利用泵浦-探測(cè)瞬態(tài)反射顯微技術(shù)測(cè)定立方砷化硼的高雙極性遷移率High Ambipolar Mobility in Cubic Boron Arsenide（BAs）Revealed by Transient Reflectivity Microscopy劉新風(fēng)國(guó)家納米科學(xué)中心研究員,中科院納米標(biāo)準(zhǔn)與檢測(cè)重點(diǎn)實(shí)驗(yàn)室副主任LIU XinfengProfessor of National Nanoscience Center, Deputy director of the Key Laboratory of Standardizaiton and Characteriaziton of the Chinese Academy of Sciences