場發射穿透式電子顯微鏡 場發射掃瞄式電子顯微鏡 雙粒子束聚焦式離子束顯微切割儀 場發射歐傑電子顯微鏡 電子能量損失譜儀 奈米材料 Field emission transmission electron microscopy Field emission scanning electron microscopy Dual-beam focused ion beam Field emission auger electron spectroscopy Electron energy loss spectrometer Nano-materials