The preparation of well-dispersed Ni–B amorphous alloy nanoparticles at room temperature

2008 ◽  
Vol 455 (1-2) ◽  
pp. 510-515 ◽  
Author(s):  
Ming Wen ◽  
Lu-Jiang Li ◽  
Qiuyan Liu ◽  
Hai-Quan Qi ◽  
Tao Zhang
Keyword(s):  
Amorphous Alloy ◽  
Room Temperature ◽  
Alloy Nanoparticles

Near room temperature magneto-caloric effect of a Gd 48 Co 52 amorphous alloy

2016 ◽  
Vol 658 ◽  
pp. 598-602 ◽  
Author(s):  
Z.W. Wang ◽  
P. Yu ◽  
Y.T. Cui ◽  
L. Xia
Keyword(s):  
Amorphous Alloy ◽  
Room Temperature ◽  
Caloric Effect

scholarly journals Оптические свойства фазопеременных материалов системы германий--сурьма-теллур составов Ge-=SUB=-14-=/SUB=-Sb-=SUB=-29-=/SUB=-Te-=SUB=-57-=/SUB=- и Ge-=SUB=-15-=/SUB=-Sb-=SUB=-15-=/SUB=-Te-=SUB=-70-=/SUB=- в дальнем инфракрасном диапазоне

2021 ◽  
Vol 55 (7) ◽  
pp. 542
Author(s):  
В.А. Рыжов ◽  
Б.Т. Мелех ◽  
Л.П. Казакова
Keyword(s):  
Amorphous Alloy ◽  
Infrared Absorption ◽  
Crystalline State ◽  
Room Temperature ◽  
Torsional Vibrations ◽  
Phonon Modes ◽  
Absorption Bands ◽  
Structural Units ◽  
Chalcogenide Alloys ◽  
Infrared Absorption Spectra

Abstract Infrared absorption spectra of chalcogenide alloys of the GST system with the compositions Ge14Sb29Te57 and Ge15Sb15Te70 in the amorphous and crystalline state were measured and analyzed in the range of 20 – 400 cm– 1 (0.6 – 12 THz) at room temperature. Absorption at these frequencies is due to the manifestation of correlated torsional vibrations of structural units of the amorphous alloy and phonon modes of the crystal. The performed assignment of absorption bands and the revealed differences in the IR spectra make it possible to more confidently represent the possible molecular mechanism of reversible amorphous-crystalline transformations in the studied phase-changing materials

Structural disordering process of an amorphous alloy driven by the elastostatic compression at room temperature

2008 ◽  
Vol 92 (15) ◽  
pp. 151906 ◽  
Author(s):  
Sang-Chul Lee ◽  
Chang-Myeon Lee ◽  
Jae-Chul Lee ◽  
Hwi-Jun Kim ◽  
Yoji Shibutani ◽  
...  
Keyword(s):  
Amorphous Alloy ◽  
Room Temperature ◽  
Structural Disordering

Fabrication and Magnetic Properties of Mullite Based Nanocomposites with Embedded FeCr Alloy Nanoparticles

2006 ◽  
Vol 510-511 ◽  
pp. 286-289
Author(s):  
Hao Wang ◽  
Wei Min Wang ◽  
Zheng Yi Fu ◽  
Tohru Sekino ◽  
Koichi Niihara
Keyword(s):  
Solid Solution ◽  
Magnetic Properties ◽  
Room Temperature ◽  
Sol Gel ◽  
Xrd Analysis ◽  
Alloy Nanoparticles ◽  
Fecr Alloy ◽  
Acid Washing ◽  
Property Measurement ◽  
Nanocomposite Powders

Mullite-based nanocomposites with embedded FeCr alloy nanoparticles were synthesized by reduction of sol-gel prepared Al5.4(Fe0.8Cr0.2)0.6Si2O13 solid solution in hydrogen. The feature of the formation of FeCr alloy is characterized by XRD analysis. Structural characterization revealed that the intragranular FeCr alloy nanoparticles along with inter-granular iron grains were obtained in as reduced sample. After acid washing, the intergranular metal grains were eliminated. The static magnetic properties of nanocomposite powders were studied using Magnetic Property Measurement System. It is found that part of the intra-granular metal nanoparticles have superparamagnetic behavior at room temperature.

Effect of Corrosive Medium on the Corrosion Resistance of FeCrMoCB Amorphous Alloy Coating

2011 ◽  
Vol 291-294 ◽  
pp. 65-71 ◽  
Author(s):  
Qing Jun Chen ◽  
Lin Li Hu ◽  
Xian Liang Zhou ◽  
Xiao Zhen Hua ◽  
Ying Jun Yang
Keyword(s):  
Corrosion Resistance ◽  
Amorphous Alloy ◽  
Amorphous Alloys ◽  
Room Temperature ◽  
Electrochemical Impedance ◽  
Equivalent Circuit Model ◽  
Alloy Coating ◽  
Potentiodynamic Polarization Curves ◽  
Naoh Solution ◽  
Oxygen Fuel

The purpose of this study is to investigate the electrochemical properties of Fe44Cr16Mo16C18B6amorphous alloy coating fabricated using high velocity oxygen fuel (HVOF) technology in 2.0M HCl and NaOH solution at room temperature(25°C). Based on the potentiodynamic polarization curves and Electrochemical Impedance Spectroscopy(EIS) testing results of coating in aqueous solutions of HCl and NaOH, the corrosion resistance of Fe44Cr16Mo16C18B6amorphous alloy coating in HCl solution was superior to that in NaOH solution. The icorrwas 1.487×10-5A·cm-2in HClsolution and 1.107×10-4A·cm-2in NaOH solution, while the Rtreach to 5.789×104Ω·cm2and 9780Ω·cm2, respectively. On the other hand, these corrosion phenomenon could be better interpreted by R(Q(R(RQW)))(RL) and R(RL)(Q(R(CW))) equivalent circuit model, which were different from that of other Fe-based amorphous alloys in HCl and NaOH solution, respectively.

Preparation of a ternary Pd–Rh–P amorphous alloy and its catalytic performance in selective hydrogenation of alkynes

2014 ◽  
Vol 4 (7) ◽  
pp. 1920-1924 ◽  
Author(s):  
Mengrui Ren ◽  
Changming Li ◽  
Jiale Chen ◽  
Min Wei ◽  
Shuxian Shi
Keyword(s):  
Amorphous Alloy ◽  
Selective Hydrogenation ◽  
Synthesis Method ◽  
Catalytic Performance ◽  
Alloy Nanoparticles ◽  
One Pot ◽  
One Pot Synthesis ◽  
Catalytic Behaviour

Palladium–rhodium–phosphorus amorphous alloy nanoparticles were prepared via a facile one-pot synthesis method, exhibiting excellent catalytic behaviour in selective hydrogenation of alkynes.

Room-Temperature Synthesis of Ag−Ni and Pd−Ni Alloy Nanoparticles

2010 ◽  
Vol 114 (34) ◽  
pp. 14309-14318 ◽  
Author(s):  
Zhenyuan Zhang ◽  
Tina M. Nenoff ◽  
Kevin Leung ◽  
Summer R. Ferreira ◽  
Jian Yu Huang ◽  
...  
Keyword(s):  
Room Temperature ◽  
Alloy Nanoparticles ◽  
Temperature Synthesis ◽  
Room Temperature Synthesis ◽  
Ni Alloy

scholarly journals Monodisperse AgPd alloy nanoparticles as a highly active catalyst towards the methanolysis of ammonia borane for hydrogen generation

RSC Advances ◽  
2016 ◽  
Vol 6 (107) ◽  
pp. 105940-105947 ◽  
Author(s):  
Daohua Sun ◽  
Pengyao Li ◽  
Bin Yang ◽  
Yan Xu ◽  
Jiale Huang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Room Temperature ◽  
Hydrogen Generation ◽  
Active Catalyst ◽  
Ammonia Borane ◽  
Alloy Nanoparticles ◽  
Highly Active

Monodisperse AgPd alloy NPs showed remarkable catalytic activity towards the generation of hydrogen from the methanolysis of ammonia borane at room temperature.

Platinum and platinum–iron alloy nanoparticles dispersed nitrogen-doped graphene as high performance room temperature hydrogen sensor

2015 ◽  
Vol 40 (32) ◽  
pp. 10346-10353 ◽  
Author(s):  
Raghu Sripada ◽  
Vinayan Bhagavathi Parambath ◽  
Mridula Baro ◽  
Santhosh P Nagappan Nair ◽  
Ramaprabhu Sundara
Keyword(s):  
High Performance ◽  
Room Temperature ◽  
Iron Alloy ◽  
Hydrogen Sensor ◽  
Alloy Nanoparticles ◽  
Nitrogen Doped ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene
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