oxide – semiconductor ( CMOS ) image sensors, consisting of a large number of single sensor elements, each of which records a measured intensity level.

In the 1990s, the company spun off its semiconductor products as Conexant Technologies ( CNXT ), which is publicly traded and based in Newport Beach, California.

When the coil is energized with direct current, a diode is often placed across the coil to dissipate the energy from the collapsing magnetic field at deactivation, which would otherwise generate a voltage spike dangerous to semiconductor circuit components.

The ease with which electrons in the semiconductor can be excited from the valence band to the conduction band depends on the band gap.

The effective mass is important as it affects many of the electrical properties of the semiconductor, such as the electron or hole mobility, which in turn influences the diffusivity of the charge carriers and the electrical conductivity of the semiconductor.

Nanomanipulation via STM of a Self-assembly | self-assembled organic semiconductor monolayer ( here: PTCDA molecules ) on graphite, in which the logo of the Center for NanoScience ( CeNS ), Ludwig Maximilian University of Munich | LMU has been written.

The development of modern semiconductor electronics negated the advantages of designs ( such as the regenerative receiver ) which used fewer vacuum tubes.

Metal – semiconductor FETs ( MESFETs ) are JFETs in which the reverse biased p-n junction is replaced by a metal – semiconductor junction.

** OFET Organic Field-Effect Transistor, in which the semiconductor is an organic compound