Fabrication of nanotweezers and their remote actuation by magnetic fields

被引：3

作者：

Iss, Cecile ^{[1
,2
,3
]}

Ortiz, Guillermo ^{[1
,2
,3
]}

Truong, Alain ^{[1
,2
,3
]}

Hou, Yanxia ^{[1
,2
,3
,4
]}

Livache, Thierry ^{[1
,2
,3
]}

Calemczuk, Roberto ^{[1
,2
,3
]}

Sabon, Philippe ^{[1
,2
,3
]}

Gautier, Eric ^{[1
,2
,3
]}

Auffret, Stephane ^{[1
,2
,3
]}

Buda-Prejbeanu, Liliana D. ^{[1
,2
,3
]}

Strelkov, Nikita ^{[1
,2
,3
]}

Joisten, Helene ^{[1
,2
,3
,5
]}

Dieny, Bernard ^{[1
,2
,3
]}

机构：

[1] Univ Grenoble Alpes, INAC SX, F-38000 Grenoble, France

[2] CEA, INAC SX, F-38000 Grenoble, France

[3] CNRS, SX, F-38000 Grenoble, France

[4] CNRS, SYMMES, F-38000 Grenoble, France

[5] CEA, LETI, Minatec Campus, F-38000 Grenoble, France

来源：

SCIENTIFIC REPORTS | 2017年 / 7卷

关键词：

EXCHANGE-BIAS; TWEEZERS; NANOPARTICLES;

D O I：

10.1038/s41598-017-00537-6

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A new kind of nanodevice that acts like tweezers through remote actuation by an external magnetic field is designed. Such device is meant to mechanically grab micrometric objects. The nanotweezers are built by using a top-down approach and are made of two parallelepipedic microelements, at least one of them being magnetic, bound by a flexible nanohinge. The presence of an external magnetic field induces a torque on the magnetic elements that competes with the elastic torque provided by the nanohinge. A model is established in order to evaluate the values of the balanced torques as a function of the tweezers opening angles. The results of the calculations are confronted to the expected values and validate the overall working principle of the magnetic nanotweezers.

引用

页数：9

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