Semiconductor-insulator transition in a YbB6 nanowire with boron vacancy
Semiconductor-insulator transition in a YbB6 nanowire with boron vacancy
复制标题
具有硼空位的 YbB6 纳米线中的半导体-绝缘体转变
DOI:
10.1016/j.jssc.2018.03.029
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发表时间:
2018-06
影响因子:
3.3
通讯作者:
Zhao Yanming
中科院分区:
文献类型:
--
作者:
Han Wei;Wang Zhen;Li Qidong;Lian Xin;Liu Xudong;Fan Qinghua;Zhao Yanming
In this paper, we report the study of transport and magnetic properties of ytterbium hexaboride (YbB6) nanowires grown by a low trigger-temperature (200–240 °C) solid state method. The temperature dependence of resistivity shows that the YbB6nanowire undergoes a semiconductor-insulator transition (SIT) below 20 K with an activation energy ΔEof 1 meV. The value ofρat 2 K reaches 49 times the value of ρ at 300 K (ρ2 K/ρ300 K= 49). The observed non-saturating magnetoresistance (MR) has a linear relationship withB2. The anomalous electronic transport in the YbB6nanowire can be explained by the mixed valence of Yb ions due to the boron deficiency supporting by the X-ray photoelectron spectroscopy (XPS) and paramagnetic magnetization.
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影响因子:
1.8
作者:
N. Mott
通讯作者:
N. Mott
影响因子:
3.3
作者:
Han Wei;Wang Zhen;Li Qidong;Liu Huatao;Fan Qinghua;Dong Youzhong;Kuang Quan;Zhao Yanming
通讯作者:
Zhao Yanming
DOI:
--
发表时间:
2015-03
期刊:
Bulletin of the American Physical Society
影响因子:
--
作者:
Lu Li
通讯作者:
Lu Li
影响因子:
3.7
作者:
N. Ogita;S. Nagai;N. Okamoto;M. Udagawa;F. Iga;M. Sera;J. Akimitsu;S. Kunii
通讯作者:
N. Ogita;S. Nagai;N. Okamoto;M. Udagawa;F. Iga;M. Sera;J. Akimitsu;S. Kunii
影响因子:
4
作者:
Muraoka, Y;Hiroi, Z
通讯作者:
Hiroi, Z