Synthesis and Characterization of Multi-Component Metal Nitrides
多组分金属氮化物的合成与表征
基本信息
- 批准号:13450263
- 负责人:
- 金额:$ 7.17万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2001
- 资助国家:日本
- 起止时间:2001 至 2003
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Three phases with antifluorite-type related structures were prepared in the Li_3N-Mg_3N_2 system. The Rietveld analyses for the X-ray powder diffraction patterns was carried out with nitrogen vacancy models for (Li_xMg_<1-x>)_3N_<2-x>(O<x<0.20) and (Li_xMg_<1-x>)_2N_<(2-x)2/3>(0.5<x<0.6). Li and Mg atoms in LiMgN are arranged orderly in the orthorhombic unit cell. For (Li_<1-x>Ni_x)_3N solid solution, the a-axis length increased and the c-axis length decreased with increasing Ni content x. The semiconducting behavior was observed at x=0-0.20 and the sample prepared at x=0.25 showed metallic conductivity that indicated delocalization of electrons. In the Li-Fe-N system, a new nitride was synthesized. The chemical formula suggested by Rietveld analysis was Li_7FeNi_<3.75>. This compound crystallizes in a cubic cell, space group (I-43m), a=9.782Å, and has an antifluorite-type related superstructure. Li_7FeN_<3.75> showed antiferromagnetism (T_N=40K).Six new compounds BasCu_3In_4N_5,Ba<14>Cu_2In_4N_7,Sr_8Cu_3In_4N_5,Ba<0.73>Sr<0.28>CuN, Ba_6In_<4.72>N_3 and Ba_<19>In_9N_9 were found. In each compound, N atoms are surrounded by Ba or Sr and/or Cu atoms, and situated in the N atom centered octahedron of the metal atoms. These octahedra share apexes, edges, and faces, forming tunnel structures in Ba_8Cu_3In_4N_5 and Sr_8Cu_3In_4N_5,a three-dimensional network in Ba_6In_<4.72>N_3,and layered structure in Ba_<14>Cu_2In_4N_7,Ba_<0.73>Sr_<0.28>CuN and Ba_<19>In_9N_9. The Ba_8Cu_3In_4N_5 and Sr_8Cu_3In_4N_5 single crystal exhibited metallic conductivity.
在Li_3 N-Mg_3 N_2体系中制备了具有反萤石型结构的三相。采用氮空位模型对(Li_xMg_<1-x>)_3N_<2-x>(O<x<0.20)和(Li_xMg_<1-x>)_2N_(2-x)2/3>(0.5<x<0.6)的X射线粉末衍射图进行了Rietveld分析。LiMgN中的Li和Mg原子在正交晶胞中有序排列。对于(Li_<1-x>Ni_x)_3N固溶体,随着Ni含量x的增加,a轴长度增加,c轴长度减小。在x=0-0.20下观察到半导体行为,并且在x=0.25下制备的样品显示出金属导电性,这表明电子的离域。在Li-Fe-N体系中,合成了一种新的氮化物。Rietveld分析表明其化学式为Li_7FeNi_3<3.75>。该化合物为立方晶系,空间群为(I-43 m),a=9.782 π,具有反萤石型超结构。Li_7FeN_3<3.75>具有反铁磁性(T_N= 40 K),发现了六种新化合物Ba_Cu_3In_4N_5,Ba_<14>Cu_2In_4N_7,Sr_8Cu_3In_4N_5,Ba<0.73>_Sr_<0.28>CuN,Ba_<4.72>6In_N_3和Ba_<19>In_9N_9,在每种化合物中,N原子被Ba或Sr和/或Cu原子包围,并位于金属原子的N原子中心八面体中。这些八面体共享顶点、棱和面,在Ba_8Cu_3In_4N_5和Sr_8Cu_3In_4N_5中形成隧道结构,在Ba_6In_N_3中形成三维网络<4.72>结构,在Ba_<14>Cu_2In_4N_7、Ba_<0.73>Sr_<0.28>CuN和Ba_<19>In_9N_9中形成层状结构。Ba_8Cu_3In_4N_5和Sr_8Cu_3In_4N_5单晶具有金属导电性。
项目成果
期刊论文数量(24)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
H.Yamane: "Synthesis and crystal structure analysis of Sr_8Cu_3In_4N_5 and Sr_<0.53>Ba_<0.47>CuN"Journal of Solid State Chemistry. 170. 265-272 (2003)
H.Yamane:“Sr_8Cu_3In_4N_5和Sr_<0.53>Ba_<0.47>CuN的合成和晶体结构分析”固体化学杂志。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Hisanori Yamane: "Synthesis and structure of Ba_8 Cu_3 In_4 N_5 with Nitridocuprate Groups and One-Dimensional Infinite Indium Clusters"Journal of Solid State Chemistry. 163. 449-454 (2002)
Hisanori Yamane:“具有硝基铜酸盐基团和一维无限铟团簇的Ba_8 Cu_3 In_4 N_5的合成和结构”固体化学杂志。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
H.Yamane: "Synthesis and structure of Ba_8Cu_3In_4N_5 with Nitridocuprate Groups and One-Dimensional Infinite Indium Clusters"Journal of Solid State Chemistry. 163. 449-454 (2002)
H.Yamane:“具有硝基铜酸盐基团和一维无限铟团簇的Ba_8Cu_3In_4N_5的合成和结构”固体化学杂志。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
H.Yamane: "Ternary nitrides prepared in the Li_3N-Mg_3Na_2 system at 900-1000K"Journal of Alloys and Compounds. 319. 124-130 (2001)
H.Yamane:“Li_3N-Mg_3Na_2 体系在 900-1000K 下制备的三元氮化物”《合金与化合物杂志》。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
H.Yamane: "Ternary nitrides prepared in the Li_<13>N-Mg_3N_2 system at 900-1000K"Journal of Alloys and Compounds. 319. 124-130 (2001)
H.Yamane:“在900-1000K下在Li_ 13 N-Mg_3N_2系统中制备的三元氮化物”合金与化合物杂志。
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SHIMADA Masahiko其他文献
SHIMADA Masahiko的其他文献
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{{ truncateString('SHIMADA Masahiko', 18)}}的其他基金
Altered brain volume in neuropathic pain patients
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16K11743 - 财政年份:2016
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$ 7.17万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Development of the method of treatment for neuropathic pain -Basic study of the effect of iontophoresis-
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22592253 - 财政年份:2010
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A Study on the intravenous sedation with propofol - Function of Swallowing, BIS monitor and blood concentration of propofol -
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A Study on the intravenous sedation with propofal - BIS monitor and blood concentration of propofol
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13672095 - 财政年份:2001
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$ 7.17万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Gallium Nitride Single Crystal Growth by Flux Method
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12555175 - 财政年份:2000
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$ 7.17万 - 项目类别:
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Study on Synthesis and Crystal Structure of Rare-Earth Calcium Silicate
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10450238 - 财政年份:1998
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$ 7.17万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
Study on Fabrication of high Luminous Materials for high Performance Display Devices
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09555187 - 财政年份:1997
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Study on Stress-Induced Phase Transformation of Rare Earth Aluminates
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07455262 - 财政年份:1995
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Grant-in-Aid for Scientific Research (B)
Study on Pressure Sintering of beta-FeSi_2 with highly Efficient Thermoelectric Properties
高效热电性能β-FeSi_2的压力烧结研究
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06555266 - 财政年份:1994
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Grant-in-Aid for Scientific Research (A)
Study on Fabrication of Intense Fluorescent Oxides doped with Rare Earths
稀土掺杂强荧光氧化物的制备研究
- 批准号:
05453073 - 财政年份:1993
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$ 7.17万 - 项目类别:
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