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多元鑭基六硼化物固溶體材料研究進展
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作者單位:

國防科技大學空天科學學院新型陶瓷纖維及其復合材料重點實驗室

作者簡介:

通訊作者:

中圖分類號:

TB321

基金項目:

國家自然科學基金資助(項目號51902342)


Research Progress on Multicomponent Lanthanum Based Hexaboride Solid Solutions
Author:
Affiliation:

Science and Technology on Advanced Ceramic Fibers and Composites Laboratory,College of Aerospace Science and Engineering,National University of Defense Technology

Fund Project:

Natural National Science Foundation of China (51902342)

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    摘要:

    多元鑭基六硼化物固溶體是異質金屬元素進入六硼化鑭（LaB6）晶格中取代部分La原子而形成含三種及以上元素的化合物。相比于單一LaB6，多元鑭基六硼化物固溶體具有更低的電子逸出功和可調節(jié)的光吸收性能，在電子和光學領域應用前景廣闊，受到了眾多研究者的關注。由于異質金屬元素種類眾多，且組合方式多樣，導致多元鑭基六硼化物固溶體材料體系種類龐大且復雜多變。為此，本文系統(tǒng)梳理了近年來多元鑭基六硼化物固溶體材料在晶體結構、制備工藝及光電性能三個方面的研究進展情況，分析了當前多元鑭基六硼化物固溶體材料所面臨的難題，并從理論、技術及應用三個方面對多元鑭基六硼化物固溶體材料的未來發(fā)展方向進行了展望。

    Abstract:

    Multicomponent lanthanum based hexaborides which formed by solid solution of heterometallic elements into the lattice of lanthanum hexaboride (LaB6) to replace La atoms, have great application prospects in electronics and optics due to their low work function and adjustable light absorption, and attract an increasing attention in recent years. However, multicomponent lanthanum based hexaborides have great varieties and complex change because of the various kinds and countless combinations of heterometallic elements used to replace La atoms. Herein, research progress on crystal structure, preparation technology and photoelectric performance of multicomponent lanthanum based hexaboride solid solutions are reviewed in this paper. Meanwhile, current challenges faced by multicomponent lanthanum based hexaboride solid solutions are analyzed. Lastly, future development directions of theory, technology and application of multicomponent lanthanum based hexaboride solid solutions are prospected.

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引用本文

余藝平,王 松,李 偉.多元鑭基六硼化物固溶體材料研究進展[J].稀有金屬材料與工程,2023,52(5):1954~1962.[Yu Yiping, Wang Song, Li Wei. Research Progress on Multicomponent Lanthanum Based Hexaboride Solid Solutions[J]. Rare Metal Materials and Engineering,2023,52(5):1954~1962.]
DOI：10.12442/j. issn.1002-185X.20220375

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  • 收稿日期:2022-04-30
  • 最后修改日期:2022-06-07
  • 錄用日期:2022-07-12
  • 在線發(fā)布日期: 2023-06-08
  • 出版日期: 2023-05-29