نتایج جستجو برای: ultra dispersed nanodiamond
تعداد نتایج: 82646 فیلتر نتایج به سال:
Using the spin properties of nitrogen-vacancy (NV) centers in levitated diamond, we characterize absorption single nanodiamonds. We first calibrate thermometry response NV embedded our Then, using this calibration, estimate cross-section show that is extrinsic and dominated by volumic effects. Our work opens way to diamond materials optimization for levitation quantum experiments. It also demon...
Nanodiamond crystals containing single color centers have been grown by chemical vapor deposition (CVD). The fluorescence from individual crystallites was directly correlated with crystallite size using a combined atomic force and scanning confocal fluorescence microscope. Under the conditions employed, the optimal size for single optically active nitrogen-vacancy (NV) center incorporation was ...
Nanodiamond crystals containing single color centers have been grown by chemical vapor deposition (CVD). The fluorescence from individual crystallites was directly correlated with crystallite size using a combined atomic force and scanning confocal fluorescence microscope. Under the conditions employed, the optimal size for single optically active nitrogen-vacancy (NV) center incorporation was ...
We show that the long-range Ewald operator can be resolved as erf(ωr12)/r12 = ∑k ϕk*(r1) ϕk(r2), where ϕk is proportional to the product of a spherical Bessel function and a spherical harmonic. We demonstrate the use of this new resolution by calculating the long-range Coulomb energy of the nanodiamond crystallite C84H64 and the long-range exchange energy of the graphene C96H24. The resolution ...
The ionization potentials of size- and isomer-selected diamondoids (nanodiamond containing one to five crystal cages) have been measured by means of total-ion-yield spectroscopy. We find a monotonic decrease of the ionization potential with increasing diamondoid size. This experimental result is compared to recent theoretical predictions and comparable investigations on related carbon clusters,...
Cellulose nanofiber (CNF), which is processed by refining wood fiber, a promising biomass-derived material with excellent properties, including high strength and light weight. CNFs can be applied to fillers, films, thickeners. Highly oriented integrated used produce ultra-high-strength ultra-lightweight materials that surpass wood; however, precise alignment of CNF still difficult. In this stud...
Nano-silica is an important admixture for ultra-high performance concrete (UHPC). However, complex production process and agglomeration problem of conventional nano-silica significantly limit its application in UHPC. In this study, a novel highly dispersed colloidal olivine (C-OnS) developed. The properties C-OnS are characterized with laser light scattering, nuclear magnetic resonance zeta-pot...
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