Publications by ÷. ÷zdemir:

Özdemir, Ö., and D. J. Dunlop, 2009.  Hallmarks of maghemitization in low-temperature cycling of partially oxidized magnetite nanoparticles. J. Geophys. Res., 114, 10.1029/2009JB006756, in press.

Özdemir, Ö., D. J. Dunlop and M. Jackson, 2009.  Frequency  and  field  dependent susceptibility of magnetite at low temperature. Earth Planet Sci. Lett. 61, 125-131.

Özdemir, Ö., D. J. Dunlop, and  T. S. Berquó, 2008.  Morin transition in hematite:  Size dependence and thermal hysteresis.  Geochem. Geophys. Geosyst., 9, Q10Z01, doi: 10.1029/2008GC002110.

Özdemir, Ö., 2008.  Thermoremanent magnetization, Encyclopedia of Geomagnetism and Paleomagnetism, Editors: David Gubbins and Emilio Herrero-Bervera.  Kluwer Academic Publishers, pp 609-616.

Dunlop, D. J., Ö. Özdemir, 2008.  Magnetization  in rocks and minerals, in Geomagnetism. Vol.5 edited by M. Kono.  In Treatise on Geophysics edited by G. Schubert, Elsevier, pp 277-236. 

Özdemir, Ö., and D. J. Dunlop, 2006.  Magnetic memory and coupling between spin canted and defect magnetism in hematite.  J. Geophys. Res., 111, B12S03, doi: 10.1029/2006JB004555. 

Özdemir, Ö., and D. J. Dunlop, 2006.  Magnetic domain observations on magnetite crystals in biotite and hornblende grains.  J. Geophys. Res., 111, B06103, doi:10.1029/2005JB004090.

Dunlop, D. J., Ö. Özdemir and D .G. Rancourt, 2006.  Magnetism of biotite crystals. Earth Planet. Sci. Lett., 243, 805-819.


Özdemir, Ö. and D. J. Dunlop, 2005.  Thermoremanent magnetization of multidomain hematite. J. Geophys. Res., 110, B09104, doi: 10.1029/2005JB003820.

Dunlop, D. J., B. Zhang and Ö. Özdemir, 2005.  Linear and nonlinear Thellier paleointensity behaviour of natural minerals.  J. Geophy. Res., 110, B01103, doi: 1029/2004JB003095.

Carvallo, C., D. J. Dunlop and Ö. Özdemir   2005.  Experimental comparison of FORC and remanent Preisach diagrams.  Geophys. J. Int., 162, 747-754. 

Carvallo, C., Ö. Özdemir and D. J. Dunlop, 2004.  First-order reversal curve (FORC) diagrams of elongated single-domain grains at high and low temperatures. J. Geophys. Res., 109, B04105, doi: 10.1029/2003JB002539.

Carvallo, C., ÷. ÷zdemir and D.J. Dunlop, 2004.Paleointensity determinations, paleodirections and magnetic properties of basalts from the Emperor seamounts. Geophys. J. Int., 156, 29-38.[PDF]

÷zdemir, ÷., and D.J. Dunlop, 2003.Low-temperature behaviour and memory of iron-rich titanomagnetites (Mt. Haruna, Japan and Mt. Pinatubo, Philippines). Earth Planet. Sci. Lett., 216, 193-200.[PDF]

Yu, Y., D.J. Dunlop and ÷. ÷zdemir, 2003.Are ARM and TRM analogs? Thellier analysis of ARM and pseudo-Thellier analysis of TRM.Earth and Planet. Sci. Lett. 205, 325-336.[PDF]

Yu, Y., D.J. Dunlop and ÷. ÷zdemir, 2003.Effect of low-temperature treatments on pseudo-Thellier paleointensity determination. J. Geophys. Res., 108, 1029/2002JB002138.[PDF]

Muxworthy, A.R., D.J. Dunlop and ÷. ÷zdemir, 2003.Low-temperature cycling of isothermal and anhysteretic remanence: microcoercivity and magnetic memory.Earth Planet. Sci. Lett., 205, 173-184.[PDF]

Yu, Y., D.J. Dunlop and ÷. ÷zdemir, 2003.On the resolution of multivectorial remanences.Earth Planet. Sci. Lett., 208, 13-26.[PDF]

Yu, Y., D.J. Dunlop and ÷. ÷zdemir, 2003.Testing the independence law of partial ARMs: implications for paleointensity determination.Earth Planet. Sci. Lett., 208, 27-39. [PDF]

÷zdemir, ÷., and D.J. Dunlop, 2002.Thermoremanence and stable memory of single-domain hematites.Geophys. Res. Lett., 29, 10.1029/2002GL015597.[PDF]

Yu, Y., D.J. Dunlop and ÷. ÷zdemir, 2002.Partial anhysteretic remanent magnetization in magnetite: 1. Additivity.J. Geophys. Res., 107, 10.1029/2001JB001249. [PDF]

Yu, Y., D.J. Dunlop and ÷. ÷zdemir., 2002.Partial anhysteretic remanent magnetization in magnetite: 2 Reciprocity.J. Geophys. Res., 107, 10.1029/2001JB001269. [PDF]

÷zdemir, ÷., D.J. Dunlop and B.M. Moskowitz, 2002. Changes in remanence, coercivity and domain state at low temperature in magnetite.Earth Planet. Sci. Lett., 194/3-4, 343-358. [PDF]

Yu, Y., D.J. Dunlop, ÷. ÷zdemir and H. Ueno, 2001. Magnetic properties of Kurokami pumices from Mt. Sakurajima, Japan, Earth Planet.Sci.Lett., 192, 439-446. [PDF]

Dunlop, D.J., and ÷. ÷zdemir, 2001. Beyond Nťel’s theories: Thermal demagnetization of narrow-band partial thermoremanent magnetizations. Phys. Earth Planet. Inter., 126, 43-57. [PDF]

÷zdemir, ÷., 2000. Coercive force of single crystal of magnetite at low temperatures. Geophys. J. Int., 141, 351 - 356. [PDF]

÷zdemir, ÷., and D.J. Dunlop, 2000. Intermediate magnetite formation during dehydration of goethite. Earth Planet. Sci. Lett., 177, 59 - 67. [PDF]

Dunlop, D.J., ÷. ÷zdemir, D.A. Clark, and P.W. Schmidt, 2000. Time-temperature relations for the remagnetization of pyrrhotite (Fe7S8) and their use in estimating paleotemperatures. Earth Planet. Sci. Lett., 176, 107 - 116. [PDF]

Dunlop, D.J., and ÷. ÷zdemir, 2000. Effect of grain size and domain state on thermal demagnetization tails. Geophys. Res. Lett., 27, 1311 - 1314. [PDF]

÷zdemir, ÷., and D.J. Dunlop, 1999. Low-temperature properties of a single crystal of magnetite oriented along principal magnetic axes. Earth Planet. Sci. Lett., 165, 229-239. [PDF]

÷zdemir, ÷., and D.J. Dunlop, 1998. Single-domain-like behavior in a 3-mm natural single crystal of magnetite. J. Geophys. Res., 103, 2549-2562. [PDF]

÷zdemir, ÷., and D.J. Dunlop, 1997. Effect of crystal defects and internal stress on the domain structure and magnetic properties of magnetite. J. Geophys. Res., 102, 20,211-20,224. [PDF]

Dunlop, D.J., and ÷. ÷zdemir, 1997. Rock Magnetism: Fundamentals and Frontiers, 573 pp., Cambridge University Press, New York, London and Cambridge.

Dunlop, D.J., P.W. Schmidt, ÷. ÷zdemir, and D.A. Clark, 1997. Paleomagnetism and paleothermometry of the Sydney Basin, I. Thermoviscous and chemical overprinting of the Milton monzonite. J. Geophys. Res., 102, 27,271-27,283.[PDF]

Dunlop, D.J., ÷. ÷zdemir, and P.W. Schmidt, 1997. Paleomagnetism and paleothermometry of the Sydney Basin, II. Origin of anomalously high unblocking temperatures. J. Geophys. Res., 102, 27,285-27,295. [PDF]

÷zdemir, ÷., and D.J. Dunlop, 1996. Thermoremanence and Nťel temperature of goethite. Geophys. Res. Lett., 23, 921-924. [PDF]

÷zdemir, ÷., S. Xu, and D.J. Dunlop, 1995. Closure domains in magnetite. J. Geophys. Res., 100, 2193-2209. [PDF]

Smith, P.E., D. York, R.M. Easton, ÷. ÷zdemir, and P.W. Layer, 1994. A laser 40Ar/39Ar study of minerals across the Grenville Front: Investigation of reproducible excess Ar patterns. Can. J. Earth Sci., 31, 808-817.

÷zdemir, ÷., and D.J. Dunlop, 1993. Magnetic domain structures on a natural single crystal of magnetite. Geophys. Res. Lett., 20, 1835-1838.

÷zdemir, ÷., B.M. Moskowitz, and D.J. Dunlop, 1993. The effect of oxidation on the Verwey transition in magnetite. Geophys. Res. Lett., 20, 1671-1674.

Dunlop, D.J., and ÷. ÷zdemir, 1993. Thermal demagnetization of VRM and pTRM of single domain magnetite: No evidence for anomalously high unblocking temperatures. Geophys. Res. Lett., 20, 1939-1942.

÷zdemir, ÷., and D.J. Dunlop, 1993. Chemical remanent magnetization during γ-FeOOH transformation. J. Geophys. Res., 98, 4191-4198.

Dunlop, D.J., S. Xu, ÷. ÷zdemir, D. AlMawlawi, and M. Moskovitz, 1993. Magnetic properties of arrays of oriented iron particles as a function of particle size, shape and spacing. Phys. Earth Planet. Inter., 76, 113-121.

÷zdemir, ÷., and B.M. Moskowitz, 1992. Magnetostriction in aluminum substitute titanomagnetites. Geophys. Res. Lett., 19, 2361-2364.

÷zdemir, ÷., and D. York, 1992. 40Ar/39Ar laser dating of biotite inclusion in single crystal of magnetite. Geophys. Res. Lett., 19, 1799-1802.

Gapeev, A.K., S.K. Gribov, D.J. Dunlop, ÷. ÷zdemir, and V.P. Shcherbakov, 1991. A direct comparison of the properties of CRM and VRM in the low-temperature oxidation of magnetite. Geophys. J. Inter., 105, 407-418.

÷zdemir, ÷., (editor) 1990. Magnetic Interactions: Particles, Domains, Phases, Special issue, Physics of the Earth and Planetary Interiors, 196 pp, Elsevier, Amsterdam.

÷zdemir, ÷., and D. York, 1990. 40Ar/39Ar laser dating of a single grain of magnetite. Tectonophysics, 184, 21-33.

÷zdemir, ÷., 1990. High-temperature hysteresis and thermoremanence of single domain maghemite. Phys. Earth Planet. Inter., 65, 125-136.

Dunlop, D.J., and ÷. ÷zdemir, 1990. Alternating field stability of high-temperature VRM. Phys. Earth Planet. Inter., 65, 188-196.

÷zdemir, ÷., and D.J. Dunlop, 1989. Chemico-viscous remanent magnetization in the Fe3O4 – γFe2O3 system. Science, 243, 1043-1047.

÷zdemir, ÷., and D.J. Dunlop, 1988. Crystallization remanent magnetization (CRM) during the transformation of maghemite to hematite. J. Geophys. Res., 93, 6530-6544.

÷zdemir, ÷., D.J. Dunlop, B. Reid, and H. Hyodo, 1988. An early proterozoic VGP from an oriented drillcore into the Precambrian basement of southern Alberta. Geophys. J. 95, 69-78.

÷zdemir, ÷., 1987. Inversion of titanomaghemites. Phys. Earth Planet. Inter., 46, 184-196.

Dunlop, D.J., ÷. ÷zdemir, and R.J. Enkin, 1987. Multidomain and single-domain relations between susceptibility and coercive force. Phys. Earth Planet. Inter., 49, 181-191.

÷zdemir, ÷., and D.J. Dunlop, 1985. An experimental study of chemical remanent magnetizations of synthetic monodomain titanomaghemites with initial thermoremanent magnetizations. J. Geophys. Res., 90, 11513-11523.

÷zdemir, ÷., and S.K. Banerjee, 1984. High temperature stability of maghemite. Geophys. Res. Lett., 11, 161-164.

÷zdemir, ÷., and E.R. Deutsch, 1984. Magnetic properties of Ųolitic iron ore on Bell Island, Newfoundland. Earth Planet. Sci. Lett, 69, 427-441.

King, J.W., S.K. Banerjee, J. Marvin, and ÷. ÷zdemir, 1982. A comparison of different magnetic methods for determining the relative grain size of magnetite in natural materials: some results from lake sediments. Earth Planet. Sci. Lett., 59, 404-417.

÷zdemir, ÷., and S.K. Banerjee, 1982. A preliminary magnetic study of soil samples from West-Central Minnesota. Earth Planet. Sci. Lett., 59, 393-403.

÷zdemir, ÷., and W.O'Reilly,1982. Magnetic hysteresis of synthetic monodomain titanomaghemites. Earth Planet. Sci. Lett., 57, 437-447.

÷zdemir, ÷., and W. O'Reilly, 1982. An experimental study of intensity and stability of thermoremanent magnetization acquired by synthetic monodomain titanomagnetite substituted by aluminium. Geophys. J.R. Astr. Soc., 70, 141-154.

÷zdemir, ÷., and W. O'Reilly, 1982. An experimental study of thermoremanent magnetization acquired by synthetic monodomain titanomaghemites. J. Geomag. Geoelectr., 34, 467-478.

÷zdemir, ÷., and W. O'Reilly, 1981. High-temperature hysteresis and other magnetic properties of synthetic monodomain titanomagnetites. Phys. Earth Planet. Inter., 25, 406-418.

÷zdemir, ÷., and W.O'Reilly, 1981. Laboratory synthesis of aluminium-substituted titanomaghemites and their characteristic properties. J. Geophys., 49, 93-100.

÷zdemir, ÷., and S.K. Banerjee, 1981. An experimental study of magnetic viscosity in synthetic monodomain titanomaghemites: Implications for the magnetization of the ocean crust. J. Geophys. Res., 86, 11864-11868.

÷zdemir, ÷., 1979. An experimental study of thermoremanent magnetization acquired by synthetic monodomain titanomagnetites and titanomaghemites. Ph.D. Thesis, University of Newcastle upon Tyne, U.K. 238pp.

÷zdemir, ÷., and W. O'Reilly, 1978. Magnetic properties of monodomain aluminium-substituted titanomagnetite. Phys. Earth Planet. Inter., 16, 190-195.