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Mori, Toshiyuki; Tansho, Masataka; Onoda, Yoshito; Shi, Ying; Tanaka, Tatsuya

doi:10.1103/physrevb.62.7587

Cited by 11 publications

(3 citation statements)

References 21 publications

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“…The structure is composed of alternate -[B 1/3 C 2/3 ] ∞ -Sc-C-Sc-[B 1/3 C 2/3 ] ∞ -layers (Fig. The physical properties were investigated and the following made clear [7]. A particularly interesting structural feature is that the boron and carbon atoms -[B 1/3 C 2/3 ] ∞ -appear to form a puckered graphite-like layer within the compound.…”

Section: Results and Discussion 1 Review Of The First [B/c] Gicmentioning

confidence: 99%

“…The carbon systems are well known such as the cluster C 60 fullerene compounds and the 2D graphite intercalation compounds (GIC's). We have previously discovered the first [B/C] graphite intercalation-like compound, Sc 2 B 1.1 C 3.2 which has a [B 1 C 2 ] ∞ graphitic layer [7]. However, the main focus up to now for the boron network compounds has been on the interesting structural properties or mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and Properties of [B/C] Layered Compounds.

Mori

2004

MRS Proc.

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We report synthesis and properties of layered compounds with 2D boron-and-carbon-mixed-atomic-layers which are related to topics of recent high interest. The previous discovery of the first [B/C] graphite intercalation-like compound Sc 2 B 1.1 C 3.2 and evaluation of reported high temperature ferromagnetism in CaB 2 C 2 are reviewed. MgB 2 related [B/C] compounds MgB 2 C 2 and LiBC were synthesized and hole doping carried out in search for superconducting materials with high T C . Superconductivity was not observed for any of the compounds above 1.8 K, but (Mg,Li)B 2 C 2 is demonstrated to be the most promising system, with an insulator to metal transition indicated to be induced.

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Section: Results and Discussion 1 Review Of The First [B/c] Gicmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis and Properties of [B/C] Layered Compounds.

Mori

2004

MRS Proc.

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“…As a new angle, we have focused on MgB 2 C 2 which is a [B/C] layered compound [12]. We have been interested in the [B/C] layered compounds, ever since we discovered the first [B/C] graphite intercalation compound (GIC) Sc 2 B 1:1 C 3:2 which has a [B 1 C 2 ] 1 graphitic layer [13]. Work has also been done in 5f [B/C] compounds which exhibit magnetism not always in accordance with the criteria of the Hill limit [14].…”

Section: Introductionmentioning

confidence: 99%

Hole doping of MgB2C2, a MgB2 related [B/C] layered compound

Mori¹,

Takayama‐Muromachi²

2004

Current Applied Physics

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Lanthanides: Boride, Carbide, and Nitride Compounds

Mori

2012

Encyclopedia of Inorganic and Bioinorganic Chemistry

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Rare earth elements form a rich variety of compounds with boron, carbon, and nitrogen. The rare earth borides, carbides, and nitrides tend to be highly refractory compounds, typically with melting points above 2300 K. One way of looking at the less metal‐rich compounds is that the boron, carbon, and nitrogen atoms, respectively, form strongly covalent atomic networks in which rare earth atoms occupy particular spaces/voids. The strong covalent bonding among the network atoms is the origin for the high temperature stability, while the rare earth elements typically play a critical role in the physical properties, namely, functionalization of the material. For example, especially in the case of boron, boron has one less electron than carbon and therefore it is electron deficient when forming atomic networks compared to carbon networks such as graphite and fullerenes. However, this causes boron to have an especially good affinity with the rare earth elements, which are localized and can occupy voids in the boron network while readily supplying electrons to stabilize novel structures, providing a wide variety of compounds that are introduced in this chapter, together with carbides and nitrides. Furthermore, the shell of f electrons can provide interesting physical properties such as magnetism and luminescence and also provide possible tuning of the electronic properties. In this sense, as functional materials, the rare earth elements play a critical role in the functionalization, although their content may be low in the higher borides, carbides, and nitrides. This is one important direction in which to strive in the current world where natural resources are limited, namely, to highly functionalize materials that are mainly composed of abundant light elements through the innovative use of a small amount of rare element. In this chapter, I briefly review what is known of the rare earth borides, carbides, and nitrides. This review would particularly like to showcase interesting features of the crystal structure and intriguing physical properties ranging from the fundamental to the very applicable, with an emphasis on recent emerging results in important functionalities such as magnetism, thermoelectricity, and superconductivity.

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Transport and NMR study of the scandium boron carbide compoundSc2B1.1C

Cited by 11 publications

References 21 publications

Synthesis and Properties of [B/C] Layered Compounds.

Synthesis and Properties of [B/C] Layered Compounds.

Hole doping of MgB2C2, a MgB2 related [B/C] layered compound

Lanthanides: Boride, Carbide, and Nitride Compounds

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