Publications

Displaying 226 - 250 of 270

Structure and Properties of a-NaFeO 2 -type Ternary Sodium Iridates

February 1, 2014

Author(s)

Kristen Baroudi, Cindi Yim, Hui Wu, Qingzhen Huang, John H. Roudebush, Eugenia Vavilova, Hans-Joachim Grafe, Vladislav Kataev, Bernd Buechner, Huiwen Ji, Changyang Kuo, Zhiwei Hu, Tun-Wen Pi, Chiwen Pao, Jyhfu Lee, Daria Mikhailova, Liu Hao Tjeng, R. J. Cava

The synthesis, structure, and elementary magnetic and electronic properties are reported for layered compounds of the type Na 3-xMIr 2O 6 and Na 3-xM 2IrO 6, where M is a transition metal from the 3d series (M=Zn, Cu, Ni, Co, Fe and Mn). The rhombohedral

The magnetic structure of bixbyite a-Mn2O3: a combined density functional theory DFT+U and neutron diffraction study

May 15, 2013

Author(s)

Eric J. Cockayne, Igor Levin, Hui Wu, Anna Liobet

First principles density functional theory DFT+U calculations and experimental neutron diffraction structure refinements were used to determine the low-temperature crystallographic and magnetic structure of bixbyite a-Mn2O3. The energies of various

Synchrotron X-ray Studies of Metal-Organic Framework M2(2,5-dihydroxyterephthalate), M=( Mn, Co, Ni, Zn)

December 28, 2012

Author(s)

Winnie K. Wong-Ng, James A. Kaduk, Hui Wu, Matthew Suchomel

M2(dhtp)nH2O, (M= Mn, Co, Ni, Zn; dhtp= 2,5-dihydroxyterephthalate), known as MOF74, is a family of excellent sorbent materials for CO2 that contains of coordinatively unsaturated metal sites and a honeycomb-like structure featuring a broad one

Microporous Metal-Organic Framework with Potential for Carbon Dioxide Capture at Ambient Conditions

July 17, 2012

Author(s)

Shengchang Xiang, Yabing He, Zhangjing Zhang, Hui Wu, Wei Zhou, Rajamani Krishna, Banglin Chen

Carbon dioxide capture and sequestration (CCS) is a very important industrial and environmental process to make use of the carbon dioxide as raw chemical for the production of a range of chemical products and materials, and to minimize the effect of carbon

A Simple and Efficient Approach to Synthesize Amidoborane Ammoniates: Case Study for Mg(NH 2 BH 3 ) 2 (NH 3 ) 3 with Unusual Coordination Structure

July 14, 2012

Author(s)

Xiangdong Kang, Hui Wu, Junhong Luo, Wei Zhou, Ping Wang

Metal amidoborane ammoniates are a new type of promising hydrogen storage materials consisting of metal cation, [NH 2BH 3] anionic unit and NH 3 ligand. Herein, we report a new reactive ball milling approach for preparation of magnesium amidoborane

LiBH 4 &#8226NH 3 BH 3 : A New Lithium Borohydride Ammonia Borane Compound with a Novel Structure and Favorable Hydrogen Storage Properties

July 1, 2012

Author(s)

Junhong Luo, Hui Wu, Wei Zhou, Xiangdong Kang, Zhanzhao Fang, Ping Wang

Mechanically milling ammonia borane and lithium borohydride and lithium borohydride in equivalanet molar ration results in the formation of a new complex, LiBH 4&#8226NH 3BH 3. Its structure was successfully determined using combined X-ray diffraction and

Metal Hydrazinoborane LiN 2 H 3 BH 3 and LiN 2 H 3 BH 3 &#82262N 2 H 4 BH 3 : Crystal Structures and High-Extent Dehydrogenation

June 1, 2012

Author(s)

Hui Wu, Wei Zhou, Frederick E. Pinkerton, Terrence J. Udovic, Taner Yildirim, John J. Rush

The first example of metal hydrazinoborane, LiN 2H 3BH 3, and its hydrazine borane adduct LiN 2H 3BH 32N 2H 4BH 3 were synthezised with their crystal structures successfully determined. The metal hydrazinoboranes exhibit dramatically improved

A Robust Microporous Metal-Organic Framework Constructed from a Flexible Organic Linker for Highly Selective Sorption of Methanol over Ethanol and Water

May 28, 2012

Author(s)

Qian Huang, Jianfeng Cai, Hui Wu, Yabing He, Banglin Chen, Guodong Qian

A microporous metal-organic framework MOF 1 [Zn(L) 2(methanol) 2](H 2L = (1 R, 3S)-1,2,2-trimethyl-3-(pyridin-4-ylcarbamoyl)cyclopentanecarbocylic acid) constructed from flexible Zn 2+ node and flexible organic linker L was obtained by solvothermal

Raman, FTIR, Photoacoustic-Infrared, and Inelastic Neutron Scattering Spectra of Ternary Metal Hydride Salts A 2 MH 5 , (A=Ca, Sr, Eu; Ir, Rh) and Their Deuterides

February 22, 2012

Author(s)

Mirela M. Barsan, Ian S Butler, Denis F. R. Gilson, Jr. Moyer, Wei Zhou, Hui Wu, Terrence J. Udovic

High Separation Capacity and Selectivity of C 2 Hydrocarbons over Methane within a Microporous Metal-Organic Framework at Room Temperature

February 8, 2012

Author(s)

Yabing He, Zhangjing Zhang, Shengchang Xiang, Hui Wu, Frank R. Franczek, Wei Zhou, Rajamani Krishna, Michael O'Keeffe, Banglin Chen

Borohydride Hydrazinates: High Hydrogen Content Materials for Hydrogen Storage

February 1, 2012

Author(s)

Teng He, Hui Wu, Guotao Wu, Junhu Wang, Wei Zhou, Zhitao Xiong, Juner Chen, Tao Zhang, Ping Chen

Monoammoniate of Calcium Amidoborane - Synthesis, Structure and Hydrogen-Storage Properties

January 9, 2012

Author(s)

Yong Shen Chua, Hui Wu, Wei Zhou, Terrence J. Udovic, Guotao Wu, Zhitao Xiong, Ming Wah Wong, Ping Chen

The monoammoniate of calcium amidoborane, Ca(NH 2BH 3) 2¿NH 3 was synthesized by ball milling an equimolar mixture of CaNH and AB. Its crystal structure has been determined and found to contain a complete dihydrogen-bonded network. Thermal decomposition

Evidence of a Transition to Reorientational Disorder in the Cubic Alkali-metal Dodecahydro-closo-dodecaborates

November 1, 2011

Author(s)

Kristina Verdal, Hui Wu, Terrence J. Udovic, Vitalie Stavila, Wei Zhou, John J. Rush

A neutron powder diffraction (NPD) and differential scanning calorimetry(DSC) study indicates that Cs 2B 12H 12 undergoes a second-order phase transition near 529 K that can be described as a reorientational disordering of the B 12H 2 2- icosahedral anions

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