在包含碳化硅核壳微球的向列相液晶中,理论计算发现在13～13.2μm中红外波段范围出现了负折射率.由于强烈声子激化共振产生大的介电常数,碳化硅微球在13.1μm附近产生负磁导率.通过确定壳层材料的等离子参数,获得了负折射率.电磁模拟解释了负介电常数和负磁导率产生的机理.
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