Quenched Nitrogen-included Carbonacrous Composite (QNCC): A powerful candidate for the carriers of the UIR bands in classical novae
Quenched Nitrogen-included Carbonacrous Composite (QNCC): A powerful candidate for the carriers of the UIR bands in classical novae
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淬火含氮碳质复合材料（QNCC）：经典新星中 UIR 波段载体的有力候选者
DOI：
10.1017/s1743921319006409
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
and Y. Kebukawa
中科院分区：
文献类型：
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作者：
I. Endo;I. Sakon;T. Onaka;A. L. Helton;R. M. Lau;S. Kimura;S. Wada;N. Ogawa;N. Ohkouchi;and Y. Kebukawa
我们已经成功地合成了有机物，“淬火含氮碳复合物（QNCC）”，通过等离子体化学气相沉积（CVD）方法，其红外光谱特性再现了经典新星周围观察到的未识别红外（UIR）带的特征。过去的研究表明，在新星周围观察到的UIR带与在其他天体物理环境中观察到的UIR带有些不同，主要特征是存在宽8μm的特征。QNCC的红外性质与新星中的UIR谱带具有显著的相似性，表明QNCC是新星中UIR谱带的一个强有力的载体。最后，我们开始了QNCC的空间暴露实验，旨在探索QNCC和碳质球粒陨石中的不溶性有机分子（IOM）之间的演化联系，从而推断我们太阳系中有机物的起源。
We have succeeded in synthesizing organics, ‘Quenched Nitrogen-included Carbonaceous Composite (QNCC)’, via plasma chemical vapor deposition (CVD) method, whose infrared spectral properties reproduce the characteristics of the unidentified infrared (UIR) bands observed around classical novae. Past studies have shown that the UIR bands observed around novae appear somewhat differently from those observed in other astrophysical environment and are predominantly characterized by the presence of a broad 8μm feature. The remarkable similarity between the infrared properties of QNCC and the UIR bands in novae indicates that QNCC should be considered as a strong candidate of the carriers of the UIR bands in novae. Finally, we have started a space exposure experiment of QNCC aiming to explore the evolutional link between the QNCC and the insoluble organic molecule (IOM) in carbonaceous condrite and, thus, to infer the origins of organics in our solar system.