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Soliton-to-band optical absorption in a quasi one-dimensional PtII-PtIV mixed valence complex under hydrostatic pressure
http://hdl.handle.net/2298/9612
http://hdl.handle.net/2298/9612e3979d81-cdde-4c78-ba84-d57a8c5eec5c
名前 / ファイル | ライセンス | アクション |
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PRL_058_2122.pdf (389.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-10-22 | |||||
タイトル | ||||||
タイトル | Soliton-to-band optical absorption in a quasi one-dimensional PtII-PtIV mixed valence complex under hydrostatic pressure | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | PtCl complex, 白金錯体, quasi one-dimensional, 擬一次元, soliton, ソリトン, midgap absorption, ミッドギャップ吸収, hydrostatic pressure, 静水圧 | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
Kuroda, Noritaka
× Kuroda, Noritaka× 酒井, 政道× 仁科, 雄一郎× 田中, 正俊× 栗田, 進 |
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別言語の著者 |
黒田, 規敬
× 黒田, 規敬× 酒井, 政道× 仁科, 雄一郎× 田中, 正俊× 栗田, 進 |
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内容記述 | ||||||
内容記述 | A midgap absorption band is observed in the quasi one-dimensional semiconductor [Pt(en)2]-[Pt(en)2Cl2](ClO4)4 under hydrostatic pressures at room temperature, where en is ethylenediamine. The transition is allowed only for the polarization parallel to the -Cl-PtII-Cl-PtIV- chain. The peak position remains near the middle of the Peierls gap at any pressure up to 2.2 GPa. The intensity increases exponentially with the peak shift. The gap states responsible for this band are attributed to soliton excitations corresponding to kinks of the charge-density wave. | |||||
内容記述 | ||||||
内容記述 | 顕著な一次元物性を示すことで注目を集めている擬一次元白金錯体[Pt(en)2][Pt(en)2Cl2](ClO4)4の結晶について光吸収スペクトルを静水圧下で測定した結果、パイエルスギャップのほぼ中間に対応する近赤外波長位置に、加圧と共に成長する一つの吸収帯が発見された。パイエルスギャップ自体は移動積分の増大のために圧力によって減少するが、新しい吸収帯も低エネルギー側にシフトし、かつシフト量はパイエルスギャップの減少分のほぼ二分の一に等しい。この結果に基づいて、新しい吸収帯は擬一次元結合上に生成した電子ソリトンによるものとの解釈を提案し、静水圧という手段で物理的に制御できた初めてのソリトンであることを論述した。 | |||||
書誌情報 |
Physical Review Letters 巻 58, 号 20, p. 2122-2125, 発行年 1987-05-18 |
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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.58.2122 | |||||
権利 | ||||||
権利情報 | ©1987 The American Physical Society | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
389780 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
日本十進分類法 | ||||||
主題 | 428.4 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | 静水圧下における擬一次元混合原子価白金錯体のソリトン-電子帯間光吸収 | |||||
タイトル(ヨミ) | ||||||
その他のタイトル | セイスイ アツカ ニ オケル ギ イチジゲン コンゴウ ゲンシカ ハッキン サクタイ ノ ソリトン デンシタイ カン ヒカリ キュウシュウ | |||||
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/v58/p2122 | |||||
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 |