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| P-V-T equation of state of molybdenite (MoS2) by a diamond anvil cell and in situ synchrotron angle-dispersive X-ray diffraction | |
| Dawei Fan; Jingui Xu; Maining Ma; Jing Liu; Hongsen Xie | |
| 2014 | |
| 发表期刊 | Physica B: Condensed Matter
 |
| 卷号 | 451期号:1页码:53-57 |
| 摘要 | The pressure-volume-temperature (P-V-T) equation of state (EoS) of a natural molybdenite (MoS2) has been measured at high temperature up to 700 K and high pressures up to 18.26 GPa, by using in situ angle-dispersive X-ray diffraction and diamond anvil cell. Analysis of room-temperature P-V data to a third-order Birch-Murnaghan EoS yields: V-0=107.0 +/- 0.1 angstrom(3), K-0=67 +/- 2 GPa and K'(0)=5.0 +/- 0.3. With K'(0) fixed to 4.0, we obtained: V-0=106.7 +/- 0.1 angstrom(3) and K-0=74.5 +/- 0.8 GPa. Fitting of our P-V-T data by means of the high-temperature third order Birch-Murnaghan equations of state, gives the thermoelastic parameters: V-0=107.0 +/- 0.1 angstrom(3), K-0=69 +/- 2 GPa, K'(0)=4.7 +/- 0.2, (partial derivative K/partial derivative T)(P)=-0.021 +/- 0.003 GPa K-1, a=(2.2 +/- 0.7) x 10(-5) K-1 and b=(2.9 +/- 0.8) x 10(-8) K-2. The temperature derivative of the bulk modulus and thermal expansion coefficient of MoS2 are obtained for the first time Present results are also compared with previously studies determined the elastic properties of MoS2 and WS2. |
| 关键词 | Molybdenite Equation Of State High Pressure And High Temperature X-ray Diffraction Diamond Anvil Cell |
| 学科领域 | 地球深部物质与流体作用地球化学 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.gyig.ac.cn/handle/352002/5259 |
| 专题 | 地球内部物质高温高压实验室_地球内部物质高温高压实验室_期刊论文 |
| 推荐引用方式 GB/T 7714 | Dawei Fan,Jingui Xu,Maining Ma,et al. P-V-T equation of state of molybdenite (MoS2) by a diamond anvil cell and in situ synchrotron angle-dispersive X-ray diffraction[J]. Physica B: Condensed Matter,2014,451(1):53-57. |
| APA | Dawei Fan,Jingui Xu,Maining Ma,Jing Liu,&Hongsen Xie.(2014).P-V-T equation of state of molybdenite (MoS2) by a diamond anvil cell and in situ synchrotron angle-dispersive X-ray diffraction.Physica B: Condensed Matter,451(1),53-57. |
| MLA | Dawei Fan,et al."P-V-T equation of state of molybdenite (MoS2) by a diamond anvil cell and in situ synchrotron angle-dispersive X-ray diffraction".Physica B: Condensed Matter 451.1(2014):53-57. |
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