List
of
Publications of Julian Geshev, Ph.D. Instituto
de Física, Universidade Federal do Rio Grande do Sul, Porto
Alegre,
RS, Brazil
2019
J.L. Salazar Cuaila, A.M.H. de Andrade, J. Geshev, and M. Gamino, "Correlations between parameters and structure of CuO(111) films grown by RF reactive sputtering at room temperature,"Materials Today: Proceedings 14(1) (2019) 164. DOI
V.P.C. Limeira, L.C.C.M. Nagamine, J. Geshev, D.R. Cornejo, and F.J. Garanhani, "Misaligned anisotropies in spin-valve films studied through magnetoresistance and magnetization measurements," Journal of Physics: Condensed Matter31 (2019) 265802. DOI
M. Nisar, M.G. Sebag Bernd, L.C.P. da Silva Filho, J. Geshev and G.B. Galland, "Polypropylene/carbon nanotube composites obtained using carbon nanotubes from sawdust,"Polymers for Advanced Technologies 30 (2019) 457.DOI
2018
J.B.
Salazar, L.G. Pereira, P.L. Grande, J.E. Schmidt, J.A. Schneider, S.
Nicolodi, V. Skumryev, A. Harres, P. Steadman, P. Bencok, A. Dobrynin
and J. Geshev, "Unveiling
the mechanisms governing the exchange coupling and coercivity
modifications in annealed or ion-irradiated IrMn/Fe/Co and IrMn/NiFe/Co
films,"Physical Review Applied10 (2018) 064021.DOI
M. Nisar, M.G.S. Bernd, L.C.P. da Silva Filho, J. Geshev, N.R. de Souza Basso and G.B. Galland, "Polypropylene nanocomposites with electrical and magnetic properties," Journal of Applied Polymer Science135 (2018) 46820.DOI
M. Nisar, P.S. Thue, C.A. Heck, J.L. Salazar Cuaila, J. Geshev, E.C. Lima, M.M. Jacobi and G.B. Galland, "Synthesis
of polyethylene/nickel–carbon stimuli-responsive material under
magnetic field at room temperature: effect of the filler on the
properties," European Polymer Journal99 (2018) 378.DOI
M. Gamino, A.M.H. de Andrade, J.L. Salazar Cuaila, J.E. Schmidt, V. Skumryev and J. Geshev, "Exchange bias and major coercivity enhancement in strongly-coupled CuO/Co films," Journal of Magnetism and Magnetic
Materials449 (2018) 5. DOI
2017
J.A.
De Toro, M. Vasilakaki, S.S. Lee, M.S. Andersson, P.S. Normile, N.
Yaacoub, P. Murray, E.H. Sanchez, P. Muñiz, D. Peddis, R. Mathieu, K. Liu, J. Geshev, K.N. Trohidou and J. Nogués, "Remanence plots as a probe of spin disorder in magnetic nanoparticles," Chemistry of Materials29 (2017) 8258. DOI
H.B. Vasili, B. Casals, R. Cichelero, F. Macià, J. Geshev, P. Gargiani, M. Valvidares, J. Herrero-Martin, E. Pellegrin, J. Fontcuberta and G. Herranz, "Direct observation of multivalent states and 4f→3d charge transfer in Ce-doped yttrium iron garnet thin films," Physical
Review B96 (2017) 014433. DOI
M. Nisar, C. Bergmann, J. Geshev, R. Quijada, T. Maraschin, N.R. de Souza Basso, E.G. Barrera and G.B. Galland, "Synthesis of PE/rGO-CNT-Fe nanocomposites with outstanding magnetic and electrical properties," Journal of Applied Polymer Science134 (2017) 45382. DOI
M. Nisar, C. Bergmann, J. Geshev,
R. Quijada and G. Galland, "Synthesis and characterization of
polypropylene/iron encapsulated carbon nanotube composites with high
magnetic response at room temperature," Polymer118 (2017) 68. DOI
2016
G. Salazar-Alvarez, J. Geshev, S. Agramut-Puig, C. Navau, A. Sánchez, J. Sort and J. Nogués, "Tunable high-field magnetization in strongly exchange-coupled freestanding Co/CoO core/shell coaxial nanowires," ACS Applied Materials & Interfaces8 (2016) 22477. DOIM. Nisar, C. Bergmann, J. Geshev, R. Quijada and G. Galland, "An efficient approach to the preparation of polyethylene magnetic nanocomposites," Polymer97 (2016) 131. DOI
Z. Wang, N. Qureshi, S. Yasin, A. Mukhin, E. Ressouche, S. Zherlitsyn, Y. Skourski, J. Geshev, V. Ivanov, M. Gospodinov and V. Skumryev, "Magnetoelectric effect and phase transitions in CuO in external magnetic fields," Nature Communications7 (2016) 10295. DOI
J.R. Riquelme, C.A. Garzón, C.P. Bergmann, J. Geshev and R. Quijada, "Development of multifunctional polymer nanocomposites with carbon-based hybrid nanostructures synthesized from ferrocene," European Polymer Journal75 (2016) 200. DOI
A. Harres, M. Mikhov, V. Skumryev, A.M.H. de Andrade, J.E. Schmidt and J. Geshev, "Criteria for saturated magnetization loop," Journal of Magnetism and Magnetic
Materials402 (2016) 76. DOI
2015
D. Schafer, P.L. Grande, L.G. Pereira, G.M. Azevedo, A. Harres, M.A. de Sousa, F. Pelegrini and J. Geshev, "Antiparallel interface coupling evidenced by negative rotatable anisotropy in IrMn/NiFe bilayers," Journal of Applied Physics117 (2015) 215301. DOI
A. Harres, J. Geshev and V. Skumryev, "Comment on 'Superspin glass mediated giant spontaneous exchange bias in a nanocomposite of BiFeO3-Bi2Fe4O9'," Physical Review Letters114 (2015) 099703. DOI
2014
M. Gamino, A.M.H. de Andrade, J.E. Schmidt and J. Geshev, "Strongly enhanced exchange bias of top-pinned Co/IrMn films with Py spacers," Journal of Physics D: Applied Physics47 (2014) 475001. DOI
M.V. Abrashev, N.D. Todorov and J. Geshev, "Raman spectra of R2O3 (R - rare-earth) sesquioxides with C-type bixbyite crystal structure: a comparative study," Journal of Applied Physics116 (2014) 103508. DOI
T. Dias, E. Menéndez, H. Liu, C. Van Haesendonck, A. Vantomme, K. Temst, J.E. Schmidt, R. Giulian and J. Geshev, "Rotatable anisotropy driven training effects in exchange biased Co/CoO films," Journal of Applied Physics115 (2014) 243903. DOI
E. Menéndez, T. Dias, J. Geshev,
J.F. Lopez-Barbera, J. Nogués, R. Steitz, B.J. Kirby, J.A.
Borchers, L.M.C. Pereira, A. Vantomme and K. Temst, "Interdependence between training and magnetization reversal in granular Co-CoO exchange bias systems," Physical
Review B89 (2014) 144407. DOI
E. Menéndez, H. Modarresi, T. Dias, J. Geshev, L.M.C. Pereira, K. Temst and A. Vantomme, "Tuning the ferromagnetic-antiferromagnetic interfaces of granular Co-CoO exchange bias systems by annealing," Journal of Applied Physics115 (2014) 133915. DOI
2013
R. Cichelero, A. Harres, K.D. Sossmeier, J.E. Schmidt and J. Geshev, "Magnetic interactions in exchange-coupled yet unbiased IrMn/NiCu bilayers," Journal of Physics: Condensed Matter25 (2013) 426001. DOI
A. Harres, R. Cichelero, L.G. Pereira, J.E. Schmidt and J. Geshev, "Remanence plots technique extended to exchange bias systems," Journal of Applied
Physics114 (2013) 043902. DOI
R. Dutra, D.E. Gonzalez-Chavez, T.L. Marcondes, A.M.H. de Andrade, J. Geshev and R.L. Sommer, "Rotatable anisotropy of Ni81Fe19/Ir20Mn80 films: a study using broadband ferromagnetic resonance," Journal of Magnetism and Magnetic
Materials346 (2013) 1. DOI
2012
J. Geshev, A. Gündel, I. Zaharieva and J.E. Schmidt, "Edge atoms effects on the perpendicular anisotropy of ultrathin magnetic layers," Applied Physics Letters101 (2012) 132407. DOI
A. Harres and J. Geshev, "A polycrystalline model for magnetic exchange bias," Journal of Physics: Condensed Matter24 (2012) 326004. DOI
K.D. Sossmeier, D. Schafer, A.P.O. Bastos, J.E. Schmidt and J. Geshev, "Tailoring coercivity of unbiased exchange-coupled ferromagnet/antiferromagnet bilayers," Journal of Applied
Physics112 (2012) 013904. DOI
S.
Nicolodi, L.G. Pereira, A. Harres, G.M. Azevedo, J.E. Schmidt, I.
García-Aguilar, N.M. Souza-Neto, C. Deranlot, F. Petroff and J. Geshev, "Negative rotatable anisotropy in IrMn/Cr/Co thin films," Physical
Review B85 (2012) 224438. DOI
B. Canto, J. Geshev, J.E. Schmidt and L.G. Pereira, "Surface morphology and electron transport correlation in thin iron films," Surface Science606 (2011) 285.DOI
2011
S.
Nicolodi, A Harres, L.G. Pereira, J.E. Schmidt, M.A. de Sousa, F.
Pelegrini, A.D.C. Viegas, C. Deranlot, F. Petroff and J. Geshev, "Abrupt suppression of the exchange bias across a non-magnetic insulator spacer," Journal of Applied
Physics110 (2011) 063922. DOI
A Harres, S. Nicolodi, L.G. Pereira, J.E. Schmidt, A.D.C. Viegas and J. Geshev, "Effect of short-duration annealing on the exchange bias in IrMn/Co films," Journal of Magnetism and Magnetic
Materials323 (2011) 2398. DOI
G.M.B. Castro, L.C.C.M. Nagamine, J. Geshev, E.B. Saitovich and J.E. Schmidt, "Perpendicular exchange bias in IrMn/Pt/[Co/Pt]3 multilayers with cone magnetization," Thin Solid Films519 (2011) 6591. DOI
A Harres and J. Geshev, "Athermal training due to exchange and dipolar coupling within a granular model for exchange bias," Journal of Physics: Condensed Matter23 (2011) 216003. DOI
K.D. Sossmeier, L.G. Pereira, J.E. Schmidt and J. Geshev, "Exchange bias in a ferromagnet/antiferromagnet system with TC<<TN," Journal of Applied
Physics109 (2011) 083938. DOI
D. Schafer, P.L. Grande, L.G. Pereira and J. Geshev, "Ion irradiation effects on the exchange bias in IrMn/Co films," Journal of Applied
Physics109 (2011) 023905. DOI
G. Goev, V. Masheva, J. Geshev and and M. Mikhov, "Irreversible susceptibility along a major hysteresis loop," Romanian Journal of Physics56(1-2) (2011) 158-164.
J. Geshev, T.
Dias, S. Nicolodi, R. Cichelero, A. Harres, J.J.S. Acuña, L.G.
Pereira, J.E. Schmidt, C. Deranlot and F. Petroff, "Role of the
uncompensated interface spins in polycrystalline exchange-biased
systems," Journal of Physics D: Applied Physics44 (2011) 095002. DOI
2009
G.M.B. Castro, J. Geshev,
J.E. Schmidt, E.B. Saitovich and L.C.C.M. Nagamine, "Cone
magnetization state and exchange bias in IrMn/Cu/[Co/Pt]3 multilayers," Journal of Applied
Physics106 (2009) 113922. DOI
F. Rigato, J. Geshev, V. Skumryev and
J. Fontcuberta, "The magnetization of epitaxial nanometric CoFe2O4(001)
layers," Journal of Applied
Physics106 (2009)
113924. DOI
R. Cichelero, L.G. Pereira, T. Dias,
J.E. Schmidt, C. Deranlot, F. Petroff and J. Geshev, "Engineering double-shifted hysteresis loops in
Co/IrMn/Cu/Co films," Applied Physics Letters95 (2009) 112501. DOIM. Cougo dos Santos, J. Geshev,
L.G. Pereira and J.E. Schmidt, "Magnetic-field-dependent morphology
of
self-organized Fe on stepped Si(111) surfaces," Journal of Applied
Physics106
(2009) 023904. DOIJ. Geshev, 'Comment on "Exchange
bias in the layered cobaltite Sr1.5Pr0.5CoO4",'
Journal
of Applied
Physics105 (2009) 066108. DOI
J. Geshev,
S. Nicolodi, R.B. da Silva, J. Nogués, V. Skumryev and M.D.
Baró, "Discrimination between coupling and anisotropy fields in
exchange-biased bilayers," Journal of Applied
Physics105 (2009) 053903. DOI
J. Geshev, "Comment on 'Particle
size dependent exchange bias and cluster-glass states in LaMn0.7Fe0.3O3',"
Journal of Physics: Condensed Matter21 (2009) 078001. DOI
2008
D. Schafer, J. Geshev, S.
Nicolodi, L.G. Pereira, J.E. Schmidt and P.L. Grande, "Controlled rotation of the exchange-bias direction in
IrMn/Cu/Co via ion irradiation," Applied Physics Letters93 (2008) 042501. DOIJ. Geshev, 'Comment
on "Cluster glass induced exchange biaslike effect in the perovskite
cobaltites" [Appl. Phys. Lett. 90, 162515 (2007)],' Applied Physics Letters93 (2008) 176101. DOIJ. Geshev,
S. Nicolodi, L.G. Pereira, J.E. Schmidt, V. Skumryev,
S. Suriñach and M.D. Baró, "Impact of magnetization
easy-axis distributions on the ferromagnet-antiferromagnet exchange
coupling estimation," Physical
Review B77 (2008) 132407. DOIL.C.C.M. Nagamine, G.M.B. Castro, J.
Geshev, M.N. Baibich, E. B. Saitovitch and J.E. Schmidt, "Magnetoresistance and magnetization studies through a
Cu interlayer in spin valves of NiFe/Cu/NiFe/FeMn," Journal of Magnetism and Magnetic
Materials320 (2008) e16. DOII. L. Graff, J. Geshev, S.R. Teixeira, L.
Amaral and A. Traverse, "Atomic level
mixing induced by Kr irradiation of FeCo/Cu multilayers," Journal of Applied
Physics103 (2008) 033505. DOI J. Geshev, L.G. Pereira and V. Skumryev, 'Comment on "Exchange Bias Dependence on Interface Spin alignment in a Ni80Fe20/(Ni,Fe)O thin film'',' Physical Review Letters100 (2008) 039701. DOIL.C.C.M. Naganime, J. Geshev, J.B.M. da Cunha, A. Biondo and E.B. Saitovitch, "Magnetic anisotropy of
the ultrathin Fe layers in Fe/NiFe/Fe/Cu multilayers and their effect
to the magnetoresistance," Thin Solid Films516 (2008) 1279. DOIJ. Geshev, 'Comment on "Exchange bias and vertical shift in CoFe2O4
nanoparticles" [J. Magn. Magn. Mater. 313 (2007) 266],' Journal of Magnetism and Magnetic
Materials320 (2008) 600. DOI
2007
G.
Goev, V. Masheva, M. Mikhov and J. Geshev, "Irreversible
susceptibility of initial magnetization curve
defined by energy consideration," International
Journal of Modern Physics B21(21) (2007) 3707. DOIJ. Geshev,
S. Nicolodi, L.G. Pereira, L.C.C.M. Nagamine, J.E. Schmidt, C.
Deranlot, F. Petroff, R.L. Rodríguez-Suárez and A.
Azevedo, "Exchange bias through a Cu interlayer in IrMn/Co system," Physical
Review B75 (2007) 214402. DOIS.
Nicolodi, L.C.C.M. Nagamine, A. D. C. Viegas, J.E. Schmidt, L.G.
Pereira, C. Deranlot, F. Petroff and J. Geshev, "Copper
spacer thickness dependence of the exchange bias in
IrMn/Cu/Co ultrathin films," Journal of Magnetism and Magnetic
Materials316 (2007) e97. DOIG.
Goev, V. Masheva, J. Geshev and M.
Mikhov, "Irreversible susceptibility of initial magnetization
curve," AIP Conference
Proceedings899(1) (2007) 251. DOII.L. Graff, A. Traverse, J. Geshev, S.R. Teixeira and L. Amaral, "Magnetic and structural
behavior of FeCo/Cu multilayers submitted to Kr irradiation,"
Nuclear
Instruments and Methods in Physics ResearchB257 (2007) 424.DOIP. Migowski, S.R. Teixeira, G. Machado, M.C.M. Alves, J. Geshev and J. Dupont, "Structural and magnetic characterization of
Ni nanoparticles synthesized in ionic liquids," Journal
of Electron Spectroscopy and Related Phenomena156-158 (2007) 195. DOI
2006
L.C.C.M. Nagamine, J.E. Schmidt, M.N. Baibich, E.B. Saitovitch and J. Geshev,
"Field-dependent anisotropic magnetoresistance and
magnetization measurements of NiFe/FeMn exchange-biased
bilayers," Physica
B: Condensed Matter384(1-2)
(2006) 132. DOIJ.G. Borges, P. Prod’homme, F. Maroun, R. Cortès, J. Geshev,
J.E. Schmidt and P. Allongue, "Perpendicular anisotropy in
electrodeposited Au/Co films," Physica
B: Condensed Matter384(1-2) (2006) 138. DOI
S.
Nicolodi, L.G. Pereira, J.E. Schmidt, L.C.C.M. Nagamine, A.D.C.
Viegas, C. Deranlot, F. Petroff and J. Geshev, "Angular
dependence of the exchange bias and coercivity of
IrMn/Co bilayers," Physica
B: Condensed Matter384(1-2)
(2006) 141. DOIJ. Geshev,
M. Cougo dos Santos, L. F. Zagonel, L.G. Pereira and J.E. Schmidt, "Magnetization
switching in vicinal (111) iron and
cobalt thin films," Physica
B: Condensed Matter384(1-2)
(2006) 135. DOI
2005
M. Carara, K.D. Sossmeier, A.D.C. Viegas, J. Geshev, H. Chiriac
and R.L. Sommer, "Study of CoFeSiB glass-covered amorphous
microwires under applied stress," Journal of Applied
Physics98(3) (2005) 033902.
DOIE. Fonda, S.R. Teixeira, J. Geshev,
D. Babonneau, F. Pailloux and A. Traverse, "Negative differential
magnetization in Ni nanoparticles embedded in Al," Physical Review B71(18)
(2005) 184411. DOIL.C.C.M.
Nagamine, J. Geshev,
T. Menegotto, A.A.R. Fernandes, A. Biondo and E.B. Saitovitch, "Ferromagnetic
resonance and magnetization studies in exchange-coupled NiFe/Cu/NiFe
structures," Journal of Magnetism and Magnetic Materials288 (2005) 205. DOI
2004
M. Cougo dos Santos, J. Geshev,
L.G. Pereira, M.C.M. Alves, J.E. Schmidt and P. Allongue, "Intralayer
coupling in self-organized Fe nanoclusters grown on vicinal
Si(111)," Physical
Review B70(10) (2004)
104420. DOIJ. Geshev, L.G. Pereira and J.E. Schmidt, "Comment on "Thickness dependence of exchange bias
and coercivity in a ferromagnetic layer coupled with an
antiferromagnetic layer" [J. Appl. Phys.94, 2529 (2003)],' Journal
of Applied Physics96(3) (2004) 1763. DOIC. Driemeier, L.C.C.M. Nagamine, J.E. Schmidt and
J. Geshev,"Tuning the antiferromagnetic easy axis direction in exchange bias bilayers,"
Journal of Magnetism and Magnetic Materials272-276S (2004) E811. DOIA. Staneva, E. Gattef, Y. Dimitriev, M.
Mikhov and J.
Geshev, "Magnetic materials containing LaSr manganite
phase,"
Solid
State Sciences6(1) (2004) 47. DOI
2003
M. Cougo dos Santos, J. Geshev,
D.K. Silva,
J.E. Schmidt, L.G. Pereira, R. Hubler and P. Allongue, "Strong
dependence of the Fe thin film magnetic anisotropy on the Si(111)
substrate preparation," Journal
of Applied Physics94(3) (2003) 1490. DOIJ. Geshev, L.G. Pereira, J.E.
Schmidt, L.C.C.M.
Nagamine, E. B. Saitovitch and F. Pelegrini, "Frequency dependent exchange bias in NiFe/NiO films," Physical Review B67(13) (2003) 132401. DOI
2002
J. Geshev, L.G. Pereira and J.E.
Schmidt, "Rotatable anisotropy and coercivity in exchange-bias
bilayers," Physical
Review B66(13) (2002) 134432. DOIJ. Geshev, L.G. Pereira and J.E.
Schmidt, "Dependence of the ferromagnetic resonance modes on the coupling
strength in exchange-coupled trilayer structures," Physica B 320(1-4) (2002)
169. DOIM.A.S. Boff, J. Geshev,
J.E. Schmidt, W.H. Flores, A.B. Antunes, M.A. Gusmão and S.R.
Teixeira, "Bias dependence of magnetoresistance in Fe-Al2O3
granular thin films," Journal
of Applied Physics91(12) (2002) 9909. DOI
2001
J. Geshev, L.G. Pereira, J.E.
Schmidt and M. Mikhov, "Dependence of the magnetization and
remanence of single domain particles on the second cubic anisotropy
constant," Journal of Applied
Physics90(12)
(2001) 6243. DOIJ. Geshev, L.G. Pereira and J.E.
Schmidt, "Angular dependence of the exchange bias obtained from
magnetization and ferromagnetic resonance measurements in
exchange-coupled bilayers," Physical Review B64
(2001) 184411. DOIJ. Geshev, A. Morrone and
J.E. Schmidt,
"Multi-state perpendicular remanence in Co/Pd multilayers," Journal of Magnetism and Magnetic Materials226-230 (2001) 1711. DOI
2000
J. Geshev, "Analytical
solutions for exchange bias and coercivity in
ferromagnetic/antiferromagnetic bilayers," Physical Review B62(9) (2000) 5627. DOI M. Cougo dos Santos, J. Geshev,
J.E. Schmidt, S.R. Teixeira and L.G. Pereira, "Origin of the magnetization reversal of an Fe thin film on Si(111)," Physical Review B61(2) (2000) 1311. DOI
1999
J. Geshev, M. Mikhov and J.E.
Schmidt, "Remanent magnetization plots of fine particles with competing cubic and uniaxial anisotropies," Journal of Applied
Physics85(10) (1999) 7321. DOIJ. Geshev, A.D.C. Viegas and J.E. Schmidt, "
Unusual remanent magnetization of granular Co/Cu," Journal of Magnetism and Magnetic Materials196(1) (1999) 126. DOIV. Masheva,
M. Grigorova, N. Valkov, H.J. Blythe, T. Midlarz, V. Blaskov, J.
Geshev and M. Mikhov , "On the magnetic properties of nanosized CoFe2O4," Journal of Magnetism and Magnetic Materials
196(1) (1999) 128. DOI J. Geshev, A. D. C. Viegas and J.E. Schmidt, "Anomalous remanence of franular CoCu,” Materials Science Forum302-303 (1999) 189. DOI J. Geshev,
Ll. Martinez, J.S.
Muñoz, J.E. Schmidt and M. Mikhov, "Evaluation of the anisotropy
feld for fine-particle systems from low-field thermomagnetic
curves,” IEEE Transactions on Magnetics35(2) (1999)
1019. DOI
1998
J.
Geshev,
A.D.C. Viegas and J.E. Schmidt, "Negative remanent magnetization of
fine particles with competing cubic and uniaxial anisotropies," Journal of Applied
Physics84(3) (1998) 1488. DOI W.H.
Flores, S.R. Teixeira, J. Geshev,
J.B.M. da Cunha, P.J.
Schilling, A. Traverse and M.C. Martins Alves, "Structural evolution
and magnetic behaviour of Co/Ag multilayers submitted to thermal
annealing," Journal of Magnetism and Magnetic Materials188(1-2)
(1998) 17. DOI A.D.C. Viegas, J. Geshev, J.E. Schmidt and E.F.
Ferrari, "Giant magnetoresistance and remanence in granular CoCu codeposited films," Journal of Applied Physics83(11)
(1998) 7007. DOI
1997
A.D.C. Viegas, J. Geshev, L.S. Dorneles, J.E.
Schmidt and M. Knobel, "Correlation between magnetic interactions
and giant magnetoresistance in melt-spun Co10Cu90 granular alloys," Journal of Applied Physics82(6)
(1997) 3047. DOI A.D.C. Viegas, J. Geshev, L.F. Schelp and J.E.
Schmidt, "Correlation between giant magnetoresistance and magnetic interactions in a CoAg multilayered/granular system," Journal of Applied
Physics 82(5) (1997) 2466. DOIJ. Geshev,
L. Bozukov, J.M.D. Coey and M. Mikhov, "Hysteresis of ball-milled
TbFe2 fine particles," Journal of Magnetism and Magnetic Materials170
(1997) 219. DOIJ. Geshev and J.E. Schmidt, "Interaction fields evaluation in fine particle systems," IEEE Transactions on Magnetics 33(4)
(1997) 2504. DOI A.D.C. Viegas, J. Geshev, L.S. Dorneles, J.E.
Schmidt and M. Knobel, "Giant magnetoresistance and magnetic interactions in granular Co10Cu90,"
in: Magnetic hysteresis in novel magnetic materials, Ed. G.C.
Hadjipanayis, (Kluwer Academic Publishers, Dordrecht, The Netherlands,
1997). NATO ASI Series E: Applied Sciences, vol. 338,
pp. 413.
1995
V. Masheva, J. Geshev and M. Mikhov, "The
Influence of the second anisotropy constant on the Fourier description
of hysteresis loops for a Stoner-Wohlfarth system," Journal of Magnetism and Magnetic Materials140-144
(1995) 371. DOI
1994
V. Masheva, J. Geshev and M. Mikhov, "Fourier analysis of magnetization curves," Proc. Suppl. Balkan Physics Letters2 (1994) 522-526.
J. Geshev, M. Mikhov and C. Sorensen, "Hopkinson effect in fine particle systems with cubic anisotropy," Proc.
Suppl. Balkan Physics Letters2 (1994) 330-333.
V. Masheva, J. Geshev and M. Mikhov, "Fourier analysis of hysteresis loops and initial magnetization curves.
Application to the singular-point-detection method," Journal of Magnetism and Magnetic Materials137
(1994) 350. DOI M. Mikhov, J. Geshev and V. Masheva, "Anisotropy field andi interparticle interactions determined by
Fourier analysis of magnetization curves of small particles," in:Nanophase materials, Eds. G.C. Hadjipanayis and R.W. Siegel, (Kluwer
Academic Publishers, Dordrecht, The Netherlands, 1994) NATO ASI
Series E: Applied Sciences, vol. 260 pp. 699-702.
J. Geshev,
V. Masheva and M. Mikhov, "Interaction effects detected by Fourier
analysis of hysteresis loops and iInitial magnetization curves," IEEE Transactions on Magnetics30(2)
(1994) 863. DOI
1992
J. Geshev, O. Popov, M. Mikhov, J.L. Sanchez Ll., N.
Suarez and F. Leccabue, "The Hopkinson effect in a fine BaFe12O19 particle system: demagnetization field effects," Journal of Magnetism and Magnetic Materials117
(1992) 190. DOIJ.
Geshev and M. Mikhov, "Remanence curves for a disordered system of three- and four-axial fine particles. Henkel-type plots," Journal of Magnetism and Magnetic Materials104-107
(1992) 1569. DOI
1990
J.
Geshev,
O. Popov, V. Masheva and M. Mikhov, "Thermomagnetic curves for a
disordered system of single domain ferromagnetic particles with cubic
anisotropy," Journal of Magnetism and Magnetic Materials92
(1990) 185. DOI