最新色国产精品精品视频,中文字幕日韩一区二区不卡,亚洲有码转帖,夜夜躁日日躁狠狠久久av,中国凸偷窥xxxx自由视频

+高級(jí)檢索
垂直生長(zhǎng)于鋅基底的Co摻雜ZnO納米棒陣列顯著室溫鐵磁性能
DOI:
作者:
作者單位:

公安消防部隊(duì)昆明指揮學(xué)校

作者簡(jiǎn)介:

通訊作者:

中圖分類(lèi)號(hào):

TN304

基金項(xiàng)目:


Remarkable Magnetic Properties of Co-doped ZnO Nanorods array at Room Temperature originated from vertical growth on Zn foil
Author:
Affiliation:

Kunming Fire Command School

Fund Project:

  • 摘要
    • |
  • 圖/表
    • |
  • 訪(fǎng)問(wèn)統(tǒng)計(jì)
    • |
  • 參考文獻(xiàn)
    • |
  • 相似文獻(xiàn)
    • |
  • 引證文獻(xiàn)
    • |
  • 資源附件
    • |
  • 文章評(píng)論
    摘要:

    通過(guò)簡(jiǎn)單的水熱合成法在鋅片基底上一步制備了Co摻雜的ZnO納米棒陣列。納米棒在基底上均勻分布，取向一致，垂直于基底大面積生長(zhǎng)。樣品結(jié)構(gòu)均為六方纖鋅礦結(jié)構(gòu)，具有高結(jié)晶質(zhì)量，不含其它雜相。隨著Co摻雜濃度的增加，紫外發(fā)射峰強(qiáng)度逐漸下降，近帶隙發(fā)射峰的半峰寬也較純ZnO變寬。拉曼光譜顯示Co的摻雜使納米棒出現(xiàn)了氧空位和鋅填隙本征缺陷。隨著Co濃度的增加這些缺陷也隨之增加。摻雜納米棒陣列的磁滯回線(xiàn)表明樣品具有明顯的鐵磁特征，并有較大的矯頑力Hc~660 Oe。這種ZnO基稀磁半導(dǎo)體納米棒陣列是一種在自旋電子器件中具有應(yīng)用潛力的納米材料。

    Abstract:

    Large-area arrays of highly oriented Co-doped ZnO nanorods with hexagonal structure were grown on Zn substrates by single-step hydrothermal process. Structure analysis indicated that the as-prepared products were wurtzite structure, and no other secondary phase was found in the nanorods. The intensity of UV emission peak decreased with the Co doping concentrations increasing. When Co was doped into ZnO lattice, oxygen vacancies and Zn interstitials were created. The concentration of these defects increased with rise of the Co concentration. Magnetic measurement revealed that the Co doped ZnO nanorod arrays exhibited obvious room-temperature ferromagnetic behavior with a large coercive field Hc~660 Oe, which makes them potentially useful as building components for spintronics.

    參考文獻(xiàn)
    相似文獻(xiàn)
    引證文獻(xiàn)
引用本文

李瑩瀅.垂直生長(zhǎng)于鋅基底的Co摻雜ZnO納米棒陣列顯著室溫鐵磁性能[J].稀有金屬材料與工程,2016,45(1):46~50.[Li Yingying. Remarkable Magnetic Properties of Co-doped ZnO Nanorods array at Room Temperature originated from vertical growth on Zn foil[J]. Rare Metal Materials and Engineering,2016,45(1):46~50.]
DOI：[doi]

復(fù)制
文章指標(biāo)
  • 點(diǎn)擊次數(shù):
  • 下載次數(shù):
  • HTML閱讀次數(shù):
  • 引用次數(shù):
歷史
  • 收稿日期:2014-01-02
  • 最后修改日期:2014-01-02
  • 錄用日期:
  • 在線(xiàn)發(fā)布日期: 2019-01-04
  • 出版日期: