Structure and magnetic properties of the self-assembled Co52Pt48 nanowire arrays
Co52Pt48 nanowire arrays with diameter of about 10 nm have been fabricated by electrodeposition into the anodic aluminum oxide templates. The as-deposited nanowire arrays exhibit fcc struct...
Co52Pt48 nanowire arrays with diameter of about 10 nm have been fabricated by electrodeposition into the anodic aluminum oxide templates. The as-deposited nanowire arrays exhibit fcc struct...
Boron's effect on martensitic transformation and magnetocaloric effect in Ni43Mn46Sn11Bx alloys
The most used method for changing the martensitic transformation temperatures in the ferromagnetic shape memory alloys is tuning the valence election concentration e/a. In this paper, we report an alt...
The most used method for changing the martensitic transformation temperatures in the ferromagnetic shape memory alloys is tuning the valence election concentration e/a. In this paper, we report an alt...
Observation of large h/2e and h/4e oscillations in a proximity dc superconducting quantum interference device
Appl. Phys. Lett. 92, 102502 (2008); doi:10.1063/1.2894515
Published 10 March 2008
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We have measured the magnetoresistance of a dc superconducting quantum interference device in the form of an interrupted mesoscopic normal metal loop in contact with two superconducting electrodes. Below the transition temperature of the superconducting electrodes, large h/2e periodic magnetoresistance oscillations are observed. By adding a small dc bias to the ac measurement current, h/4e oscillations can be produced. Lowering the temperature further leads to even larger oscillations, and eventually to sharp switching from the superconducting state to the normal state. This flux-dependent resistance could be utilized to make a highly sensitive flux detector.
©2008 American Institute of Physics
| History: | Received 31 December 2007; accepted 18 February 2008; published 10 March 2008 |
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http://link.aip.org/link/?APPLAB/92/102502/1 |
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