Chemical Vapor Deposition of IrTe2 Thin Films
Chemical Vapor Deposition of IrTe2 Thin Films
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IrTe2 薄膜的化学气相沉积
DOI:
10.3390/cryst10070575
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发表时间:
2020-07
期刊:
影响因子:
2.7
通讯作者:
Xie Liming
中科院分区:
文献类型:
--
作者:
Zhou Rui;Zhao Zhaoyang;Wu Juanxia;Xie Liming
Two-dimensional (2D) IrTe2 has a profound charge ordering and superconducting state, which is related to its thickness and doping. Here, we report the chemical vapor deposition (CVD) of IrTe2 films using different Ir precursors on different substrates. The Ir(acac)3 precursor and hexagonal boron nitride (h-BN) substrate is found to yield a higher quality of polycrystalline IrTe2 films. Temperature-dependent Raman spectroscopic characterization has shown the q1/8 phase to HT phase at ~250 K in the as-grown IrTe2 films on h-BN. Electrical measurement has shown the HT phase to q1/5 phase at around 220 K.
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