Results 61 to 70 of about 13,468 (252)

Direct Growth of Transparent Boron Nitride Neutron Shielding Layer for Space Window

Advanced Science, EarlyView.
Direct growth of sp2‐sp3 hybridized BN (HBN) on quartz, enabled by an h‐BN buffer, produces transparent and stable films up to 80 µm thick with high transmittance and strong neutron shielding, making HBN a promising candidate for space windows in long‐term lunar missions.
Dobin Kim, Geunpil Kim, Hwijoon Jeong, Sk Mujaffar Hossain, Satadeep Bhattacharjee, Minjae Isaac Kwon, Yeunjeong Lee, Chanhee Yang, Yeong Seok Ham, Taek‐Soo Kim, Hyowon Moon, Inkyu Park, Seung‐Cheol Lee, Jinhwan Kim, Jongbum Kim, Jaehyun Park   +15 more
wiley   +1 more source

Mechanical properties and thermal conductivity of graphitic carbon nitride: A molecular dynamics study

, 2017
Graphitic carbon nitride nanosheets are among 2D attractive materials due to presenting unusual physicochemical properties.Nevertheless, no adequate information exists about their mechanical and thermal properties.
Cuniberti, G, Mortazavi, B, Rabczuk, T
core   +1 more source

Fabrication of AlN/BN bishell hollow nanofibers by electrospinning and atomic layer deposition [PDF]

, 2014
Cataloged from PDF version of article.Aluminum nitride (AlN)/boron nitride (BN) bishell hollow nanofibers (HNFs) have been fabricated by successive atomic layer deposition (ALD) of AlN and sequential chemical vapor deposition (CVD) of BN on electrospun ...
Biyikli, N., Haider, A., Kayaci, F., Okyay, A. K., Ozgit Akgun, C., Uyar, T.   +5 more
core   +2 more sources

Locally resolved stress measurement in the ultra-hard composites polycrystalline diamond and polycrystalline cubic boron nitride

Forschung im Ingenieurwesen
Zerspanwerkzeuge aus hochharten Schneidstoffen wie polykristalliner Diamant und polykristallinem Bornitrid finden in immer mehr Bereichen der Zerspanung Anwendung.
Bernd Breidenstein, N. Vogel
semanticscholar   +1 more source

Pressure‐Induced Structural and Magnetic Evolution in Layered Antiferromagnet YbMn2Sb2

Advanced Electronic Materials, EarlyView.
Pressure tunes the delicate balance between structure, magnetism, and electronic states in quantum materials. In YbMn2Sb2, high‐pressure X‐ray and neutron diffraction reveal a trigonal‐to‐monoclinic transition near 3.5 GPa, accompanied by unconventional magnetic ordering.
Mingyu Xu, Matt Boswell, Aya Rutherford, Cheng Peng, Ying Zhou, Shuyang Wang, Zhaorong Yang, Antonio M. dos Santos, Haidong Zhou, Weiwei Xie   +9 more
wiley   +1 more source

Investigation on surface morphology and crystalline phase deformation of Al80Li5Mg5Zn5Cu5 high-entropy alloy by ultra-precision cutting

Materials & Design, 2020
The materials with high precision，easy machining and excellent micro-machinability are considered significant on the fabrication of precision components, the outstanding comprehensive properties of Al80Li5Mg5Zn5Cu5 high-entropy alloy just meet these ...
Zhiyuan Huang, Yuqi Dai, Zhen Li, Guoqing Zhang, Chuntao Chang, Jiang Ma   +5 more
doaj   +1 more source

Melting of B12P2 boron subphosphide under pressure

, 2016
Melting of boron subphosphide (B12P2) to 26 GPa has been studied by in situ synchrotron X-ray powder diffraction in a laser-heated diamond anvil cell, and by quenching and electrical resistance measurements in a toroid-type high-pressure apparatus. B12P2
Cherednichenko, Kirill A., Godec, Yann Le, Konôpková, Zuzana, Mukhanov, Vladimir A., Sokolov, Petr S., Solozhenko, Vladimir L.   +5 more
core   +1 more source

Application of Polycrystalline Cubic Boron Nitride for Cutting Tools.

THE REVIEW OF HIGH PRESSURE SCIENCE AND TECHNOLOGY, 1994
Polycrystalline cubic boron nitride (pcBN) materials, which are produced by sintering cBN powder and binder material under ultra-high pressure and temperature conditions, have so high hardness, high thermal conductivity and very weak affinity for ferrous metals that pcBN has been used for cutting ferrous metals such as hardened steel, cast iron, powder
openaire   +2 more sources

Discovery of Novel Materials with Giant Dielectric Constants via First‐Principles Phonon Calculations and Machine Learning

Advanced Intelligent Discovery, EarlyView.
We discovered novel materials with giant dielectric constants by combining first‐principles phonon calculations and machine learning. Screening 525 perovskites identified six candidates. RbNbO3 was synthesized under pressure and showed ε ≈ 800–1000. This validates our framework as a powerful tool for high‐performance dielectric materials discovery.
Hiroki Moriwake, Kazuki Shitara, Rie Yokoi, Takeharu Kato, Isao Tanaka, Ayako Yamamoto, Kimitoshi Murase, Yosuke Hamasaiki, Yoshitaka Ehara, Mitsuru Itoh   +9 more
wiley   +1 more source

Photoluminescence of hexagonal boron nitride: effect of surface oxidation under UV-laser irradiation

, 2008
We report on the UV laser induced fluorescence of hexagonal boron nitride (h-BN) following nanosecond laser irradiation of the surface under vacuum and in different environments of nitrogen gas and ambient air.
Andrei V. Kanaev, Arnaud, Berzina, Blase, Brown, Bäuerle, Carlisle, Carson, Chen, Chen, Davies, Demetrios Anglos, Era, Furthmüller, Geick, Grinyaev, Hirayama, Hoffman, Jean-Pierre Michel, Jean-Pierre Petitet, Jia, Kanaev, Katzir, Kawaguchiaki, Larach, Larach, Leapman, Leapman, Li, Liu, Lopatin, Luc Museur, Lukomskii, MacNaughton, Mansour, Mshima, Solozhenko, Tarrio, Taylor, Watanabe, Watanabe, Wu, Xu, Yao, Yao, Zunger   +45 more
core   +1 more source