کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9816839 | 1518375 | 2005 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Direct observation of adsorption-induced electronic states by low-temperature scanning tunneling microscopy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Direct observation of adsorption-induced electronic states by low-temperature scanning tunneling microscopy Direct observation of adsorption-induced electronic states by low-temperature scanning tunneling microscopy](/preview/png/9816839.png)
چکیده انگلیسی
We have studied local density states of cobalt-phthalocyanine (CoPc) molecules on a Cu (1Â 0Â 0) surface by low-temperature scanning tunneling microscopy. Differential conductance (dI/dV) spectra of CoPc molecules had two peaks at 0.45Â eV below and 0.1Â eV above the Fermi level (EF). The dI/dV image revealed that Co atoms had large contribution to the state around 0.45Â eV. The peak at 0.1Â eV above EF was assigned to the states induced by the adsorption of molecules on surfaces. The porphyrin part of the CoPc molecules was found to contribute to this state. The lowest unoccupied molecular orbital was thought to hybridize with the electronic states of Cu (1Â 0Â 0) to generate the adsorption-induced state.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ultramicroscopy - Volume 105, Issues 1â4, November 2005, Pages 22-25
Journal: Ultramicroscopy - Volume 105, Issues 1â4, November 2005, Pages 22-25
نویسندگان
Masaki Takada, Hirokazu Tada,