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Your search keyword '"Fokwa, Boniface P. T."' showing total 10 results
10 results on '"Fokwa, Boniface P. T."'

1. ChemInform Abstract: Experimental and First-Principles Studies of the Ternary Borides Ta3Ru5B2 and M3-xRu5+xB2 (M: Zr, Hf).

Author

Hermus, Martin and Fokwa, Boniface P. T.

Subjects
*BORIDES, *BORON compounds, *ORGANIC compounds, *CHEMICAL equations, *ORGANIC synthesis
Abstract

The ternary borides Ta3Ru5B2, Zr2.86Ru5.14B2, and Hf2.83Ru5.17B2 are synthesized by arc-melting of stoichiometric mixtures of the elements (Ar, Cu crucibles). [ABSTRACT FROM AUTHOR]

Published
2014
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2. ChemInform Abstract: V1+xNb1-xIrB2 (x ≈ 0.1), the First Quaternary Metal-Rich Boride Adopting the Mo2IrB2-Type Structure: Synthesis, Crystal and Electronic Structure and Bonding Analysis.

Author

Goerens, Christian and Fokwa, Boniface P. T.

Abstract

The polycrystalline title compound and single crystals thereof are prepared by arc-melting of a stoichiometric pelletized mixture of the elements (Cu crucible under Ar) and characterized by XRD and EDX. [ABSTRACT FROM AUTHOR]

Published
2013
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4. ChemInform Abstract: Unexpected Synergy Between Magnetic Iron Chains and Stacked B6 Rings in Nb6Fe1-xIr6+xB8.

Author

Mbarki, Mohammed, Touzani, Rachid St., and Fokwa, Boniface P. T.

Subjects
*MAGNETISM, *NIOBIUM compounds, *METAL quenching, *SINGLE crystals, *X-ray diffraction
Abstract

Highly crystalline Nb6Fe1-xIr6+xB8 (68% yield) is prepared from the elements in the molar ratio of Nb:Fe:Ir:B = 6:1:6:9 by rapid arc melting and quenching. [ABSTRACT FROM AUTHOR]

Published
2015
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5. ChemInform Abstract: Nb2OsB2, with a New Twofold Superstructure of the U3Si2 Type: Synthesis, Crystal Chemistry and Chemical Bonding.

Author

Mbarki, Mohammed, Touzani, Rachid St., and Fokwa, Boniface P. T.

Subjects
*CHEMICAL synthesis, *CHEMICAL bonds, *X-ray diffraction, *NIOBIUM compounds, *STRUCTURAL stability, *ELECTRONIC structure
Abstract

The new title compound is synthesized by arc melting of the elements in a water-cooled Cu crucible under argon (ratio 7:6:8 for Nb:Os:B, 80% yield). [ABSTRACT FROM AUTHOR]

Published
2013
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8. ChemInform Abstract: Drastic Change of Magnetic Interactions and Hysteresis Through Site-Preferential Ru/Ir Substitution in Sc2FeRu5-xIrB2.

Author

Hermus, Martin, Yang, Minghui, Gruener, Daniel, DiSalvo, Francis J., and Fokwa, Boniface P. T.

Subjects
*RUTHENIUM compounds, *HYSTERESIS, *SUBSTITUTION reactions, *MAGNETIC properties of metals, *MELTING, *CHEMICAL sample preparation, *CHEMICAL structure
Abstract

Sc2FeRu5-xIrxB2 (x: 1, 2, 3, 4) are prepared by arc melting of the elements several times under Ar (20 s, 40 A). [ABSTRACT FROM AUTHOR]

Published
2014
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9. ChemInform Abstract: Scaffolds of Magnetically Active 3d Metals in the Valence Electron Controlled Borides Ti9-xM2+xRu18B8 (M: Cr-Ni; x = 0.5-1): Structural, Electronic and Magnetic Properties.

Author

Goerens, Christian, Brgoch, Jakoah, Miller, Gordon J., and Fokwa, Boniface P. T.

Subjects
*CONDUCTION electrons, *BORIDES
Abstract

Polycrystalline samples of the boride series Ti9-xM2+xRu18B8 (M: Cr, Co, Mn, Ni) and single crystals of Ti8Co3Ru18B8 are prepared by arc melting of the elements. [ABSTRACT FROM AUTHOR]

Published
2013
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