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- Seo, Kwanyong
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Itinerant Helimagnetic Single-Crystalline MnSi Nanowires
- Alternative Title
- Itinerant Helimagnetic Single-Crystalline MnSi Nanowires
- Author(s)
- Seo, Kwanyong, Yoon, Hana, Ryu, Seong-Wan, Lee, Sunghun, Jo, Younghun, Jung, Myung-Hwa, Kim, Jinhee, Choi, Yang-Kyu, Kim, Bongsoo
- Issued Date
- 2010-05
- Citation
- ACS NANO, v.4, no.5, pp.2569 - 2576
- Abstract
- We report the synthesis of free-standing MnSi nanowires via a vapor transport method with no catalyst and measurements of their electrical and magnetic properties for the first time. The single-crystalline MnSi nanowire ensemble with a simple cubic (B20) crystal structure shows itinerant helimagnetic properties with a T-c of about 30 K. A single MnSi nanowire device was fabricated by a new method using photolithography and a nanomanipulator that produces good ohmic contacts. The single-nanowire device measurements provide large (20%) negative magnetoresistance and very low electrical resistivity of 544 mu Omega cm for the MnSi nanowire
- Publisher
- AMER CHEMICAL SOC
- ISSN
- 1936-0851
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