对二氯苯纳米粒子的晶型转变
Polymorphic transition in p-dihlorbenzol nanoparticles
摘要：
实验获得了对二氯苯纳米粒子的低频拉曼光谱。借助电子显微镜测定纳米颗粒尺寸。发现在70 nm处的晶格振动谱中出现了α-对二氯苯并[a]和β-对二氯苯结构的合成谱。这与用分子动力学计算的纳米颗粒结构和用Dyne方法计算的晶格振动谱直方图一致。
英文摘要：
We have obtained experimentally the low frequency Raman spectra of p-dihlorbenzol nanoparticles. Nanoparticle sizes are determined with the help of electron microscope. It was found that in the lattice vibration spectra from 70 nm the summary spectrum of α-paradihlorbenzola and β-paradihlorbenzol structures appears. It agrees with both calculations of nanoparticle structure by molecular dynamics and calculations of spectra histograms of the lattice vibrations by a Dyne's method.
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