Magnetomigration of rare-earth ions in inhomogeneous magnetic fields

被引:31
作者
Franczak, Agnieszka [1 ]
Binnemans, Koen [2 ]
Fransaer, Jan [1 ]
机构
[1] Katholieke Univ Leuven, Dept Mat Engn, Kasteelpk Arenberg 44, B-3001 Heverlee, Belgium
[2] Katholieke Univ Leuven, Dept Chem, Celestijnenlaan 200 F, B-3001 Heverlee, Belgium
关键词
PARAMAGNETIC-IONS; ELECTROLYTE; ELECTRODEPOSITION; CONFINEMENT; SEPARATION; MOVEMENT; WATER;
D O I
10.1039/c6cp02575g
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The effects of external inhomogenous (gradient) magnetic fields on the movement of the rare-earth ions: Dy3+, Gd3+ and Y3+, in initially homogeneous aqueous solutions have been investigated. Differences in the migration of rare-earth ions in gradient magnetic fields were observed, depending on the magnetic character of the ions: paramagnetic ions of Dy3+ and Gd3+ move towards regions of the sample where the magnetic field gradient is the strongest, while diamagnetic ions of Y3+ move in the opposite direction. It has been showed that the low magnetic field gradients, such the ones generated by permanent magnets, are sufficient to observe the magnetomigration effects of the ions in solution. The present work clearly establishes the behavior of magnetically different ions in initially homogeneous aqueous solutions exposed to magnetic field gradients. To this avail, a methodology for measuring the local concentration differences of metal ions in liquid samples was developed.
引用
收藏
页码:27342 / 27350
页数:9
相关论文
共 40 条
[1]   MAGNETIC-FIELD EFFECTS ON MASS-TRANSPORT [J].
AABOUBI, O ;
CHOPART, JP ;
DOUGLADE, J ;
OLIVIER, A ;
GABRIELLI, C ;
TRIBOLLET, B .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1990, 137 (06) :1796-1804
[2]   On reduction in the surface tension of water due to magnetic treatment [J].
Amiri, MC ;
Dadkhah, AA .
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2006, 278 (1-3) :252-255
[3]   HYSTERESIS EFFECT OF MAGNETIC-FIELD ON ELECTRON-TRANSFER PROCESSES IN ELECTROCHEMICAL REACTION [J].
AOGAKI, R ;
NEGISHI, T ;
YAMATO, M ;
ITO, E ;
MOGI, I .
PHYSICA B, 1994, 201 :611-615
[4]   Magnetic separation of metal ions [J].
Chie, K ;
Fujiwara, M ;
Fujiwara, Y ;
Tanimoto, Y .
JOURNAL OF PHYSICAL CHEMISTRY B, 2003, 107 (51) :14374-14377
[5]   Magnetic stabilization and vorticity in submillimeter paramagnetic liquid tubes [J].
Coey, J. Michael D. ;
Aogaki, Ryoichi ;
Byrne, Fiona ;
Stamenova, Plamen .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2009, 106 (22) :8811-8817
[6]   Morphology of magneto-electrodeposited Cu2O microcrystals [J].
Daltin, Anne-Lise ;
Addad, Ahmed ;
Baudart, Patrick ;
Chopart, Jean-Paul .
CRYSTENGCOMM, 2011, 13 (10) :3373-3377
[7]   Stable prenucleation mineral clusters are liquid-like ionic polymers [J].
Demichelis, Raffaella ;
Raiteri, Paolo ;
Gale, Julian D. ;
Quigley, David ;
Gebauer, Denis .
NATURE COMMUNICATIONS, 2011, 2
[8]   Magnetic field effects on nickel electrodeposition - II. A steady-state and dynamic electrochemical study [J].
Devos, O ;
Aaboubi, O ;
Chopart, JP ;
Merienne, E ;
Olivier, A ;
Amblard, J .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1998, 145 (12) :4135-4139
[9]  
Dunne P., 2012, MAGNETOHYDRODYNAMICS, V48, P43
[10]   Patterning metallic electrodeposits with magnet arrays [J].
Dunne, Peter ;
Coey, J. M. D. .
PHYSICAL REVIEW B, 2012, 85 (22)