作者：Heinz Berke;Tristan Corbiere;Armin Portmann;Eva Freisinger;Ferdinand Wild;Juerg Hutter;潘璐;夏寅;马清林;张治国;

机构：瑞士苏黎世大学无机化学系;瑞士苏黎世大学物理化学系;国家博物馆;秦始皇兵马俑博物馆;中国文化遗产研究院;

中文关键词：人造;;中国蓝;;中国紫

英文关键词：Man-Made;;Chinese Blue;;Chinese Purple

中文摘要：这篇文章是对四件附着有硅酸铜钡颜料的中国古代器物的研究。其中三个样品是彩陶颗粒,来自甘肃省张家川马家源遗址,它属于战国晚期(474-221BC)。另外是对山东章丘威山汉墓壁画上的(206BC-8AD)单个晶体的单独研究。一个彩陶颗粒样品和单个晶体表明有中国深蓝(BaCu_2Si_2O_7)存在,这是一关于硅酸铜钡的新发现。相对于已知道中国蓝(BaCuSi_4O_(10))和中国紫(BaCuSi_2O_6),这种BaCu_2Si_2O_7成分被称为中国深蓝,该彩陶颗粒的颜料层也含有中国蓝中国紫。还运用了SEM和EDX对其表面形态的分析和通过拉曼光谱对中国蓝、中国紫元素成分的分析。X射线对单个晶体的分析知道了BaCu_2Si_2O_7化合物的结构。通过现代仪器的综合分析研究,推断前期硅酸铜石英相谱图,白色Ba_2CuSi_2O_7成分,仅有很小的可能性在历史遗迹中找到该颜料。

英文摘要：This article comprises the study of 4 ancient Chinese objects with blue and purple barium-copper -silicate pigments.3 samples were faience beads from Majiayuan village,Zhangjiachuan County, Gansu Province,dated to the Late Warring States period(474-221 BC).In addition a single crystal was studied isolated from a wall painting of the Weishan Terracotta Tomb,Zhangqiu,Shandong Province,dated to the Western Han Dynasty(206 BC-8 AD).One bead and the single crystal showed the presence of Chinese Dark Blue,BaCu_2Si_2O_7,a barium-copper-silicate phase newly discovered as a pigment.In analogy to the already known pigment phases BaCuSi_4O_(10)(Chinese or Han Blue) and BaCuSi_2O_6(Chinese or Han Purple), this BaCu_2Si_2O_7 compound was named as Chinese or Han Dark Blue.The faience beads contained in the pigment layer also Chinese Blue(BaCuSi_4O_(10)) and Purple(BaCuSi_2O_6).The samples were analyzed by SEM and EDX for their surface morphologies and elemental contents and by Raman spectroscopy for the blue and purple barium-copper-silicate pigments.The single crystal was also analyzed by single crystal X-ray diffraction revealing the known structure of the BaCu_2Si_2O_7 compound.From modern times synthetic studies it was extrapolated that the"forth"phase of the barium-copper-quartz phase diagram,the whitish Ba_2CuSi_2O_7 compound,has only low probability to be found as a pigment in conjunction with historical Chinese artifacts.

[中文刊名]：文博 [出版日期]：2009-12-15 [CN]：61-1009/K [ISSN]：1000-7954

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