On-chip torsion balances with femtonewton force resolution at room temperature enabled by carbon nanotube and graphene

Author:

Cong Lin1ORCID,Yuan Zi1,Bai Zaiqiao2ORCID,Wang Xinhe3ORCID,Zhao Wei4ORCID,Gao Xinyu1,Hu Xiaopeng15,Liu Peng1ORCID,Guo Wanlin6ORCID,Li Qunqing1ORCID,Fan Shoushan1,Jiang Kaili15ORCID

Affiliation:

1. State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua-Foxconn Nanotechnology Research Center, Department of Physics, Tsinghua University, Beijing 100084, China.

2. Department of Physics, Beijing Normal University, Beijing 100875, China.

3. Fert Beijing Research Institute, School of Microelectronics and Beijing Advanced Innovation Centre for Big Data and Brain Computing (BDBC), Beihang University, Beijing 100191, China.

4. No. 58th Research Institute of China Electronics Technology Research Group Corporation, Wuxi 214035, China.

5. Frontier Science Center for Quantum Information, Beijing 100084, China.

6. Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, State Key Laboratory of Mechanics and Control of Mechanical Structures, and Institute of Nanoscience, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.

Abstract

On-chip torsion balance with a CNT suspension wire and a graphene/Al ultrathin mirror is capable of detecting femtonewton force.

Funder

NSFC-Shandong Joint Fund

National Key Research and Development Program of China Stem Cell and Translational Research

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference54 articles.

1. Premier Mémoire sur l’Electricité et le Magnétisme;de Coulomb C. A.;Mém. Acad. Roy. Sci.,1785

2. XXI. Experiments to determine the density of the earth

3. Torsion balances, torsion pendulums, and related devices

4. A preliminary communication on the pressure of heat and light radiation;Nichols E. F.;Phys. Rev.,1901

5. Brownian motion of a torsion pendulum with internal friction

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