无定形碳

此外，在金刚石薄膜中还观察到存在于金刚石颗粒间的非金刚石型碳（C），即无定形碳及微晶石墨。

Finally the non-diamond type carbon impurities was found between the diamond grains in the diamond film , which are amorphous carbon and / or microcrystalline graphite .

用脉冲直流电源，以硅片和钛片为衬底，低温（50～60。C）常压条件下，在阴极和阳极上分别沉积了无定形碳薄膜。

Amorphous carbon films were prepared on silicon and titanium substrates at atmospheric pressure and low temperature ( 50 ~ 60 ℃) using a direct current pulsed power supply .

拉曼光谱和X射线衍射（XRD）表明这些碳微球是无定形碳相。

XRD patterns and Raman spectra indicated that the carbon spheres were amorphous graphite phase .

结果表明，制备的粒子中含有αFe、Fe3C、无定形碳和石墨，没有铁的氧化物相出现。

It is shown that the samples produced contain α - Fe , Fe 3C and carbon , no iron oxide appears .

在表面官能化的无定形碳纳米管上沉积金、银、铂纳米颗粒，得到贵金属/无定形碳纳米管（ACNTs）复合材料。

Au 、 Ag 、 Pt nanoparticles were deposited on the surfaces of amorphous carbon nanotubes to obtain noble metal / ACNTs composites .

这一结论说明，在金刚石薄膜中，sp2杂化碳原子主要存在于金刚石晶粒表面和晶界碳原子之间，而不是以石墨或无定形碳颗粒为主要存在方式。

It reveals that the sp2 bonding carbon atoms do not mainly exist in graphitic or amorphous carbon grain form in the films but mainly among the carbon atoms of diamond grain surface or grain boundary .

其物相组成以等轴晶系Sb2O3为主，另有少量斜方晶系Sb2O3，其它则为无定形碳、石墨、赤铁矿（Fe2O3）、石英（SiO2）等。

According to analysis , the most of Sb 2O 3 are isometric while a small amount is oblique crystal . The other minerals in it are amorphous carbon , graphite , hematite and quartz .

采用基于粗粒珠簧模型的分子动力学模拟方法，研究磁盘润滑膜极性全氟聚醚（Perfluoropolyether，简称PFPE）在无定形碳表面的结构和铺展特性。

Molecular dynamics simulations based on a coarse-grained , bead-spring model were adopted to investigate the structure and spreading properties of hard disk lubricants functional perfluoropolyether ( PFPE ) on amorphous carbon surfaces .

研究表明，无定形碳是金刚石成核的前驱态；

It showed that amorphous carbon is the precursor of diamond nucleation .

产品中几乎不含无定形碳及被碳包覆的铁晶粒。

Product nearly did not contain amorphous carbon and carbon-encapsulated iron particles .

如在釜顶发生气&气反应，形成无定形碳；

In the upper of autoclave , forming amorphous carbon by gas-gas reaction ;

锂离子电池用无定形碳材料容量衰减机理

Mechanism for Capacity Fading of Amorphous Carbon Materials Used for Lithium Ion Battery

本论文重点以低表面能物质&无定形碳，作为研究对象，制备超疏水表面。

This work has focused on the amorphous carbon that has low surface energy to prepare the superhydrophobic surface .

这些方法减少或防止等离子体感应电荷由于无定形碳薄膜的沉积而损坏衬底。

The methods reduce or prevent plasma-induced charge damage to the substrates from the deposition of the amorphous carbon films .

通过控制氢气载入甲烷-氢气-水的混合气氛中水蒸气的量可以合成低无定形碳的洁净单壁碳纳米管。

The yield and microstructure of the as-formed carbon products can be correlated with the composition of the reaction mixture .

通过60keV的40Ar+辐照无定形碳靶合成了大量尺寸不同的金刚石纳米颗粒。

Large_scale diamond nanocrystals of different sizes were synthesized by 60 keV ~ 40 Ar ~ + irradiation on amorphous carbon .

由无定形碳向石墨转变的反应为准零级，其表观速度为常数。

The apparent rate of transition reaction from amorphous carbon to graphite is a constant and the reaction order is quasi-zero .

一种丰富的非金属四价元素，有三种同素异形体：无定形碳、石墨、金刚石。

An abundant nonmetallic tetravalent element occurring in three allotropic forms : amorphous carbon and graphite and diamond ; occurs in all organic compounds .

要想生成Q-碳，研究人员需利用单脉冲激光冲激材料表面的无定形碳（即无晶体结构的碳）。

Researchers created the Q-carbon by blasting material covered in amorphous carbon ( i.e. carbon without a crystalline structure ) with a single laser pulse .

红外透射谱、拉曼光谱与电子衍射等分析表明：α－C：H为无定形碳与金刚石共存物。

IR transmittances , Raman spectrum and electron diffraction analyses show that α - C : H film is composed of amorphous hydrogenated carbon and diamond materials .

该机理表明容量的衰减是由于包在反复插入和脱出过程中，破坏了无定形碳材料的结构所致。

The mechanism showed that the amorphous carbon structure could be destroyed during the repeating intercalation and removal of lithium , therefore the reversible capacity faded with cycling .

铜基体上离子注入碳，并经过适当的热处理后，会在其表面析出无定形碳和碳纳米洋葱，这是由电子束的照射作用引发的。

Amorphous carbon and carbon nano-onions are synthesized by carbon ion implantation into copper substrate heated at given temperatures , which is the result of electron beam irradiation .

含氟无定形碳薄膜（a-C：F：H）是一种新型功能材料，它可以用作电介质膜、抗摩膜、抗反射膜、保护膜、防腐膜以及包装材料薄膜等。

Materials of Fluorinated amorphous hydrogenated carbon thin films ( a-C : F : H ) with new functions will be used in the electrical and optical field .

对近期锂离子电池负极材料方面的研究和开发工作进行了综述。主要包括无定形碳材料、新型负极材料和天然石墨的改性。

The latest research and development on anode materials for Li-ion batteries were reviewed , which included amorphous carbons , novel anode materials and modification of natural graphite .

最近，将D-葡萄糖、蔗糖、纤维素和淀粉在高温碳化，然后磺酸化，制备无定形碳固体酸催化剂引起研究者的广泛关注。

Recently , the D-glucose , sucrose , cellulose and starch in the high-temperature and followed by sulfonation , preparation of amorphous carbon solid acid catalyst caused much attention .

通过研究在不同的循环次数时无定形碳材料的电子自旋共抓信号的强度变化及形态结构的变化，得出了容量衰减的机理。

Through investigation of changes of the intensity of electron spinning signal and morphology of amorphous carbon materials at different cycle numbers , mechanism for capacity fading was obtained .

实验表明，对基片进行适当的预处理，包括用金刚石研磨膏仔细研磨和沉积前原位沉积一层无定形碳层，可显著提高成核密度；

It showed that proper pretreatments , such as polishing substrate surface carefully and in situ pre depositing an amorphous layer on the alumina substrate surface , would enhance nucleation of diamond obviously .

这些无定形碳在二氧化硅小球周围形成网络结构，不但能提高颗粒之间的电子传导率而且能限制充放电过程中的体积膨胀，从而提高材料的电化学性能。

The amorphous carbon around silica beads form a network structure , which can improve the electronic conductivity between silica beads and buffer the volume expansion during cycling process , thereby improves the electrochemical properties .

随处理温度的提高，无定形碳石墨化和碳/金属纳米结构的形成提高了复合材料的介电常数实部和介电损耗，扩宽了低反射率的频率范围，但阻抗匹配不佳。

With the heat treatment temperature increasing , the graphitization of amorphous carbon and the formation of carbon / metal nanostructures improves the dielectric constant and the dielectric loss , expands the frequency range of low reflection loss .

燃烧面由鳞石英、硅酸盐、磷酸三钙、玻璃相和无定形碳组成，但沉积碳较少。不同槽型气体端面密封稳态特性的有限元分析

On the gas face , there are tridymite , silicate , C 3 P , glass phase and also a few precipitated carbon . Finite Element Method for the Steady-State Performance Analysis of Different Groove Gas Face Seals