American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopeia/British Pharmacopeia) and follows applicable ASTM testing standards.See safety data and research below and pricing/lead time above. American Elements specializes in producing high purity Vanadium Molybdenum Sputtering Targets with the highest possible density and smallest possible average grain sizes for use in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications. Our standard Sputtering Targets for thin film are available monoblock or bonded with dimensions and configurations up to 820 mm with hole drill locations and threading, beveling, grooves and backing designed to work with both older sputtering devises as well as the latest process equipment, such as large area coating for solar energy or fuel cells and flip-chip applications. Research sized targets are also produced as well as custom sizes and alloys. All targets are analyzed using best demonstrated techniques including X-Ray Fluorescence (XRF), Glow Discharge Mass Spectrometry (GDMS), and Inductively Coupled Plasma (ICP). "Sputtering" allows for thin film deposition of an ultra high purity sputtering metallic or oxide material onto another solid substrate by the controlled removal and conversion of the target material into a directed gaseous/plasma phase through ionic bombardment. We can also provide targets outside this range in addition to just about any size rectangular, annular, or oval target. Materials are produced using crystallization, solid state and other ultra high purification processes such as sublimation. American Elements specializes in producing custom compositions for commercial and research applications and for new proprietary technologies. American Elements also casts any of the rare earth metals and most other advanced materials into rod, bar or plate form, as well as other machined shapes and through other processes such as nanoparticles (See also application discussion at Nanotechnology Information and at Quantum Dots) and in the form of solutions and organometallics. We also produce Vanadium as disc, granules, ingot, pellets, pieces, powder, and rod. Other shapes are available by request.
Vanadium is a Block D, Group 5, Period 4 element. The number of electrons in each of Vanadium's shells is 2, 8, 11, 2 and its electronic configuration is [Ar] 3d3 4s2. In its elemental form vanadium's CAS number is 7440-62-2. The vanadium atom has a radius of 131.1.pm and it's Van der Waals radius is 200.pm. Several vanadium compounds are toxic to some creatures despite the fact that it is an essential trace element. Vanadium is highly resistant to corrosion, so it is commonly used to alloy stainless steel grades. Vanadium compounds are used in advanced ceramics. Vanadium is a petrochemical cracking catalyst. Vanadium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder. Vanadium information, including Technical Data, Safety Data and its high purity properties , research , applications and other useful facts are discussed here . Scientific facts such as the atomic structure, ionization energy , abundance on Earth , conductivity and thermal properties are included. Vanadium was first discovered in Mexico City by Andres Manuel del Rio, a Spanish born and European educated Mexican mineralogist, in 1801. In honor of its beautiful multi-colored compounds, Vanadium was named after the word "Vanadis" meaning goddess of beauty in Scandinavian mythology. See Vanadium research below.
Molybdenum is a Block D, Group 6, Period 5 element. The number of electrons in each of Molybdenum's shells is 2, 8, 18, 13, 1 and its electronic configuration is [Kr] 4d5 5s1. In its elemental form molybdenum's CAS number is 7439-98-7. The molybdenum atom has a radius of 136.3.pm and it's Van der Waals radius is 200.pm. Molybdenum is toxic unless it is in small quantities. Molybdenum has the third highest melting point of any element, exceeded only by tungsten and tantalum. Molybdenum is a catalyst in the oil refining. It has many other applications, including in catalysts, pigments, corrosion inhibitors and lubricants. It has a very high elastic modulus. Molybdenum is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder. It is used in steel alloys to add hardness and raise melting points. It is a component in Hastelloys brand steel. Molybdenum is used in nuclear reactors and aerospace components. Molybdenum was first discovered by Carl Wilhelm in 1778. The origin of the name Molybdenum comes from the Greek word molubdos meaning lead. See Molybdenum research below.
PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.
Distorted cubic tetranuclear vanadium(iv) phosphonate cages: double-four-ring (D4R) containing transition metal ion phosphonate cages.
Chandrasekhar V, Dey A, Senapati T, Sañudo EC.
Dalton Trans. 2011 Nov 10. [Epub ahead of print]
PMID:
22071886
[PubMed - as supplied by publisher]
Bioavailability, tissue distribution and hypoglycaemic effect of vanadium in magnesium-deficient rats.
Sánchez C, Torres M, Bermúdez-Peña MC, Aranda P, Montes-Bayón M, Sanz-Medel A, Llopis J.
Magnes Res. 2011 Nov 9. [Epub ahead of print]
PMID:
22068015
[PubMed - as supplied by publisher]
An alternative path for the evolution of biological nitrogen fixation.
Boyd ES, Hamilton TL, Peters JW.
Front Microbiol. 2011;2:205. Epub 2011 Oct 5.
PMID:
22065963
[PubMed]
(4-Bromo-2-{[2-(morpholin-4-yl)ethyl-imino]-meth-yl}phenolato)dioxido-vanadium(V).
Wang CY, Wu X, Cao F, Yuan CJ.
Acta Crystallogr E Struct Rep Online. 2011 Oct 1;67(Pt 10):m1330. Epub 2011 Sep 14.
PMID:
22065600
[PubMed]
A new mixed group 5 metal selenide, Nb(1.41)V(0.59)Se(9).
Lee E, Yun H.
Acta Crystallogr E Struct Rep Online. 2011 Sep 1;67(Pt 9):i50. Epub 2011 Aug 27.
PMID:
22064790
[PubMed]
Catalytic dehydration of xylose to furfural: vanadyl pyrophosphate as source of active soluble species.
Sádaba I, Lima S, Valente AA, López Granados M.
Carbohydr Res. 2011 Oct 8. [Epub ahead of print]
PMID:
22055820
[PubMed - as supplied by publisher]
Chemical speciation of vanadium in particulate matter emitted from diesel vehicles and urban atmospheric aerosols.
Shafer MM, Toner B, Overdier J, Schauer JJ, Fakra SC, Herner J, Hu S, Ayala A.
Environ Sci Technol. 2011 Nov 3. [Epub ahead of print]
PMID:
22050708
[PubMed - as supplied by publisher]
Chemical Vapor Deposition Synthesis of Tunable Unsubstituted Polythiophene.
Nejati S, Lau KK.
Langmuir. 2011 Nov 2. [Epub ahead of print]
PMID:
22047472
[PubMed - as supplied by publisher]
VCl(3) catalyzed imine-based multicomponent reactions for the facile access of functionalized tetrahydropyridines and ß-amino carbonyls.
Pal S, Choudhury LH, Parvin T.
Mol Divers. 2011 Nov 1. [Epub ahead of print]
PMID:
22042610
[PubMed - as supplied by publisher]
Interplay between the structural and magnetic probes in the elucidation of the structure of a novel 2D layered [V(4)O(4)(OH)(2)(O(2)CC(6)H(4)CO(2))(4)]·DMF.
Djerdj I, Skapin SD, Ceh M, Jaglicic Z, Pajic D, Kozlevcar B, Orel B, Orel ZC.
Dalton Trans. 2011 Oct 31. [Epub ahead of print]
PMID:
22042096
[PubMed - as supplied by publisher]
Interdigitating Organic Bilayers Direct the Short Interlayer Spacing in Hybrid Organic-Inorganic Layered Vanadium Oxide Nanostructures.
Gannon GT, O'Dwyer CP, Larsson JA, Thompson D.
J Phys Chem B. 2011 Oct 31. [Epub ahead of print]
PMID:
22040010
[PubMed - as supplied by publisher]
Hepatic megalocytosis due to vanadium inhalation: participation of oxidative stress.
Cano-Gutiérrez G, Acevedo-Nava S, Santamaría A, Altamirano-Lozano M, Cano-Rodríguez MC, Fortoul TI.
Toxicol Ind Health. 2011 Oct 27. [Epub ahead of print]
PMID:
22033424
[PubMed - as supplied by publisher]
Recent perspectives into biochemistry of decavanadate.
Aureliano M, Fct, Algarve UO, Gambelas, Faro 8, Portugal.
World J Biol Chem. 2011 Oct 26;2(10):215-225.
PMID:
22031844
[PubMed - as supplied by publisher]
Association between plate location and plate removal following facial fracture repair.
Kubota Y, Kuroki T, Akita S, Koizumi T, Hasegawa M, Rikihisa N, Mitsukawa N, Satoh K.
J Plast Reconstr Aesthet Surg. 2011 Oct 24. [Epub ahead of print]
PMID:
22030077
[PubMed - as supplied by publisher]
Vanadium Oxide Nanotube Spherical Clusters Prepared on Carbon Fabrics for Energy Storage Applications.
Perera SD, Patel B, Bonso J, Grunewald M, Ferraris JP, Balkus KJ.
ACS Appl Mater Interfaces. 2011 Nov 4. [Epub ahead of print]
PMID:
22029527
[PubMed - as supplied by publisher]
Exchange Interactions Through p-p Stacking in the Lamellar Compound [{Cu(bipy)(en)}{Cu(bipy)(H(2)O)}{VO(3)}(4)](n).
Venegas-Yazigi D, Brown KA, Vega A, Calvo R, Aliaga C, Santana RC, Cardoso-Gil R, Kniep R, Schnelle W, Spodine E.
Inorg Chem. 2011 Oct 25. [Epub ahead of print]
PMID:
22026723
[PubMed - as supplied by publisher]
MCM-41 supported oxo-vanadium(IV) complex: A highly selective heterogeneous catalyst for bromination of hydroxy aromatic compounds in water.
Bhunia S, Saha D, Koner S.
Langmuir. 2011 Oct 25. [Epub ahead of print]
PMID:
22026477
[PubMed - as supplied by publisher]
Electronic Properties of Vanadium-Doped TiO(2).
Islam MM, Bredow T, Gerson A.
Chemphyschem. 2011 Oct 24. doi: 10.1002/cphc.201100557. [Epub ahead of print]
PMID:
22025455
[PubMed - as supplied by publisher]
Design and Redox Function of Conjugated Complexes with Polyanilines or Quinonediimines.
Moriuchi T, Hirao T.
Acc Chem Res. 2011 Oct 24. [Epub ahead of print]
PMID:
22023138
[PubMed - as supplied by publisher]
The Tetrahydrometalate Species VH2(H2), NbH4, and TaH4: Matrix Infrared Spectra and Quantum Chemical Calculations.
Wang X, Andrews L.
J Phys Chem A. 2011 Oct 24. [Epub ahead of print]
PMID:
22017260
[PubMed - as supplied by publisher]
Process development for the separation and recovery of Mo and Co from chloride leach liquors of petroleum refining catalyst by solvent extraction.
Banda R, Sohn SH, Lee MS.
J Hazard Mater. 2012 Jan 9. [Epub ahead of print]
PMID:
22336581
[PubMed - as supplied by publisher]
Selective cleavage of pepsin by molybdenum metallopeptidase.
Yenjai S, Malaikaew P, Liwporncharoenvong T, Buranaprapuk A.
Biochem Biophys Res Commun. 2012 Feb 5. [Epub ahead of print]
PMID:
22330807
[PubMed - as supplied by publisher]
Iminopyridine Complexes of Manganese, Rhenium, and Molybdenum Derived from Amino Ester Methylserine and Peptides Gly-Gly, Gly-Val, and Gly-Gly-Gly: Self-Assembly of the Peptide Chains.
Alvarez CM, García-Rodríguez R, Miguel D.
Inorg Chem. 2012 Feb 13. [Epub ahead of print]
PMID:
22329711
[PubMed - as supplied by publisher]
Low-Temperature, Solution-Processed MoO(x) for Efficient and Stable Organic Solar Cells.
Zilberberg K, Gharbi H, Behrendt A, Trost S, Riedl T.
ACS Appl Mater Interfaces. 2012 Feb 15. [Epub ahead of print]
PMID:
22324481
[PubMed - as supplied by publisher]
A molecular MoS? edge site mimic for catalytic hydrogen generation.
Karunadasa HI, Montalvo E, Sun Y, Majda M, Long JR, Chang CJ.
Science. 2012 Feb 10;335(6069):698-702.
PMID:
22323816
[PubMed - in process]
The use of total reflectance X-ray fluorescence (TXRF) for the determination of metals in the pharmaceutical industry.
Antosz FJ, Xiang Y, Diaz AR, Jensen AJ.
J Pharm Biomed Anal. 2012 Jan 16. [Epub ahead of print]
PMID:
22316622
[PubMed - as supplied by publisher]
Kinetic Resolution of Planar-Chiral (?(6) -Arene)Chromium Complexes by Molybdenum-Catalyzed Asymmetric Ring-Closing Metathesis.
Ogasawara M, Wu WY, Arae S, Watanabe S, Morita T, Takahashi T, Kamikawa K.
Angew Chem Int Ed Engl. 2012 Feb 3. doi: 10.1002/anie.201108292. [Epub ahead of print]
PMID:
22308166
[PubMed - as supplied by publisher]
Measurement of mass attenuation coefficients of Rhizophora spp. binderless particleboards in the 16.59-25.26keV photon energy range and their density profile using x-ray computed tomography.
Marashdeh MW, Bauk S, Tajuddin AA, Hashim R.
Appl Radiat Isot. 2012 Jan 20. [Epub ahead of print]
PMID:
22304963
[PubMed - as supplied by publisher]
Nitrite and Nitrite Reductases: From Molecular Mechanisms to Significance in Human Health and Disease.
Castiglione N, Rinaldo S, Giardina G, Stelitano V, Cutruzzolà F.
Antioxid Redox Signal. 2012 Feb 5. [Epub ahead of print]
PMID:
22304560
[PubMed - as supplied by publisher]
Molybdenum(vi) catalysts obtained from ?(3)-allyl dicarbonyl precursors: Synthesis, characterization and catalytic performance in cyclooctene epoxidation.
Gamelas CA, Gomes AC, Bruno SM, Almeida Paz FA, Valente AA, Pillinger M, Romão CC, Gonçalves IS.
Dalton Trans. 2012 Feb 2. [Epub ahead of print]
PMID:
22302175
[PubMed - as supplied by publisher]
Field-Effect Tunneling Transistor Based on Vertical Graphene Heterostructures.
Britnell L, Gorbachev RV, Jalil R, Belle BD, Schedin F, Mishchenko A, Georgiou T, Katsnelson MI, Eaves L, Morozov SV, Peres NM, Leist J, Geim AK, Novoselov KS, Ponomarenko LA.
Science. 2012 Feb 2. [Epub ahead of print]
PMID:
22300848
[PubMed - as supplied by publisher]
Spectroscopic reflectometry of mirror surfaces during plasma exposure.
Wisse M, Eren B, Marot L, Steiner R, Meyer E.
Rev Sci Instrum. 2012 Jan;83(1):013509.
PMID:
22299953
[PubMed - in process]
[Absorption characteristics of molybdenum by reed and cattail].
Lian JJ, Xu SG, Han CW.
Huan Jing Ke Xue. 2011 Nov;32(11):3335-40. Chinese.
PMID:
22295632
[PubMed - in process]
Conserved Signal Peptide Recognition Systems across the Prokaryotic Domains.
Coulthurst SJ, Dawson A, Hunter WN, Sargent F.
Biochemistry. 2012 Feb 13. [Epub ahead of print]
PMID:
22289056
[PubMed - as supplied by publisher]
Two methods can simultaneously display both intramuscular nerves and blood vessels.
Yu DZ, Liu AT, Zhang JL, Dang RS, Chen G, Liu BL, Han T, Yi J, Nagasao T, Jiang H.
Plast Reconstr Surg. 2012 Feb;129(2):401-11.
PMID:
22286423
[PubMed - in process]
Synthesis, characterization and biological activities of some new chromium molybdenum and tungsten complexes with 2,6-diaminopyridine.
Soliman AA, Ali SA, Marei AH, Nassar DH.
Spectrochim Acta A Mol Biomol Spectrosc. 2012 Apr;89:329-32. Epub 2011 Dec 30.
PMID:
22286054
[PubMed - in process]
Tuning the Photochromic Properties of Molybdenum Bisphosphonate Polyoxometalates.
El Moll H, Dolbecq A, Mbomekalle IM, Marrot J, Deniard P, Dessapt R, Mialane P.
Inorg Chem. 2012 Jan 27. [Epub ahead of print]
PMID:
22283587
[PubMed - as supplied by publisher]
In vivo evaluation of defined polished titanium surfaces to prevent soft tissue adhesion.
Hayes JS, Welton JL, Wieling R, Richards RG.
J Biomed Mater Res B Appl Biomater. 2012 Jan 27. doi: 10.1002/jbm.b.31967. [Epub ahead of print]
PMID:
22282225
[PubMed - as supplied by publisher]
Reaction dynamics of Mo + O(2) ? MoO + O studied by a crossed-beam velocity map imaging technique.
Honma K, Matsumoto Y.
J Chem Phys. 2012 Jan 21;136(3):034301.
PMID:
22280754
[PubMed - in process]
A new class of electrocatalysts for hydrogen production from water electrolysis: metal monolayers supported on low-cost transition metal carbides.
Esposito DV, Hunt ST, Kimmel YC, Chen JG.
J Am Chem Soc. 2012 Feb 15;134(6):3025-33. Epub 2012 Feb 1.
PMID:
22280370
[PubMed - in process]
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