PREPARATION AND CELL PARAMETERS OF LuB$sub 2$C$sub 2$

Nordine, Paul C.; Smith, George; Johnson, Q.

doi:10.2172/4569363

Cited by 3 publications

(2 citation statements)

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“…They have established that the previously reported LnB x phases (Ln = La, Pr, Gd, Er, Yb, and Y) are also members of this series. Later works by Nordine, Smith & Johnson (1964), Fishel & Eick (1969), Bauer & Nowotny (1971), Bauer & Debuigne (1972) and Bezruk & Markovskii (1972)have established that all the rare-earth metals (except Eu) and the pseudorare-earth metal yttrium form this phase. Very recently in our laboratory we have prepared the diboride dicarbides of europium (Schwetz, H6rle & Bauer, 1979) and calcium (Br6ant, Pensec, Bauer & Debuigne, 1978) by annealing mixtures of the elements in sealed Mo bombs.…”

Section: Introductionmentioning

confidence: 98%

The ordering of boron and carbon atoms in the LaB2C2 structure

Bauer¹,

Bars²

1980

Acta Crystallogr Sect B

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The crystal structure of LaB2C 2 has been determined by X-ray diffraction with an automatic diffractometer and Mo Ka radiation. The structure consists of two 0567-7408/80/071540-05501.00 planar, infinite layers which alternate along the e axis. Within the (ordered) B--C network, each atom is bonded to three other atoms so as to form aromaticlike, fused four-and eight-membered rings. Each four-membered ring contains two B and two C atoms

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Section: Introductionmentioning

confidence: 98%

The ordering of boron and carbon atoms in the LaB2C2 structure

Bauer¹,

Bars²

1980

Acta Crystallogr Sect B

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“…The lanthanide tetraborides, dodecaborides and probably the hectoborides show linear behavior of their lattice parameters with lanthanide even through Tm and Yb (cf. Others certainly exist, e.g., Nordine reports the existence of SmB2 (197).…”

Section: 6 Influence Of Boride Heat Of Formationmentioning

confidence: 99%

LANTHANIDE BORIDE SYSTEMS AND PROPERTIES. PART I. LANTHANIDE-BORON-CARBON SYSTEMS. PART II. VAPORIZATION AND STABILITIES OF LANTHANIDE BORIDES (thesis)

Smith¹

1964

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This dissertation presents the results of experimental studies on J the rare earth borides and rare earth borocarbides. The work consisted * of six parts: (1) the ternary phases and equilibria in Ln-B-C systems; b , (2) the structure of the phase, LnB C2; (3) the discovery of the new hectobbride phase; (4) the vaporization characteristics of the rare earth ' borides; (5) the decomposition pressures and the heat of sublimation of Gd84; and (6) ternary Ln-M-B compatibility studies and the boron poten-/ tial series"The ternary Ln-B-C systems were investigated by arc melting and X-ray diffraction techniques. Emphasis was placed on the metal-deficient portion of the ternary Gd-B-C system. . Five ternary phases were.

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Ternary Metal Borides

Nowotny¹,

Rogl²

1977

Boron and Refractory Borides

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PREPARATION AND CELL PARAMETERS OF LuB$sub 2$C$sub 2$

Cited by 3 publications

References 1 publication

The ordering of boron and carbon atoms in the LaB2C2 structure

The ordering of boron and carbon atoms in the LaB2C2 structure

LANTHANIDE BORIDE SYSTEMS AND PROPERTIES. PART I. LANTHANIDE-BORON-CARBON SYSTEMS. PART II. VAPORIZATION AND STABILITIES OF LANTHANIDE BORIDES (thesis)

Ternary Metal Borides

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