Simultaneously high thermal stability and ultra-fastphase change speed based on samarium-dopedantimony thin films

Simultaneously high thermal stability and ultra-fastphase change speed based on samarium-dopedantimony thin films

 
摘要：

The amorphous-to-crystalline transition was investigated by in situ temperature-dependent resistance (R–T) measurementsusing a TP 95 temperature controller (Linkam ScienticInstruments Ltd. Surry, UK) under an Ar atmosphere. Laserirradiation was performed on the lms using a mode-lockedneodymium-doped yttrium aluminum garnet laser operatingat a wavelength of 532 nm with approximately 30 ps. The He–Nelaser with a wavelength of 632.8 nm was used as the probinglaser. The compositions of the deposited lms were determinedby means of energy dispersive spectroscopy (EDS). The crystalline structures of the lms were analyzed by X-ray diffraction(XRD, PANalytical, X'PERT Powder). The surface morphology ofthe lms was examined by atomic force microscopy (AFM, FMNanoview 1000). In order to assess the chemical bonding statesof the Sm doped Sb lms, X-ray photoelectron spectroscopy(XPS, Thermo Scientic, K-Alpha) was carried out.

作者：

Hua Zou, Yifeng Hu, Xiaoqin Zhu and Zhitang Song

期刊：