Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Zang Chuan-Yi"'
Publikováno v:
Zeitschrift für Kristallographie - New Crystal Structures, Vol 234, Iss 2, Pp 243-244 (2019)
C13H12O4, triclinic, P1̄ (no. 2), a = 6.141(5) Å, b = 8.108(6) Å, c = 12.234(9) Å, α = 79.257(12)°, β = 76.820(12)°, γ = 74.687(11)°, V = 566.8(7) Å3, Z = 2, Rgt(F) = 0.0515, wRref(F2) = 0.1575, T = 296(2) K.
Externí odkaz:
https://doaj.org/article/56b8632258fa4c10b935fe141d56d54a
Autor:
Tian Yu, Jia Xiao-Peng, Xiao Hong-Yu, MA Li-Qiu, Li Xiaolei, Ma Hong-An, Li Yong, Zhang Ya-Fei, Li Shangsheng, Huang Guo-Feng, Zang Chuan-Yi
Publikováno v:
Chinese Physics Letters. 25:3801-3804
High-quality type-Ma gem diamond crystals are successfully synthesized in a Ni70Mn25 C05-C system by temperature gradient method (TGM) at about 5.5 GPa and 1560 K. Al and Ti/Cu are used as nitrogen getters respectively. While nitrogen getter Al or Ti
Autor:
Zhou Shengguo, Jia Xiao-Peng, Guo Wei, Zang Chuan-Yi, Li Xiaolei, MA Hong-An, Zhang He-Min, Li Shangsheng
Publikováno v:
Chinese Physics Letters. 25:2667-2669
Micron grade boron-doped diamond crystals with octahedral morphology are successfully synthesized in a Fe—Ni—C—B system under high pressure and high temperature (HPHT). The effects of the additive boron on synthesis conditions, nucleation and g
Autor:
Jia Xiao-Peng, Zhang Ya-Fei, Xiao Hong-Yu, Zang Chuan-Yi, Li-Qiu, Li Shangsheng, Huang Guo-Feng, Tian Yu, Ma Hong-An
Publikováno v:
Chinese Physics Letters. 25:1469-1471
High quality Ib gem diamond single crystals were synthesized in cubic anvil high-pressure apparatus (SPD-6 × 1200) under 5.4 GPa and 1230°C-1280°C. The (100) face of seed crystal was used as growth face, and Ni70Mn25Co5 alloy was used as solvent/c
Publikováno v:
Chinese Physics Letters. 24:2991-2993
With NiMnCo and FeCoNi alloys as solvent metals, large single-crystal diamonds of about 3 mm across are grown by temperature gradient method (TGM) under high temperature and high pressure (HPHT). Although both {100} and {111} surfaces are developed b
Publikováno v:
Chinese Physics Letters. 23:214-216
Large high-quality type Ib diamond crystals have been grown with different seed surfaces by temperature gradient method at 5.5 GPa, 1500–1600 K, with NiMnCo alloy as the metal solvent. Compared with {100} as the growth surface, the growth region of
Publikováno v:
Chinese Physics Letters. 22:2415-2417
Generally, when growing high-quality large gem diamond crystals by temperature gradient method under high pressure and high temperature, the crystal growth rate is only determined by the temperature gradient. However, we find that the seed crystal ca
Publikováno v:
Chinese Physics Letters. 22:1800-1802
Large high-quality type-II a diamond crystals in size of about 4.0 mm have been grown under the condition of 5.5 GPa and 1200–1300 degrees C by using the temperature gradient method in a domestic cubic anvil high-pressure apparatus. The Fe55Co16Ni2
Publikováno v:
Chinese Physics Letters. 22:236-238
There is a widespread interest in lead telluride (PbTe) as a good thermoelectric material. We report the temperature dependence of thermopower S(T) and resistance R(T) for PbTe at the different pressures of from 1.8 GPa to 5 GPa obtained by using the
Publikováno v:
Chinese Physics Letters. 21:1648-1650
Using the temperature gradient method under high pressure and high temperature, we investigate the dependence of growing high-quality gem diamond crystals on the growth rates. It is found that the lower the growth rate of gem diamond crystals, the la