germanium compounds hydrogenated

WebElements Periodic Table » Germanium » compounds

Element reactions. This section lists some binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and some other compounds of germanium. For each compound, a formal oxidation number for germanium is given, but the usefulness of this number is limited for p -block elements in particular.

Characterization of hydrogenated amorphous germanium ...

Hydrogenated nonstoichiometric germanium materials have been produced by x-ray activated-chemical vapor deposition from germane. The reactions pattern leading to the solid products has been investigated. The dose effect on the composition, the local bonding configuration, and structural characteristics of the deposited solids has been studied using infrared absorption and Raman

Characterization of hydrogenated amorphous germanium ...

Characterization of hydrogenated amorphous germanium compounds obtained by x-ray chemical vapor deposition of germane: Effect of the irradiation dose on optical parameters and structural order

Germanium Compounds - an overview | ScienceDirect Topics

Germanium compounds containing dithiocarbonate 179 and dithiophosphate 180,181 ligands which have Ge–S bonds have been prepared and structurally characterized. Compounds containing germanium and other group 14 elements held together by chalcogenide bridges have been synthesized such as the heavy bicyclo[2.2.2]octane derivatives which contain germanium and silicon in the

Germanium(II) hydrides - Wikipedia

The synthesis and isolation of two digermanium germanium(II) hydrides have also been reported. One of these compounds was formed by the addition of L-selectride to a bulky germanium(II) chloride in ether, while the other was formed by the addition of L-selectride to the same germanium(II) chloride in toluene, followed by filtration and the dropwise addition of PMe 3.

Germanium - Wikipedia

Germanium is a chemical element with the symbol Ge and atomic number 32. It is a lustrous, hard-brittle, grayish-white metalloid in the carbon group, chemically similar to its group neighbors silicon and tin.Pure germanium is a semiconductor with an appearance similar to elemental silicon. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature.

WO2011067411A1 - Method for producing hydrogenated ...

The invention relates to a method for producing hydrogenated polygermane as a pure compound or as a mixture of compounds, in which halogenated polygermane is hydrogenated. The invention also relates to a hydrogenated polygermane and to a germanium layer produced from the hydrogenated polygermane and to a method for the production thereof.

Applications of Germanium Compounds - Gelest

Germanium compounds have higher optical densities than silicon compounds. This leads to the second major application of germanium compounds: the controlled combustion of germanium tetrachloride with silicon tetra-chloride in a hydrogen-oxygen flame in chemical vapor axial deposition (CVAD) for the formation of ingots from

Organogermanium compound - Wikipedia

Organogermanium compounds are organometallic compounds containing a carbon to germanium or hydrogen to germanium chemical bond. Organogermanium chemistry is the corresponding chemical science. Germanium shares group 14 in the periodic table with silicon, tin and lead, and not surprisingly the chemistry of organogermanium is in between that of organosilicon compounds and organotin compounds.

Germanium iodide - Wikipedia

Germanium iodide is a chemical compound of germanium and iodine.Two such compounds exist: germanium(II) iodide GeI 2 and germanium(IV) iodide GeI 4.. Germanium(II) iodide is a yellow crystalline solid which decomposes on melting. Its specific density is 5.37 and it can be sublimed at 240 °C in a vacuum.. Germanium(IV) iodide is an orange-red crystalline solid with melting point 144 °C

Characterization of hydrogenated amorphous germanium ...

Nov 27, 2007 · Hydrogenated nonstoichiometric germanium materials have been produced by x-ray activated-chemical vapor deposition from germane. The reactions pattern leading to the solid products has been investigated. The dose effect on the composition, the local bonding configuration, and structural characteristics of the deposited solids has been studied using infrared absorption and Raman

Germanium dichloride | Cl2Ge - PubChem

Property Name Property Value Reference; Molecular Weight: 143.53: Computed by PubChem 2.1 (PubChem release 2021.08.13) Hydrogen Bond Donor Count: 0: Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18)

Ab initio study of germanium-hydride compounds under high ...

Feb 02, 2015 · Abstract. Motivated by the potential high-temperature superconductivity in hydrogen-rich materials and phase transitions, germanium-hydride compounds under high pressure were studied by a genetic algorithm. Enthalpy calculations suggest that the Ge and H will form Ge 3 H, Ge 2 H, GeH 3, and GeH 4 at about 32, 120, 280, and 280 GPa, respectively.

Characterization of hydrogenated amorphous germanium ...

Characterization of hydrogenated amorphous germanium compounds obtained by x-ray chemical vapor deposition of germane: Effect of the irradiation dose on optical parameters and structural order

Influence of hydrogen on the germanium incorporation in a ...

In this work, we examined the Ge incorporation and the accompanied defect formation during PECVD deposition of hydrogenated amorphous silicon-germanium alloys (a-Si 1-x Ge x:H).In particular, we studied the effect of hydrogen on film growth, defect formation, Ge and Si incorporation efficiencies, and the H-bonding configuration.

Germanium | Institute for Rare Earths and Metals

Germans are called the hydrogen compounds of germanium, which form a homologous series of different long chain molecules. Monogerman or germanium hydride (GeH4) is a gas used in the semiconductor industry for epitaxy and doping. Germanium prices. Chart Germanium 2004-2011.

Germanium - an overview | ScienceDirect Topics

Germanium-centred radicals can be obtained by direct radio- or photolysis of tetrahedral germanium compounds, abstraction of hydrogen from an organohydrogermane, abstraction of halogen from an organohalogermane, photodecomposition of organogermylmercury compounds and organogermyl ketones and single-electron transfer to germylenes. 1,275 These ...

Ge Organogermanium Compounds - Part 4: Compounds with ...

The present volume in the organogermanium series describes mononuclear compounds containing only germanium-carbon and germanium-hydrogen bonds (Chapter 1.3). Germanium hydrides with other additional non-carbon ligands, such as halogen or oxygen­ bonded groups, appear in later chapters according to the Gmelin principle of the last posi­ tion.

“N-type amorphous silicon-germanium thin films with ...

Hydrogenated amorphous silicon germanium alloys (a-SiGe:H) have been prepared by rf glow discharge of silane, germane, and hydrogen gas mixture at substrate temperature of 200 and 250 °C.

Organogermanium compound - Wikipedia

Organogermanium compounds are organometallic compounds containing a carbon to germanium or hydrogen to germanium chemical bond. Organogermanium chemistry is the corresponding chemical science. Germanium shares group 14 in the periodic table with silicon, tin and lead, and not surprisingly the chemistry of organogermanium is in between that of organosilicon compounds and organotin compounds.

Germanium - Element information, properties and uses ...

Germanium is a semiconductor. The pure element was commonly doped with arsenic, gallium or other elements and used as a transistor in thousands of electronic applications. Today, however, other semiconductors have replaced it. Germanium oxide has a high index of refraction and dispersion.

The Chemistry of Germanium | ScienceDirect

Germanium does not absorb nitrogen, but adsorbs H 2, CO and CO 2, H 2 O, alcohols, and oxygen- and halogen-containing compounds generally. When H 2 O is adsorbed and the Ge subsequently is heated, H 2 is liberated and a film of oxide forms on the surface.

Does germanium dissolve in water? – Mvorganizing.org

Apr 10, 2021 · Similar to silicon and aluminium, naturally-occurring germanium compounds tend to be insoluble in water and thus have little oral toxicity. However, synthetic soluble germanium salts are nephrotoxic, and synthetic chemically reactive germanium compounds with halogens and hydrogen are irritants and toxins.

WebElements Periodic Table » Germanium » the essentials

Germanium: isolation. Isolation: there is normally no need to make germanium in the laboratory as it is readily available commercially.Germanium is available through the treatment of germanium dioxide, GeO 2, with carbon or hydrogen.The extraction of germanium from flue dust is complex because of the difficulty in separating it from zinc, which is also present.

Compounds of Germanium and Hydrogen. III ...

Synthetic, Structural, and Theoretical Investigations of Alkali Metal Germanium Hydrides—Contact Molecules and Separated Ions. Chemistry - A European Journal 2007 , 13 (4) , 1309-1319.

Germanium-hydrogen bond strengths in germanes | Journal of ...

Acidity, Complexing, Basicity and H-Bonding of Organic Germanium, Tin and Lead Compounds: Experimental and Computational ResultsIn this chapter, full lines are used both for covalent chemical bonds as well as for partial bonds and for coordination..

Charge transport in nanocrystalline germanium/hydrogenated ...

Mixed phase thin films consisting of hydrogenated amorphous silicon (a-Si:H) in which germanium nanocrystals (nc-Ge) are embedded have been synthesized using a dual-chamber codeposition system. Raman spectroscopy and x-ray diffraction measurements confirm the presence of 4-4.5 nm diameter nc-Ge homogenously embedded within the a-Si:H matrix.

Hydrogenated amorphous silicon germanium black-matrix ...

Hydrogenated amorphous silicon germanium black-matrix material for active-matrix liquid-crystal displays Hagen Klauk, Steven L. Wright, Lauren F. Palmateer, Suzanne E. Mohney , Thomas N. Jackson Materials Science and Engineering

Carbon-hydrogen analysis of germanium-containing organic ...

MICROCHEMICAL JOURNAL 8, 383-388 (1964) Carbon-Hydrogen Analysis of Germanium-Containing Organic Compounds HERMAN PlETERS AND WIM J. BUIS Laboratory for Organic Chemistry, University of Amsterdam, Xieiiwe Achtergracht, The Netherlands Received September 28, 1964 INTRODUCTION The combustion of organometallic and organometalloid compounds often

Advances in Effect of Germanium or Germanium Compounds on ...

In addition, the germanium compounds can capture the hydrogen ions and other harmful ions in the metabolites, and play a role in purifying blood at different degrees [47] . 4.3. Antioxidant and Scavenging the Free Radicals. Germanium can scavenge the free radicals and enhance the body’s antioxidant capacity. As a result, organogermanium can ...

Applications of Germanium Compounds - Gelest

Germanium compounds have higher optical densities than silicon compounds. This leads to the second major application of germanium compounds: the controlled combustion of germanium tetrachloride with silicon tetra-chloride in a hydrogen-oxygen flame in chemical vapor axial deposition (CVAD) for the formation of ingots from

“N-type amorphous silicon-germanium thin films with ...

Hydrogenated amorphous silicon germanium alloys (a-SiGe:H) have been prepared by rf glow discharge of silane, germane, and hydrogen gas mixture at substrate temperature of 200 and 250 °C.

Ge Organogermanium Compounds: Part 4: Compounds with ...

The present volume in the organogermanium series describes mononuclear compounds containing only germanium-carbon and germanium-hydrogen bonds (Chapter 1.3). Germanium hydrides with other additional non-carbon ligands, such as halogen or oxygen­ bonded groups, appear in later chapters according to the Gmelin principle of the last posi­ tion.

Hypervalence in germanium compounds containing the ...

Mar 12, 2009 · All the germanium–sulfur, germanium–carbon and germanium–halogen bond distances agree very well with the corresponding covalent radii sum . In the diorganylgermanium compounds 2 and 3 , the S–Ge–S bond angles [117.12(4)° and 118.84(4)°] are significantly shorter than those found in compounds 4 , 5 and 6 [ranging from 120.60(7)° to ...

germanium | Infoplease

Germane (germanium tetrahydride) is a gas that decomposes at about 300°C to hydrogen and germanium; it is sometimes used in the production of semiconductor devices. A sulfide and numerous organo-germanium compounds are known.

Biologically Active Coordination Compounds of Germanium ...

Jul 18, 2021 · The effect of germanium on hydrogen ions is due to its organic form sesquioxide (O 1.5 GeCH 2 CH 2 COOH)n. This is due to the fact that organic germanium compounds readily deliver oxygen to any point in the body and ensure its interaction with hydrogen ions.

Ge Organogermanium Compounds - Part 4: Compounds with ...

The present volume in the organogermanium series describes mononuclear compounds containing only germanium-carbon and germanium-hydrogen bonds (Chapter 1.3). Germanium hydrides with other additional non-carbon ligands, such as halogen or oxygen­ bonded groups, appear in later chapters according to the Gmelin principle of the last posi­ tion.

Investigation of the formation of hydroperoxofluoro ...

Investigation of the formation of hydroperoxofluoro complexes of germanium in hydrogen peroxide solutions by NMR (in Russian) Full Record Other Related Research

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