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Pressure dependence of hole-Mn and Mn-Mn exchange interactions in Cd0.95Mn0.05Se
http://hdl.handle.net/2298/9628
http://hdl.handle.net/2298/962802d27dc7-cf1c-47b2-be67-1dd10131e46f
名前 / ファイル | ライセンス | アクション |
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PRL_077_1111.pdf (466.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-10-24 | |||||
タイトル | ||||||
タイトル | Pressure dependence of hole-Mn and Mn-Mn exchange interactions in Cd0.95Mn0.05Se | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Cd0.95Mn0.05Se, diluted magnetic semiconductors, 希薄磁性半導体, A exciton, A 励起子, laser photoluminescence, レーザ・フォトルミネッセンス, combined extreme conditions, 複合極限条件, exchange interactions, 交換相互作用, charge-transfer energy, 電荷移動エネルギー, on-site Coulomb energy, オンサイト・クーロンエネルギー, electron correlation, 電子相関, pressure dependence, 圧力依存性 | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
Kuroda, Noritaka
× Kuroda, Noritaka× Matsuda, Yasuhiro |
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別言語の著者 |
黒田, 規敬
× 黒田, 規敬× 松田, 康弘 |
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内容記述 | ||||||
内容記述 | Magnetophotoluminescence due to the A exciton has been studied in a diluted magnetic semiconductor Cd0.95Mn0.05Se under hydrostatic pressures of 0–2 GPa at 1.4 K. The experimental data on the pressure dependencies of the hole-Mn p-d and Mn-Mn d-d exchange interactions suggest that in concurrence with an increase in the p-d transfer integral the on-site Coulomb energy U and p-d charge-transfer energy Δ decrease with increasing pressure. The deduced value, dlnU/dP = -2.5×10-2 GPa-1, of the relative pressure coefficient of U is about 4 times in magnitude as great as the linear compressibility of lattice. | |||||
内容記述 | ||||||
内容記述 | 代表的な希薄磁性半導体の一つであるCd0.95Mn0.05SeのA励起子のフォトルミネッセンスを複合極限条件下で詳しく測定した。この測定により、世界で初めてp-d交換結合と最隣接 d-d 超交換結合がそれぞれに加圧とともに増大して行く様子を直接かつ独立に観察することができた。これらの交換結合定数に運動交換結合理論を適用して有効オンサイト・クーロンエネルギー U および電荷移動エネルギー Δ を評価した結果、p 価電子が軌道混成を通してd 電子の電子相関を遮蔽する様子が明瞭に捉えられた。 | |||||
書誌情報 |
Physical Review Letters 巻 77, 号 6, p. 1111-1114, 発行年 1996-08-05 |
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ISSN | ||||||
収録物識別子 | 00319007 | |||||
書誌レコードID | ||||||
収録物識別子 | AA00773679 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
関連識別子 | 10.1103/PhysRevLett.77.1111 | |||||
権利 | ||||||
権利情報 | ©1996 The American Physical Society | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
466805 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
日本十進分類法 | ||||||
主題 | 428.8 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | Cd0.95Mn0.05Seにおける正孔-MnおよびMn-Mn交換相互作用の圧力依存性 | |||||
タイトル(ヨミ) | ||||||
その他のタイトル | Cd0.95 Mn0.05 Se ニ オケル セイコウ -Mn オヨビ Mn-Mn コウカン ソウゴ サヨウ ノ アツリョク イゾンセイ | |||||
出版者 | ||||||
出版者 | The American Physical Society | |||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 | ||||||
URL | ||||||
内容記述 | http://link.aps.org/abstract/PRL/v77/p1111 | |||||
コメント | ||||||
黒田規敬: 熊本大学大学院自然科学研究科マテリアル工学講座・工学部マテリアル工学科 |