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理學院
物理學系
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73905
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search.filters.author.Wen-bin Chen
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search.filters.author.陳文賓
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search.filters.subject.coercivity
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search.filters.subject.chronoamperometry (CA)
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search.filters.subject.cyclic voltammetry (CV)
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search.filters.subject.Hysteresis curves
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search.filters.subject.magnetic
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硫酸鈉與硼酸溶液對導電玻璃ITO上鍍鈷的影響
(
2012
)
陳文賓
;
Wen-bin Chen
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本研究探討硫酸鈉與硼酸溶液對導電玻璃ITO上鍍鈷的影響。以循環伏安法找出適合的電鍍電壓,並改變不同的電解質輔助液探討對鈷膜表面的影響。我們藉由金相顯微鏡、原子力顯微鏡對鈷膜表面進行觀察,再以固定電鍍電壓的方式,分析得到電流對時間的關係,判定鈷在ITO上為接近瞬時成核的機制,並利用磁光柯爾效應測量鈷膜的磁性。 在實驗的過程中我們發現,電解質輔助液硫酸鈉以及硼酸各有其優缺點,硫酸鈉幫助我們決定所需要電鍍的電壓以及增加還原電流,硼酸輔助液不僅可以抑制產生Co的氫氧化物,它還能讓薄膜均勻成長。我們發現硼酸的濃度明顯影響Co島的結構,並進而改變磁性之量測結果。
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