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|Title:||Electrical transport study of magnetomechanical nanocontact in ultrahigh vacuum using carbon nanowalls|
|Source:||Zhang, C., Wang, Y., Huang, L., Wu, Y. (2010-08-09). Electrical transport study of magnetomechanical nanocontact in ultrahigh vacuum using carbon nanowalls. Applied Physics Letters 97 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3478239|
|Abstract:||We present the results of an experimental study on a magnetomechanical nanocontact in ultrahigh vacuum, which is formed between a Ni nanoprobe and carbon nanowalls. The latter are thin graphite sheets grown almost vertically on a SiO2/Si substrate which greatly facilitates the formation of nanocontacts with adjustable contact size. Very large magnetoresistance with well-defined hysteresis and reproducibility has been observed at room temperature, which is interpreted as being caused by the magnetomechanical effect. Instead of functioning merely as an on/off switch, the linear response to an external field within a finite range makes this kind of nanocontact potentially also useful for sensing applications. © 2010 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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