Introduction

Matkovich, V. I.

doi:10.1007/978-3-642-66620-9_1

Cited by 72 publications

(111 citation statements)

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“…Fehlner [3] further expounded on the common bonding themes in metaloboranes and transition metal borides. The structures and general properties of boron and borides have been known for many decades [4] and recent work has been reviewed by Albert and Hillebrecht [5]. The proceedings of the International Symposium on Boron, borides, and related compounds provides updates every three years to general research in this field [6].…”

Section: Introductionmentioning

confidence: 99%

“…The proceedings of the International Symposium on Boron, borides, and related compounds provides updates every three years to general research in this field [6]. While the bulk properties of the boron-rich solids have been widely studied [4], far less is known about their surface structure and chemistry. Nevertheless, surface studies of boron and borides have been a persistent, if minor, component of this field for several decades.…”

Section: Introductionmentioning

confidence: 99%

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Surface science studies of metal hexaborides

Trenary

2012

Science and Technology of Advanced Materials

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Over 30 years of surface science research on metal hexaborides are reviewed. Of this class of compounds, lanthanum hexaboride has been the subject of the majority of the studies because of its outstanding properties as a thermionic emitter. The use of LaB 6 cathodes as an electron source stems from the unusually low work function of ∼2.5 eV for the (100) surface combined with a low evaporation rate at high temperatures. Of particular interest has been the determination of the surface geometric and electronic structure responsible for the low work function and how the work function is affected by various adsorbates. The low-index faces of single crystals of LaB 6 and other hexaborides have been studied with a variety of ultrahigh vacuum surface science methods to gain a better understanding of the structure and properties of the clean surfaces as well as their interactions with gases such as O 2 , H 2 O and CO.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Surface science studies of metal hexaborides

Trenary

2012

Science and Technology of Advanced Materials

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“…-rhombohedral boron has a work function around 4.30 eV and a band gap around 1.56 eV [15,22]. For our p-type BNW, it is reasonable to surmise that its Fermi level comes closer to the valence band compared to intrinsic boron material, giving a larger work function that exceeds the work function of Ti, i.e.…”

Section: Resultsmentioning

confidence: 97%

“…Bulk boron and metal-boride phases are highly refractory, chemically stable, strong, and hard [15]. Theoretical studies have proposed that 1D systems made of boron should be stable and possibly exhibit even higher electrical conductivities than carbon nanotubes [16,17].…”

Section: Introductionmentioning

confidence: 99%

Rectifying Effect in Boron Nanowire Devices

Wang

Otten

Buhro

et al. 2004

IEEE Trans. Nanotechnology

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“…Thus, it is widely used for cutting tool composites, wear resistant parts, metal melting crucibles and electrode materials [1][2][3][4][5]. Exceptional properties were shown for fine-grained TiB 2 , which is used during the manufacturing of tools used in steel machining technologies [2,5].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characteristics of nanocrystalline materials in Ti, B, C and N containing system

et al. 2011

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Abstract:In this work, the results of investigations of manufacturing ceramic materials on the basis of Ti, B, C and N containing systems are presented. The nanocrystalline ceramics were synthesized using a non-hydrolytic sol-gel method. The process was carried out in two stages. In the first low-temperature stage the precursor was obtained. The synthesis of ceramic phases, however, was conducted in the second high-temperature stage, in an argon atmosphere. Depending on the initial composition of the mixtures, the temperature and the time, the following products were obtained: TiC x , TiC x N 1−x , TiB 2 and B 4 C. The course of the process was investigated by thermogravimetric and differential scanning calorimetry methods (TG-DSC) coupled with mass spectrometry (MS). The solid state products were identified with use of X-ray diffraction (XRD). The size of the crystallites was estimated by the Scherrer method. The structure and morphology images of nanocrystalline powders were obtained using scanning electron microscopy (SEM) and transmission electron microscopy (TEM).

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Introduction

Cited by 72 publications

References 0 publications

Surface science studies of metal hexaborides

Surface science studies of metal hexaborides

Rectifying Effect in Boron Nanowire Devices

Synthesis and characteristics of nanocrystalline materials in Ti, B, C and N containing system

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