Room-temperature single molecular memory

被引：8

作者：

Kano, Shinya ^{[1
,2
]}

Yamada, Yasuyuki ^{[2
,3
]}

Tanaka, Kentaro ^{[2
,4
]}

Majima, Yutaka ^{[1
,2
,5
]}

机构：

[1] Tokyo Inst Technol, Mat & Struct Lab, Yokohama, Kanagawa 2268503, Japan

[2] Japan Sci & Technol Agcy, CREST, Yokohama, Kanagawa 2268503, Japan

[3] Nagoya Univ, Res Ctr Mat Sci, Nagoya, Aichi 4648602, Japan

[4] Nagoya Univ, Grad Sch Sci, Dept Chem, Nagoya, Aichi 4648602, Japan

[5] Sunchon Natl Univ, Dept Printed Elect Engn, Sunchon 540742, South Korea

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 05期

关键词：

Number: 11J08966,20108011,21108012, Acronym: KAKEN, Sponsor: Japan Society for the Promotion of Science, Number: -, Acronym: MEXT, Sponsor: Ministry of Education, Culture, Sports, Science and Technology, Number: R31-10022, Acronym: MEST, Sponsor: Ministry of Education, Science and Technology, Number: -, Acronym: TITECH, Sponsor: Tokyo Institute of Technology,;

D O I：

10.1063/1.3679127

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Single molecular memory operation was observed on a porphyrin derivative by scanning tunneling microscopy at room temperature. A porphyrin derivative with four disulfide groups was chemically synthesized and chemisorbed on a Au(111) surface. Coulomb blockade behaviors and switching behaviors in current-voltage (I-V) characteristics were observed on a single porphyrin derivative by scanning tunneling spectroscopy. Based on the switching behaviors, the memory operation of electrical conductance in the porphyrin derivative was demonstrated by applying a programmed pulse sequence with an on/off ratio of 2.9 at room temperature. (C) 2012 American Institute of Physics. [doi:10.1063/1.3679127]

引用

页数：3

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