Anhysteretic remanent magnetization of small multidomain Fe3O4 particles dispersed in various concentrations in a non magnetic matrix
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Published:
Mar 27, 1980
Keywords:
Rock magnetism,
Small particles,
Anhysteretic remanent magnetization,
Fe3O4
Volumes
Vols. 1-18 (1924-1944), ISSN 0044-2801
Main Article Content
E. Schmidbauer
Institute of General and Applied Geophysics, University of Munich, Germany
R.J. Veitch
Institute of General and Applied Geophysics, University of Munich, Germany
Abstract
The anhysteretic remanent magnetization (ARM) and hysteresis parameters of synthetic, small, multidomain particles (0.2–0.4 μ) of Fe3O4 , dispersed at various concentrations in a non magnetic matrix (packing factors p = 0.01–0.3), have been measured. The coercive force Hc is weakly dependent on p. At higher concentrations the shape of the sample has a strong influence on the magnetization. There appears to be an additional concentration dependence of the ARM. However, the independence of partial ARMs also holds for larger p.
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How to Cite
Schmidbauer, E., & Veitch, R. (1980). Anhysteretic remanent magnetization of small multidomain Fe3O4 particles dispersed in various concentrations in a non magnetic matrix. Journal of Geophysics, 48(1), 148-152. Retrieved from https://journal.geophysicsjournal.com/JofG/article/view/194
Section
References
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Amar, H. (1958a) Size dependence of the wall characteristics in a two-domain iron particle. J. Appl. Phys. 29:542-543
Amar, H. (1958b) Magnetization mechanism and domain structure of multidomain particles. Phys. Rev. 111:149-153
Banerjee, S.K., Mellema, J.P. (1974) A new method for the determination of paleointensity from the ARM properties of rocks. Earth Planet. Sci. Lett. 23:177-184
Butler, R.F., Banerjee, S.K. (1975) Theoretical single-domain grain size range in magnetite and titanomagnetite. J. Geophys. Res. 80:4049-4058
Davis, P.M., Evans, M.E. (1976) Interacting single-domain properties of magnetite intergrowths. J. Geophys. Res. 81:989-994
Dunlop, D.J. (1973) Superparamagnetic and single-domain threshold sizes in magnetite. J. Geophys. Res. 78:1780-1793
Dunlop, D.J., Bailey, M.E., Westcott-Lewis, M.F. (1975) Lunar paleointensity determination using anhysteretic remanence (ARM): A critique. Proc. Lunar Sci. Conf. 6th, 3063-3069
Dunlop, D.J., Hanes, J.A., Buchan, K.L. (1973) Indices of multidomain magnetic behavior in basic igneous rocks: Alternating-field demagnetization, hysteresis, and oxide petrology. J. Geophys. Res. 78:1387-1393
Dunlop, D.J., Stacey, F.D., Gillingham, D.E.W. (1974) The origin of thermoremanent magnetization: Contribution of pseudo-single-domain magnetic moments. Earth Planet. Sci. Lett. 21:288-294
Dunlop, D.J., West, G.F. (1969) An experimental evaluation of single-domain theories. Rev. Geophys. Space Phys. 7:709-757
Evans, M.E., Wayman, M.L. (1974) An investigation of the role of ultrafine titanomagnetite intergrowths in palaeomagnetism. Geophys. J. R. Astron. Soc. 36:1-10
Gillingham, D.E.W., Stacey, F.D. (1971) Anhysteretic remanent magnetization (ARM) in magnetic grains. Pure Appl. Geophys. 8:160-165
Jaep, W.F. (1969) Anhysteretic magnetization of an assembly of single-domain particles. J. Appl. Phys. 40:1297-1298
Jaep, W.F. (1971) Role of interactions in magnetic tapes. J. Appl. Phys. 42:2790-2794
Johnson, H.P., Lowrie, W., Kent, D.V. (1975) Stability of anhysteretic remanent magnetization in fine and coarse magnetite and maghemite. Geophys. J. R. Astron. Soc. 41:1-10
Kneller, E. (1968) Magnetic interaction effects in fine - particle assemblies and thin films. J. Appl. Phys. 39:945-955
Kneller, E., Koster, E. (1977) Relation between anhysteretic and static magnetic tape parameters. IEEE Trans. Magn. Mag-13:1388-1390
Levi, S., Merrill, R.T. (1976) A comparison of ARM and TRM in magnetite. Earth Planet. Sci. Lett. 32:171-184
Levi, S., Merrill, R.T. (1978) Properties of single-domain, pseudo-single-domain and multidomain magnetite. J. Geophys. Res. 83:309-323
Morrish, A.H., Watt, L.A.K. (1958) Coercive force of iron oxide micro-powders at low temperatures. J. Appl. Phys. 29:1029-1033
Morrish, A.H., Yu, S.P. (1955) Dependence of the coercive force on the density of some iron oxide powders. J. Appl. Phys. 26:1049-1055
Moskowitz, B.M., Banerjee, S.K. (1979) Grain size limits for pseudosingle domain behavior in magnetite: Implications for paleomagnetism. IEEE Trans. Magn. Mag-15:1241-1246
Neel, L. (1949) Theorie du trainage magnetique des ferromagnetiques en grains fins avec applications aux terres cuites. Ann. Geophys. 5:99-136
Parry, L.G. (1965) Magnetic properties of dispersed magnetite powders. Philos. Mag. 11:303-312
Patton, B.J., Fitch, J.L. (1962) Anhysteretic remanent magnetization in small steady fields. J. Geophys. Res. 67:307-311
Rimbert, J. (1959) Contribution a l'etude de l'action de champs alternatifs sur Jes aimantations remanents des roches, Applications geophysiques. Rev. Inst. Fr. Pet. 14:123-155
Shcherbakov, V.P. (1978) Theory concerning the magnetization properties of pseudo-single domain grains. Bull. Acad. Sci. USSR, Earth Phys. 14:356-362
Shcherbakov, V.P., Shcherbakova, V.V. (1977) Calculation of thermoremanence and ideal magnetization of an ensemble of interacting singledomain grains. Bull. Acad. Sci. USSR, Earth Phys. 13:413-421
Stacey, F.D. (1963) The physical theory of rock magnetism. Adv. Phys. 12:45-133
Stacey, F.D., Banerjee, S.K. (1974) The physical principles ofrock magnetism. Elsevier, Amsterdam-London-New York
Stapper, C.H. (1969) Micromagnetic solutions for ferromagnetic spheres. J. Appl. Phys. 40:798-802
Sugiura, N. (1979) ARM, TRM and magnetic interactions: Concentration dependence. Earth Planet. Sci. Lett. 32:451-456
Thellier, E., Thellier, O. (1959) Sur l'intensite du champ magnetique terrestre dans le passe historique et geologique. Ann. Geophys. 15:285-376
Weisweiler, W., Alavi, M. (1977) Reduktion von alpha-Eisenoxid zu aktivem Magnetit und die unmittelbare Oxidation zu phasenreinem gammaEisenoxid. Ber. Dtsch. Keram. Ges. 54:268-271
Wohlfarth, E.P. (1964) A review of the problem of fine-particle interactions with special reference to magnetic recording. J. Appl. Phys. 35:783-790
Zijlstra, H. (1967) Measurements of magnetic quantities. In: Wohlfarth, E.P. (Ed.) Experimental methods in magnestism, Amsterdam: NorthHolland Publishing Company
Amar, H. (1958a) Size dependence of the wall characteristics in a two-domain iron particle. J. Appl. Phys. 29:542-543
Amar, H. (1958b) Magnetization mechanism and domain structure of multidomain particles. Phys. Rev. 111:149-153
Banerjee, S.K., Mellema, J.P. (1974) A new method for the determination of paleointensity from the ARM properties of rocks. Earth Planet. Sci. Lett. 23:177-184
Butler, R.F., Banerjee, S.K. (1975) Theoretical single-domain grain size range in magnetite and titanomagnetite. J. Geophys. Res. 80:4049-4058
Davis, P.M., Evans, M.E. (1976) Interacting single-domain properties of magnetite intergrowths. J. Geophys. Res. 81:989-994
Dunlop, D.J. (1973) Superparamagnetic and single-domain threshold sizes in magnetite. J. Geophys. Res. 78:1780-1793
Dunlop, D.J., Bailey, M.E., Westcott-Lewis, M.F. (1975) Lunar paleointensity determination using anhysteretic remanence (ARM): A critique. Proc. Lunar Sci. Conf. 6th, 3063-3069
Dunlop, D.J., Hanes, J.A., Buchan, K.L. (1973) Indices of multidomain magnetic behavior in basic igneous rocks: Alternating-field demagnetization, hysteresis, and oxide petrology. J. Geophys. Res. 78:1387-1393
Dunlop, D.J., Stacey, F.D., Gillingham, D.E.W. (1974) The origin of thermoremanent magnetization: Contribution of pseudo-single-domain magnetic moments. Earth Planet. Sci. Lett. 21:288-294
Dunlop, D.J., West, G.F. (1969) An experimental evaluation of single-domain theories. Rev. Geophys. Space Phys. 7:709-757
Evans, M.E., Wayman, M.L. (1974) An investigation of the role of ultrafine titanomagnetite intergrowths in palaeomagnetism. Geophys. J. R. Astron. Soc. 36:1-10
Gillingham, D.E.W., Stacey, F.D. (1971) Anhysteretic remanent magnetization (ARM) in magnetic grains. Pure Appl. Geophys. 8:160-165
Jaep, W.F. (1969) Anhysteretic magnetization of an assembly of single-domain particles. J. Appl. Phys. 40:1297-1298
Jaep, W.F. (1971) Role of interactions in magnetic tapes. J. Appl. Phys. 42:2790-2794
Johnson, H.P., Lowrie, W., Kent, D.V. (1975) Stability of anhysteretic remanent magnetization in fine and coarse magnetite and maghemite. Geophys. J. R. Astron. Soc. 41:1-10
Kneller, E. (1968) Magnetic interaction effects in fine - particle assemblies and thin films. J. Appl. Phys. 39:945-955
Kneller, E., Koster, E. (1977) Relation between anhysteretic and static magnetic tape parameters. IEEE Trans. Magn. Mag-13:1388-1390
Levi, S., Merrill, R.T. (1976) A comparison of ARM and TRM in magnetite. Earth Planet. Sci. Lett. 32:171-184
Levi, S., Merrill, R.T. (1978) Properties of single-domain, pseudo-single-domain and multidomain magnetite. J. Geophys. Res. 83:309-323
Morrish, A.H., Watt, L.A.K. (1958) Coercive force of iron oxide micro-powders at low temperatures. J. Appl. Phys. 29:1029-1033
Morrish, A.H., Yu, S.P. (1955) Dependence of the coercive force on the density of some iron oxide powders. J. Appl. Phys. 26:1049-1055
Moskowitz, B.M., Banerjee, S.K. (1979) Grain size limits for pseudosingle domain behavior in magnetite: Implications for paleomagnetism. IEEE Trans. Magn. Mag-15:1241-1246
Neel, L. (1949) Theorie du trainage magnetique des ferromagnetiques en grains fins avec applications aux terres cuites. Ann. Geophys. 5:99-136
Parry, L.G. (1965) Magnetic properties of dispersed magnetite powders. Philos. Mag. 11:303-312
Patton, B.J., Fitch, J.L. (1962) Anhysteretic remanent magnetization in small steady fields. J. Geophys. Res. 67:307-311
Rimbert, J. (1959) Contribution a l'etude de l'action de champs alternatifs sur Jes aimantations remanents des roches, Applications geophysiques. Rev. Inst. Fr. Pet. 14:123-155
Shcherbakov, V.P. (1978) Theory concerning the magnetization properties of pseudo-single domain grains. Bull. Acad. Sci. USSR, Earth Phys. 14:356-362
Shcherbakov, V.P., Shcherbakova, V.V. (1977) Calculation of thermoremanence and ideal magnetization of an ensemble of interacting singledomain grains. Bull. Acad. Sci. USSR, Earth Phys. 13:413-421
Stacey, F.D. (1963) The physical theory of rock magnetism. Adv. Phys. 12:45-133
Stacey, F.D., Banerjee, S.K. (1974) The physical principles ofrock magnetism. Elsevier, Amsterdam-London-New York
Stapper, C.H. (1969) Micromagnetic solutions for ferromagnetic spheres. J. Appl. Phys. 40:798-802
Sugiura, N. (1979) ARM, TRM and magnetic interactions: Concentration dependence. Earth Planet. Sci. Lett. 32:451-456
Thellier, E., Thellier, O. (1959) Sur l'intensite du champ magnetique terrestre dans le passe historique et geologique. Ann. Geophys. 15:285-376
Weisweiler, W., Alavi, M. (1977) Reduktion von alpha-Eisenoxid zu aktivem Magnetit und die unmittelbare Oxidation zu phasenreinem gammaEisenoxid. Ber. Dtsch. Keram. Ges. 54:268-271
Wohlfarth, E.P. (1964) A review of the problem of fine-particle interactions with special reference to magnetic recording. J. Appl. Phys. 35:783-790
Zijlstra, H. (1967) Measurements of magnetic quantities. In: Wohlfarth, E.P. (Ed.) Experimental methods in magnestism, Amsterdam: NorthHolland Publishing Company