Tellurium belongs to the chalcogen (group 16) family of elements on the periodic table, which also includes oxygen, sulfur, selenium and polonium: Tellurium and selenium compounds are similar. (wikipedia.org)
instead, the sulfur ligands coordinate to the tellurium as heavier congeners to a tellurate. (wikipedia.org)
Chalcogenide materials belong to a distinctive class of compounds containing elements from the chalcogen group, including sulfur (S), selenium (Se), and tellurium (Te). (techbriefs.com)
Such reversibility has been demonstrated in various chalcogenides − −any compound formed with elements from group 16 of the periodic table (such as sulfur, selenium and tellurium), but not in transition metal oxides (compounds of oxygen and any elements found in the middle portion of the periodic table, specifically in groups 3 through 12) − −at least until now. (tohoku.ac.jp)
Customer The Client is a Canadian company leading producer of specialty metals and chemical products, such as tellurium, cadmium and selenium and related compounds. (prab.com)
Metals6
The −2 oxidation state is exhibited in binary compounds with many metals, such as zinc telluride, ZnTe, produced by heating tellurium with zinc. (wikipedia.org)
NOx is generated from many processes including nitration process, for both organic and several inorganic compounds (including a few important metals). (chinaqualitycrafts.com)
This notably include selenium and tellurium, metals which often take a toxic form in association with mining activities. (sru.edu)
Bahramy and colleagues studied these electronic states in materials called transition metal dichalcogenides (TMDs), which are made from metals such as platinum or palladium and an element from the chalcogen family, such as selenium or tellurium. (riken.jp)
Information on levels of exposure to these compounds is essential to determine the need for regulatory mechanisms to reduce the levels of hazardous pollutants to which the general population is exposed and to establish population-based reference intervals for several potentially toxic metals. (cdc.gov)
Chalcogen2
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Chalcogen (i.e. (justia.com)
Justia Patents Organic Compounds -- Part Of The Class 532-570 Series Patents Organic Compounds (class 532, Subclass 1) Heterocyclic Carbon Compounds Containing A Hetero Ring Having Chalcogen (i.e. (justia.com)
Inorganic2
98% Fumed Alumina Fumed Alkyl Oxide Alumina (aluminium dioxide) is an inorganic compound with the chemical formula Al2O3. (mis-asia.com)
Using inorganic zinc-based compounds as a template during synthesis, they prepared nanostructured hard carbon, which exhibits excellent performance in both alternative batteries. (sciencedaily.com)
Selenium compounds2
Tables 5-1 and 5-2 list facilities in each state that produce, process, or import selenium and selenium compounds, respectively, for commercial use. (cdc.gov)
Table 5-3 lists some specific uses of selected selenium compounds. (cdc.gov)
Hypervalent2
Hypervalent tellurium compounds (telluranes) are promising therapeutical agents with negligible toxicities for some diseases in animal models. (unifesp.br)
Recently, extended hypervalent bonds are shown to play an important role in physical, chemical and biological properties of the compounds [ 41 - 50 ]. (hindawi.com)
The other two forms of trioxide reported in the literature, the α- and γ- forms, were found not to be true oxides of tellurium in the +6 oxidation state, but a mixture of Te4+ , OH− and O− 2. (wikipedia.org)
Tellurium also exhibits mixed-valence oxides, Te 2O 5 and Te 4O 9. (wikipedia.org)
The tellurium oxides and hydrated oxides form a series of acids, including tellurous acid (H 2TeO 3), orthotelluric acid (Te(OH) 6) and metatelluric acid ((H 2TeO 4) n). (wikipedia.org)
Cations2
The latter cation is formed by the reaction of tellurium with tungsten hexachloride: 8 Te + 2 WCl 6 → Te2+ 8(WCl− 6) 2 Interchalcogen cations also exist, such as Te 2Se2+ 6 (distorted cubic geometry) and Te 2Se2+ 8. (wikipedia.org)
Density functional theory calculations reveal that the preferen tial interaction of the iodide anion with tellurium is determined by the polarization of the lowest unoccupied molecular orbital [σ*(E−Te)] of the cations in 2a and 2b toward tellurium and that the formation of the dimers 3a and 3b with a central Te−Te linkage is energetically more favorable than the structural isomers with either E−Te or E−E bonds. (jyu.fi)
Zinc2
Under hydrogen atmospheric conditions, tellurium is heated with zinc and sublimated to make reddish brown zinc telluride. (iberocruceros.com)
Zinc Telluride can be described as a binary compound having the chemical formula ZnTe. (iberocruceros.com)
Dioxide3
Tellurium monoxide was first reported in 1883 as a black amorphous solid formed by the heat decomposition of TeSO 3 in vacuum, disproportionating into tellurium dioxide, TeO 2 and elemental tellurium upon heating. (wikipedia.org)
Tellurium dioxide is formed by heating tellurium in air, where it burns with a blue flame. (wikipedia.org)
Commercially1
The team sealed the respective transition-metal powder (Nb, V, or Ti) together with tellurium and commercially available end-opened MWCNTs under vacuum in a quartz ampule. (chemistryviews.org)
Detectors1
ZnSe activated with tellurium is used in x-ray and gamma ray detectors as a scintillator. (pveducation.org)
It is an alloy of two metallic elements (Bismuth and tellurium), also known as Bismuth (III) telluride. (mis-asia.com)
Crystals2
CMPMS Division senior physicist Genda Gu first grew high-quality single crystals of the iron-based compound. (bnl.gov)
This compound has ruby-red crystals and grayish-red powder. (iberocruceros.com)
Binary1
ZnSe is a light yellow binary solid compound that is rarely occurs in nature. (pveducation.org)
Organic1
Alumina Al2O3 is an organic compound with the chemical composition Al2O3. (mis-asia.com)
Belongs1
The particular compound belongs to the family of iron-based high-temperature superconductors, which were initially discovered in 2008. (bnl.gov)
Yields1
Treatment of 500 tons of copper ore typically yields one pound of tellurium. (espimetals.com)
Thiols1
Tellurium does not readily form analogues of alcohols and thiols, with the functional group -TeH, that are called tellurols. (wikipedia.org)
Temperature2
These compounds, composed of three atoms of tellurium and a single atom of one of the rare earth elements, demonstrate unique electronic properties that can be controlled by altering the temperature of the material. (stanford.edu)
Using electrical conductance tests at Stanford and x-ray diffraction measurements at SSRL Beam Lines 11-3 and 7-2, the group found that, when tellurium is combined with rare earth elements - in this case erbium and terbium - the CDW can be induced by manipulating the temperature of the compound. (stanford.edu)
Synthesis1
Many of these arise from the action of tellurium metal on polysulfide anions, although a solid-state synthesis is also possible. (wikipedia.org)
Copper2
When in its molten state, tellurium is corrosive to copper, iron and stainless steel. (espimetals.com)
Derivation: The principal source of tellurium is from anode sludges which are produced during the electrolytic refining of blister copper. (espimetals.com)
Bacteria4
The compounds, which mimic antimicrobial peptides found in biological immune systems, function as molecular "hole punchers," punching holes in the membranes of bacteria, according to Gerard Wong, University of Illinois researcher who led the study. (stanford.edu)
The researchers also determined why some compounds punch holes only in bacteria, while others kill everything within reach, including human cells. (stanford.edu)
Though, when observing some of the bacteria that were able to thrive in the AMD environments, Maltman suggested that there might be another possible component to environmental remediation planning: bacteria that are able to break down toxic materials into safer compounds. (sru.edu)
When results of the types of bacteria that resided in the AMD and treated sites came back, the team discovered strains of bacteria that could grow in the presence of highly toxic compounds. (sru.edu)
In the case of erbium, the group found that the compound actually has two threshold temperatures, which induce CDWs that occur at 90 degrees to one another. (stanford.edu)
Now, scientists studying a compound containing iron, tellurium, and selenium have found that an energy band gap opens at a point where two allowed energy bands intersect on the material's surface. (bnl.gov)
The team found that the desired MTe 3 compounds can be isolated in forms from many chains, to few chains (between two and four), and down to single-chain samples, depending on the cavity diameter of the MWCNTs. (chemistryviews.org)
Biological1
The C-Te bond of organotellurium compounds is commonly considered unstable, disfavoring their applicability in biological studies. (unifesp.br)
Group3
In the +6 oxidation state, the -OTeF 5 structural group occurs in a number of compounds such as HOTeF 5, B(OTeF 5) 3, Xe(OTeF 5) 2, Te(OTeF 5) 4 and Te(OTeF 5) 6. (wikipedia.org)
Scientific hazard lists sometimes specify a chemical group (such as trimethyltin compounds) without a defined list of CASRNs. (pharosproject.net)
See the Compound Group Population Project for more information on how these groups are determined. (pharosproject.net)
Structures2
1 - 3 are prepared and the structures of some compounds are determined by the X-ray crystallographic analysis. (hindawi.com)
The researchers first synthesized a prototypical class of antimicrobial compounds, then in part used synchrotron small-angle x-ray scattering at SSRL Beam Line 4-2 to examine the structures made by the synthetic compounds and cell membranes. (stanford.edu)
Bond1
The five-membered rings in 2a and 2b both display an elongated E−Te bond as a consequence of an interaction between tellurium and the iodide anion. (jyu.fi)
Toxic1
Hazards: Tellurium and tellurium compounds are considered to be mildly toxic and need to be handled with care and not reported as carcinogenic. (espimetals.com)
Class1
Researchers have now deciphered the molecular mechanism behind selective antimicrobial activity for a prototypical class of synthetic compounds. (stanford.edu)
Similar1
These compounds can exist as two-dimensional materials, similar to the most famous two-dimensional material, graphene. (riken.jp)
Materials1
Stanford University researchers working in part at SSRL have discovered a novel set of properties pertaining to a compound of materials called tritellurides. (stanford.edu)
Elements1
Tellurium, when crystallized into quasi-two-dimensional planes and combined with rare earth elements, produces a material with CDWs that can be manipulated and controlled. (stanford.edu)
Form1
The other halogens do not form halides with tellurium in the +6 oxidation state, but only tetrahalides (TeCl 4, TeBr 4 and TeI 4) in the +4 state, and other lower halides (Te 3Cl 2, Te 2Cl 2, Te 2Br 2, Te 2I and two forms of TeI). (wikipedia.org)
State1
Compounds 2a, 2b, 3a, 3b, 4a, 4b, and 4c have been characterized in solution by multinuclear NMR spectroscopy and in the solid state by X-ray crystallography. (jyu.fi)
High2
It is also a type of high-hardness compound. (mis-asia.com)
Tellurium is far more common in the universe as a whole than on Earth comparable to that of platinum partly due to its high atomic number and also due to the element being lost to space as a gas during the hot-nebular formation of the planet. (espimetals.com)