Results 81 to 90 of about 35,372 (308)

Irreversible Pressure-Induced Transformation of Boron Nitride Nanotubes

open access: yes, 2007
We have used Raman spectroscopy to study the behavior of multi-walled boron nitride nanotubes and hexagonal boron nitride crystals under high pressure.
Gadagkar, V   +19 more
core   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

Chemically activated boron nitride nanotubes

open access: yes, 2009
Functionalizing nanotubes: An easy method is developed to functionalize boron nitride nanotubes. Hydrogen peroxide is used to oxidize the surface of pristine BN nanotubes to get hydroxylated BN nanotubes, which are chemically active for further ...
D. Golberg   +11 more
core   +1 more source

In Situ Amine Formation to Modulate MOF‐Derived PdIn N‐Doped Carbon Catalysts

open access: yesAdvanced Materials, EarlyView.
An amine‐assisted approach converts PdIn‐MOF into PdIn intermetallic nanoparticles embedded in N‐doped carbon. In situ‐generated amines trigger early Pd nucleation, producing smaller PdIn domains than direct pyrolysis. Amine sterics and basicity tune composition and particle size, while solvent and amine co‐determine textural features.
Gonzalo Egea   +9 more
wiley   +1 more source

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

open access: yesAdvanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria   +6 more
wiley   +1 more source

Investigation on dry sliding wear behavior of Mg/BN nanocomposites

open access: yesJournal of Magnesium and Alloys, 2018
The present research objective is to investigate the effect of boron nitride nanoparticles reinforcement on dry sliding wear behavior of pure Magnesium and magnesium nanocomposites.
R. Vara Prasad Kaviti   +4 more
doaj   +1 more source

Molecule Ordering Triggered by Boron Nitride Nanotubes and “Green” Chemical Functionalization of Boron Nitride Nanotubes

open access: yes, 2007
Boron nitride nanotubes (BNNTs) were found to induce a new phase in ionic liquids and form gels. The new phases indicate ordering of the ionic liquids' molecules on the surface of BNNTs.
Golberg, Dmitri   +5 more
core   +1 more source

Tool-life and wear mechanisms of CBN tools in machining of Inconel 718 [PDF]

open access: yes, 2007
The demand for increasing productivity when machining heat resistant alloys has resulted in the use of new tool materials such as cubic boron nitride (CBN) or ceramics.
DESSOLY, Michel   +4 more
core   +1 more source

Signatures of Edge States in Antiferromagnetic Van der Waals Josephson Junctions

open access: yesAdvanced Materials, EarlyView.
ABSTRACT The combination of superconductivity and magnetic textures leads to unconventional superconducting phenomena, including new correlated and topological phases. Van der Waals (vdW) materials emerge as a versatile platform for exploring the interplay between these two competing orders.
Celia González‐Sánchez   +10 more
wiley   +1 more source

Fast and accurate electronic structure methods : large systems and applications to boron-carbon heterofullerenes [PDF]

open access: yes, 2013
The interactions among electrons and nuclei, which are the constituents of matter, are governed by the fundamental laws of quantum mechanics. Methods that use these laws in order to determine the properties of matter are called ab-initio approaches ...
Mohr, Stephan
core   +1 more source

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