Positive magnetoresistance in TixW1-xSe2 (x = 0, 0.03) platelet crystals by Sunil Kunjachan

Crystal Research and Technology

Cryst. Res. Technol. 41, 1027 (2006) - Abstract -

Positive magnetoresistance in Ti_xW_1-xSe₂ (x = 0, 0.03) platelet crystals

Sunil Kunjachan

Department of Physics, St. Albert’s College, Cochin 682- 018, India

Keywords	magnetoresistance, transition metal dichalcogenide, platelet
PACS	08.15.Bh
DOI	10.1002/crat.200610715

Layered transition metal dichalcogenide crystal, WSe₂, has been grown by direct vapour transport technique. Titanium is used as a dopant in to the 2H type MX₂ matrix. These crystals show positive magnetoresistance and a switching behaviour is observed at room temperature in the titanium-intercalated sample. The relative resistance change due to magnetic field for the doped sample is found to switch from 23.6% to 39.6% when the sample is rotated through 0° to 90°.

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