| Extended X-ray absorption fine-structure studies of Zn1-xMnxSe alloy structure | |
|---|---|
| 學年 | 78 |
| 學期 | 2 |
| 出版（發表）日期 | 1990-04-01 |
| 作品名稱 | Extended X-ray absorption fine-structure studies of Zn1-xMnxSe alloy structure |
| 作品名稱（其他語言） | |
| 著者 | Pong, Way-faung; Mayanovic, R.A.; Bunker, B.A.; Furdyna, J.K.; Debska, U. |
| 單位 | 淡江大學物理學系 |
| 出版者 | College Park: American Physical Society |
| 著錄名稱、卷期、頁數 | Physical Review B (Condensed Matter) 41(12), pp.8440-8448 |
| 摘要 | Bond lengths, Debye-Waller factors, and site occupancy in the diluted magnetic semiconductor Zn1-xMnxSe have been measured using extended x-ray-absorption fine structure. The nearest-neighbor bond lengths at both room temperature and low temperature (77 K) are found to be constant as a function of alloy composition within the experimental uncertainty of 0.01 Å. Because the average cation-cation distance changes with Mn content, these results necessarily imply distortion of the tetrahedral bond angles. The anion sublattice is shown to suffer the largest distortion, but the cation sublattice also exhibits some relaxation. The repercussions of these results are discussed, in terms of the amount of cation and anion sublattice distortion at low temperature and its connection to the superexchange mechanism occurring between the Mn2+ ions and mediated by the intervening anion in Zn1-xMnxSe. |
| 關鍵字 | |
| 語言 | en |
| ISSN | 0163-1829 1095-3795 |
| 期刊性質 | 國外 |
| 收錄於 | SCI |
| 產學合作 | |
| 通訊作者 | |
| 審稿制度 | |
| 國別 | USA |
| 公開徵稿 | |
| 出版型式 | 紙本 電子版 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/27764 ) |
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