X-ray photoelectron spectroscopy of (La0.7Sr0.3)MnO3 thin films prepared by pulsed laser deposition，熊惠芳，唐新桂，(La0.7Sr0.3)MnO3 (LSMO) thin films grown on Si (100) substrate by using pulsed laser deposition (PLD) process. Both structure and surface morp