The ν 1 vibrational Raman modes of the anions SO , WO and MoO have been studied in aqueous solution with great precision, and the effect of different alkali metal cations (Li + , Na + , K + , Rb + and Cs + ) carefully recorded as a function of concentration. The results show ...
采用红外(ir)、拉曼(raman)、x-射线衍射(xrd)、程序升温还原(tpr)等方法考察了经硫酸根改性后的金红石(sr)与锐钛矿(sa)的混合比例变化时的负载型催化剂,moo3/tio2(sr+sa),的一些物理化学性质(如活性组分moo3的分散行为、表面酸碱性、氧化还原性)的变化规律。结果表明:对于moo3/tio2(sr+sa)样品,低含量moo...
The Raman and infrared spectra of Na2MoO4, K2MoS4, and Cs2MoS4 with 92Mo and 100Mo have been measured. The exact force field has been determined from these... A Müller,N Weinstock,N Mohan,... - 《Applied Spectroscopy》 被引量: 33发表: 1973年 Adsorption/Desorption Kinetics of MoO2-...
For metal cations, the existence and nature of an aqua ion can often be proven by Raman spectroscopy and/or ab initio calculations [2,3,4,5,6,7]. For oxoanions, the influence of the first hydration shell of water molecules is much smaller. One of the authors has examined the effect ...
用XRD,Raman光谱和DSC研究了Al2(MoO4)3,Cr2(MoO4)3和Fe2(MoO4)3的结构与相变.Al2(MoO4)3,Cr2(MoO4)3和Fe2(MoO4)3在室温下为单斜相, 分别在483 K,673 K和783 K附近转变为正交相.发现MO4四面体的对称和反对称伸缩振动模的频率和相对强度明显受到A3+离子的影响.这些模的软化程度受A3+离子的影响依次...
The samples were characterized by elemental analyses, powder X-ray diffraction (XRD), Fourier transform infrared (FT鈥揑R), Raman spectra, photoluminescence spectroscopy. The results indicated that Eu3+ ions were likely incorporated into the hydrotalcite lattice and MoO42 anions were successfully ...
Time-resolved diffuse reflectance and Raman observations of the various MoO42–peroxide adducts are in line with the proposed kinetic scheme. Of all the Mo–peroxo species on the LDH, the triperoxomolybdate has the highest rate for decay to 1O2. Comparison with the kinetics of disso...
using perturbation theory, the complete set of force constants has been calculated for the free anions WO,2– and MoO4 2– and for systems MEO4 2–(M = Na2 +, Li2 +, Pb2+,Sr2+, Ca2+; E = W, Mo) on the basis of known frequencies of IR and Raman spectra of the corresponding...
Raman spectra in disordered solids A8120P Preparation of glasses A7138 Polarons and electron-phonon interactions A7220F Low-field transport and mobility piezoresistance (semiconductors/insulators) A8245 Electrochemistry and electrophoresis A4270C Optical glass A7280N Electrical conductivity of amorphous and...
All-solid-state cw sodium D_2 resonance radiation based on intracavity frequency-doubled self-Raman laser operation in double-end diffusion-bonded Nd^3+:Lu... We report for the first time (to our knowledge) cw orange-yellow emission at 589 nm from a compact double-end diffusion-bonded Nd...