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minglianggao

银虫 (正式写手)

★ ★ ★ ★ ★
waiy2001(金币+5,VIP+0):谢谢支持版主活动
【学科领域】配体场理论研究
【文献题目】The correlation between zero-field splitting and site
distortions of Mn2+ ions in CsCl:Cr3+ system: a complete energy matrices study
【期刊来源】J.Phys.Chem.B
【作者或课题组】Lu C, Kuang X Y, Tan X M, Yang X
【发表时间】2008
【内容简介】A theoretical method for investigating the inter-relation between the electronic and molecular structures of  Mn2+ configuration ions in a tetragonal ligand field
【体会&收获】充分理解了配位场理论的实质,掌握了晶体场基本知识,收获很多....
预祝自己博后基金能够顺利拿到1等资助。国家基金面上项目和省基金面上都能中!!!
11楼2009-01-02 22:15:31
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wsujlu378

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waiy2001(金币+5,VIP+0):谢谢支持版主活动
【学科领域】MOFs and nanocrystal
【文献题目】Facile synthesis of nanocrystals of a microporous metal–organic
framework by an ultrasonic method and selective sensing
of organoamines
【期刊来源】ChemComm
【作者或课题组】Ling-Guang Qiu,* Zong-Qun Li, Yun Wu,
【发表时间】2008
【内容简介】In this work we present the rapid synthesis of nanocrystals of a fluorescent microporous metal-organic framework using an ultrasonic
method, and their utility for selective sensing of organoamines.
【体会&收获】优点是为快速高效合成纳米晶提供了一个新的方法,缺点是无法定向合成纳米晶。只能是先获得纳米晶,再通过结构数据找文献寻找是什么晶体。是种新方法,但是不具备更为广泛的意思。不过我说的其实现在基本没有做到的
12楼2009-01-03 12:20:02
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gold1987

木虫 (职业作家)

★ ★ ★ ★ ★
lingzi326(金币+5,VIP+0):非常感谢~~~
【学科领域】晶体生长
【文献题目】A hybrid green light-emitting diode comprised of n-ZnO/(InGaN/GaN) multi-quantum-wells/p-GaN
【期刊来源】Appl. Phys. Lett
【作者或课题组】C. Bayram,1 F. Hosseini Teherani,2 D. J. Rogers,2 and M. Razeghi1
1Center for Quantum Devices, Department of Electrical Engineering and Computer Science, Northwestern University, Evanston, Illinois 60208, USA
2Nanovation SARL, 103 bis Rue de Versailles, Orsay 91400, France

【发表时间】2008
【内容简介】Hybrid green light-emitting diodes (LEDs) comprised of n-ZnO/(InGaN/GaN) multi-quantum-wells/p-GaN were grown on semi-insulating AlN/sapphire using pulsed laser deposition for the n-ZnO and metal organic chemical vapor deposition for the other layers.
【体会&收获】提供了一种新型高效氮化镓发光二极管的制作方法。
13楼2009-01-05 15:48:27
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qingshaojun0823

荣誉版主 (文坛精英)

LOVE

优秀版主

最近读的书中还真没有晶体相关的,也参加不了活动了,来学习一下
大海能吞噬想往的生命,但吞噬不了生命的想往!
14楼2009-01-10 10:38:23
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haru007

木虫 (著名写手)

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warlen(金币+5,VIP+0):谢谢支持晶体活动,晶体因你而精彩!
【学科领域】无机化学----稀土
【文献题目】Novel Luminescent Lanthanide(III) Diphosphonates with Rarely
Observed Topology
【期刊来源】Crystal Growth & Design,
【作者或课题组】Jiang-Gao Mao
【发表时间】2007,VOL.7,NO.2,360-366
【内容简介】Hydrothermal reactions of lanthanide(III) salts with N-(2-pyridyl)-aminomethane-1,1-diphosphonic acid (H4L) led
to five new lanthanide(III) phosphonates, namely, La4(H2L)4(H3L)4(H2O)4á20H2O (1) and Ln(H2L)(H3L)á4H2O (Ln ) Eu (2), Gd
(3), Dy (4), and Er (5)). Compound 1 features a 3D framework with rarely observed topology in which each lanthanum(III) ion is
eight-coordinated by seven phosphonic oxygen atoms from four phosphonate ligands and an aqua ligand. It possesses two types of
tunnels running parallel to the a-axis, one formed by five La(III) ions and five organic moieties, the other by seven La(III) ions and
seven organic moieties. It shows noninterpenetrated three-connected topology.
【体会&收获】论文中的拓扑结构值得学习
15楼2009-01-11 13:23:44
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pcyxgc8012

金虫 (正式写手)

阿伊达

MOF

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waiy2001(金币+5,VIP+0):谢谢支持活动 2-12 18:43
我觉得是很有价值的文章,希望对大家有用
眼神里刻录过往,不会撒谎
16楼2009-02-12 15:33:34
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pcyxgc8012

金虫 (正式写手)

阿伊达

waiy2001(金币+0,VIP+0):你可以用纳米盘上传呀 2-12 18:42
为什么大于512K的不能上传啊,我的一些好文献都是1M左右的啊
眼神里刻录过往,不会撒谎
17楼2009-02-12 15:34:48
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brilliant

捐助贵宾 (职业作家)

★ ★ ★ ★ ★
waiy2001(金币+5,VIP+0):谢谢支持活动 2-12 18:43
【学科领域】无机化学-手性晶体(骨架)制备
【文献题目】Cooperative Self-Assembly of Chiral L-Malate and Achiral Succinate in
the Formation of a Three-Dimensional Homochiral Framework
【期刊来源】Inorg. Chem. 2008, 47, 8607-8609
【作者或课题组】Areg Zingiryan, Jian Zhang, and Xianhui Bu*
【发表时间】2008
【内容简介】Chiral L-malate and achiral succinate ligands have been integrated

into a three-dimensional homochiral framework by reacting transition-
metal cations (Mn2+), L-(-)-malic acid (L-H2ma), succinic acid
(H2suc), and 4,4′-bipyridine (4,4′-bipy). Chiral L-malate bonds to
Mn2+ without using the -OH group, which is very unusual for
malate. Such unusual bonding of chiral malate results from the
cooperative effect of chiral malate and achiral succinate ligands
during the self-assembly process, further assisted by the third
complementary bipyridine ligand.
【体会&收获】利用有机手性分子自组装制备手性固体材料
链接:http://www.namipan.com/d/12f5c09 ... 1539e70481b61a81700

[ Last edited by brilliant on 2009-2-12 at 16:59 ]
18楼2009-02-12 16:58:16
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songxuemin

木虫 (著名写手)

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waiy2001(金币+5,VIP+0): 2-13 13:42
【学科领域】晶体计算

【文献题目】Effect of temperature on the local angular thermal expansion and local structure for nickel-doped zinc fluosilicate

【期刊来源】Chemical Physics Letters  Volume 467, Issues 1-3, 15 December 2008, Pages 170-175

【作者或课题组】Kuang Xiao-Yu

【发表时间】2008年10月

【内容简介】Previously published electron paramagnetic resonance (EPR) data for Ni2+(3d7) in hydrated and deuterated crystals of zinc and nickel fluosilicate have been re-analyzed to separate the static and dynamic contributions to the fine-structure (or axial zero-field-splitting) term D in the spin-Hamiltonian. While the Debye parameters of ZnSiF6·6H2O and ZnSiF6·6D2O were determined in an earlier low-temperature study1, those of the undiluted nickel crystals, for which good data between 4 and 77 K is lacking, have been estimated here by comparison of the data above 60 K with those for the corresponding zinc compounds. The numerical results indicate that the measured values of D are composed of a negative dynamical contribution produced by the rotational motions of the water ligands, together with both negative and positive static contributions produced by the water ligands, and the more distant [SiF6]2− and [Ni.6H2O]2+ complexes, respectively. A point-charge calculation shows the contribution of the latter to be roughly +2.5 cm−1 in NiSiF6·6H2O. The exceptionally large temperature variations of D in these crystals is attributed to the near-cancellation of the positive and negative static contributions, leaving the effect of the dynamical contribution dominant.


【体会&收获】分析部分比较多,有新意!
^_^
19楼2009-02-13 09:04:25
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qiaoxiaoli

银虫 (小有名气)

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waiy2001(金币+5,VIP+0): 2-13 13:43
【学科领域】金属有机
【文献题目】The coordination chemistry of guanidines and guanidinates
【期刊来源】Coordination Chemistry Reviews
【作者或课题组】Philip J. Bailey *, Stuart Pace
【发表时间】2001
【内容简介】Species containing the Y-shaped CN3 unit have recently attracted increasing attention as electronically and sterically flexible ligands. Neutral guanidines [(R2N)2C=NR], guanidinates(-1) [(RN)2CNR2] and guanidinates(2-) [(RN)2C=NR]2 are capable of exhibiting a variety of coordination modes and a range of donor properties leading to compatibility with a remarkably wide range of metal ions from all parts of the periodic table. The coordination chemistry of these species is reviewed up to July 2000, and aspects of their electronic structures and metal-ligand bonding characteristics discussed.
All rights reserved.
【体会&收获】是关于胍基化合物的综述,很不错
20楼2009-02-13 09:22:50
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