简介：一个答案阶段方法准备的ZnOnanorods在氧在不同温度被退火周围。样品的光性质被调查。处于一样的刺激条件，所有样品的光致发光(PL)系列出现一紫外(紫外)排放和一个宽广强壮的可见排放乐队。退火的样品的不对称的可见排放乐队有一象从200牤畯?潳楤浵猠汵桰瑡?敷敲愠摤摥琠?桴?慷整?慳灭敬※湡漠敶?整灭牥牰?牰增加的退火的温度红移动吗？？

简介：Pure-Ge/Sishortperiodsuperlattice(SPS)grownbygassourceMBE(GSMBE)isstudiedbyphotoluminescencespectroscopyandRamanscatteringspectroscopy.AnabnormalbandinphotoluminescenceisfoundinanintermediaterangeofLsibetween1.9nm-2.9nmforsampleswithLgefixedat1.5ml.Incontrasttoapure-Ge/Siquantumwell,theenergyofthebandshowsred-shiftasLsiincreases.RamanscatteringshowsthatSi-SivibrationrelatedRamanshiftreachesaminimumforsampleswithstrongestPLintensityoftheabnormalband.Itisthereforeconcludedthattheabnormalbandisrelatedwithstrainrelaxationprocess.