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Sub-attonewton force detection at millikelvin temperatures
Abstract
A 290-nm-thick single-crystal silicon cantilever has been cooled in vacuum to a temperature of 110 mK in order reduce its thermal motion and thereby improve the achievable force resolution. Since the thermal conductivity of the silicon cantilever is extremely low at millikelvin temperatures, an improved optical fiber interferometer was developed to measure the subangstrom thermal motion with optical powers as low as 2 nW. At the lowest temperature, the cantilever exhibited a quality factor of 150 000 and achieved a noise temperature of 220 mK, with a corresponding force noise of 820 zN in a 1 Hz bandwidth.
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Citations
Cites
The hierarchy problem and new dimensions at a millimeter
Arkani–Hamed, N., Dimopoulos, S., & Dvali, G. (1998) · Physics Letters B · doi:10.1016/s0370-2693(98)00466-3 · Cited by 6,563
Phonon-boundary scattering in thin silicon layers
Asheghi, M., Leung, Y. K., Wong, S. S., & Goodson, K. E. (1997) · Applied Physics Letters · doi:10.1063/1.119402 · Cited by 337
Cited by
A tunable carbon nanotube electromechanical oscillator
Sazonova, V., Yaish, Y., Üstünel, H., Roundy, D., Arias, T. A., & McEuen, P. L. (2004) · Nature · doi:10.1038/nature02905 · Cited by 1,312
Cantilever transducers as a platform for chemical and biological sensors
Lavrik, N. V., Sepaniak, M. J., & Datskos, P. G. (2004) · Review of Scientific Instruments · doi:10.1063/1.1763252 · Cited by 1,117
Towards quantum superpositions of a mirror
Marshall, W., Simon, C., Penrose, R., & Bouwmeester, D. (2003) · Physical Review Letters · doi:10.1103/physrevlett.91.130401 · Cited by 960
Quantum optomechanics—throwing a glance [Invited]
Aspelmeyer, M., Gröblacher, S., Hammerer, K., & Kiesel, N. (2010) · Journal of the Optical Society of America B · doi:10.1364/josab.27.00a189 · Cited by 280
Dissipation in nanoelectromechanical systems
Imboden, M., & Mohanty, P. (2014) · Physics Reports · doi:10.1016/j.physrep.2013.09.003 · Cited by 273
Metadata
- Authors
- Mamin, H. J., & Rugar, D.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2001-11-12
- Volume
- 79
- Issue
- 20
- Pages
- 3358-3360
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1970737244
- Cited by
- 439
- References
- 2
- FWCI
- 12.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mamin, H. J., & Rugar, D. (2001). Sub-attonewton force detection at millikelvin temperatures. Applied Physics Letters. https://doi.org/10.1063/1.1418256
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