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Kungliga Tekniska Högskolan |
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Functional Materials Division |
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Original articles in refereed scientific journals
Nanocomposites of Polymer and Inorganic Nanoparticles for Optical and Magnetic Applications S. Li, M. M. Lin, M. S. Toprak, D. K. Kim, M. Muhammed Nano Reviews, MS ID:5214, Accepted for Publication (2010)
Radially Oriented ZnO nanowires on Flexible Poly-L-Lactide Nanofibers for Continuous-Flow Photocatalytic Water Purification Sugunan A., Guduru V. K., Uheida A., Toprak M. S., and Muhammed M. Journal of American Ceramic Society, in Press, Manuscript ID JACERS-27777 (2010).
Polyol synthesis of (polyvinylpyrrolidone) PVPMn3O4 nanocomposite A. Baykal, N. Bıtrak, B. Ünal, H. Kavas, Z. Durmus, S. Özden, M.S. Toprak Journal of Alloys and Compounds 502, pp 199205 (2010).
Synthesis Of Nanostructured BSCF By Oxalate Co-precipitation -As Potential Cathode Material For Solid Oxide Fuels Cells Toprak, M.S., Darab, M., Syvertsen, G.E., Muhammed, M. International Journal of Hydrogen Energy, doi:10.1016/j.ijhydene.2010.03.121 (2010).
Samarium-Doped Ceria Nanowires: Novel Synthesis and Application in Low-Temperature Solid Oxide Fuel Cells Ying Ma, Xiaodi Wang, Shanghua Li, Muhammet S. Toprak, Bin Zhu, Mamoun Muhammed Advanced Materials, 22 (14), pp. 1640-1644. Doi: 10.1002/adma.200903402 (2010).
Synthesis and magnetic characterization of Zn0.7Ni0.3Fe2O4 nanoparticles via microwave-assisted combustion route Sertkol, M., Köseoglu, Y., Baykal, A., Kavas, H., Toprak, M.S. Journal of Magnetism and Magnetic Materials, 322 (7), pp. 866-871 (2010).
CTAB-Mn3O4 nanocomposites: Synthesis, NMR and low temperature EPR studies Kavas, H., Durmus, Z., Şenel, M., Kazan, S., Baykal, A., Toprak, M.S. Polyhedron, 29 (5), pp. 1375-1380 (2010).
Low-temperature synthesis of photoconducting CdTe nanotetrapods A. Sugunan, H. M. Jafri, J. Qin, T. Blom, M. S. Toprak, K. Leifer, M. Muhammed J. Mater. Chem., 20, pp. 12081214, DOI: 10.1039/b916208a (2010).
Synthesis and characterization of CuFe2O4 nanorods synthesized by polyol route Altincekic, T.G., Boz, I., Baykal, A., Kazan, S., Topkaya, R., Toprak, M.S. Journal of Alloys and Compounds, 493 (1-2), pp. 493-498 (2010).
Synthesis and characterization of polypyrrole-BaFe12O19 nanocomposite Birsöz, B., Baykal, A., Sözeri, H., Toprak, M.S. Journal of Alloys and Compounds, 493 (1-2), pp. 481-485(2010).
Synthesis and conductivity evaluation of PVTriFe3O4 nanocomposite H. Kavas, Z. Durmus, A. Baykal, A. Aslan, A. Bozkurt and M.S. Toprak Journal of Non-Crystalline Solids 356 (9-10), pp. 484-489, doi:10.1016/j.jnoncrysol.2009.12.022 (2010) .
The Use of a Nano- and Microporous Surface Layer to Enhance Boiling in a Plate Heat Exchanger R Furberg, B Palm, S Li, M Toprak, M Muhammed J. Heat Transfer 131 (10), pp. 101010, doi:10.1115/1.3180702 (2009).
Microwave synthesis and characterization of Zn-doped nickel ferrite nanoparticles Sertkol, M., Köseoglu, Y., Baykal, A., Kavas, H., Bozkurt, A., Toprak, M.S. Journal of Alloys and Compounds, 486 (1-2), pp. 325-329 (2009).
L-lysine coated iron oxide nanoparticles: Synthesis, structural and conductivity characterization Durmus, Z., Kavas, H., Toprak, M.S., Baykal, A., Altinçekiç, T.G., Aslan, A., Bozkurt, A., Coşgun, S. Journal of Alloys and Compounds, 484 (1-2), pp. 371-376 (2009).
Nanoengineered BSCF cathode materials for intermediate-temperature solid-oxide fuel cells Darab, M., Toprak, M.S., Syvertsen, G.E., Muhammed, M. Journal of the Electrochemical Society, 156 (8), pp. K139-K143 (2009).
A green chemical route for the synthesis of Mn3O4 nanoparticles Durmus, Z., Kavas, H., Baykal, A., Toprak, M.S. Central European Journal of Chemistry, 7 (3), pp. 555-559 (2009).
Ovalbumin mediated synthesis of Mn3O4 Durmus, Z., Baykal, A., Kavas, H., Direkçi, M., Toprak, M.S. Polyhedron, 28 (11), pp. 2119-2122 (2009).
Reflux synthesis of Co3O4 nanoparticles and its magnetic characterization Ozkaya, T., Baykal, A., Toprak, M.S., Koseoglu, Y., Durmuş, Z. Journal of Magnetism and Magnetic Materials, 321 (14), pp. 2145-2149 (2009).
Cation distribution and magnetic properties of Zn doped NiFe2O4 nanoparticles synthesized by PEG-assisted hydrothermal route Kavas, H., Baykal, A., Toprak, M.S., Köseoglu, Y., Sertkol, M., Aktaş, B. Journal of Alloys and Compounds, 479 (1-2), pp. 49-55 (2009).
High quality and tuneable silica shell-magnetic core nanoparticles Vogt, C., Toprak, M.S., Muhammed, M., Laurent, S., Bridot, J.-L., Müller, R.N. Journal of Nanoparticle Research, 12(4), pp. 1-11. Doi: 10.1007/s11051-009-9661-7 (2009).
Synthesis and magnetic properties of bulk transparent PMMA/Fe-oxide nanocomposites Li, S., Qin, J., Fornara, A., Toprak, M., Muhammed, M., Kim, D.K. Nanotechnology, 20 (18), art. no. 185607 (2009).
Synthesis of Fe3O4 nanoparticles at 100 °C and its magnetic characterization Ozkaya, T., Toprak, M.S., Baykal, A., Kavas, H., Köseoglu, Y., Aktaş, B. Journal of Alloys and Compounds, 472 (1-2), pp. 18-23 (2009).
Metals and the integrity of a biological coating: The cuticle of mussel byssus Holten-Andersen, N., Mates, T.E., Toprak, M.S., Stucky, G.D., Zok, F.W., Waite, J.H. Langmuir, 25 (6), pp. 3323-3326 (2009).
CTAB-assisted hydrothermal synthesis and magnetic characterization of NixCo1-xFe2O4 nanoparticles (x = 0.0, 0.6, 1.0) Baykal, A., Kasapoglu, N., Durmuş, Z., Kavas, H., Toprak, M.S., Köseoglu, Y. Turkish Journal of Chemistry, 33 (1), pp. 33-45 (2009).
Seebeck coefficient of nanostructured phosphorus-alloyed bismuth telluride thick films Zhou, J., Li, S., Soliman, H.M.A., Toprak, M.S., Muhammed, M., Platzek, D., Müller, E. Journal of Alloys and Compounds, 471 (1-2), pp. 278-281 (2009).
Template electrodeposition of ordered bismuth telluride nanowire arrays Li, S., Liang, Y., Qin, J., Toprak, M., Muhammed, M. Journal of Nanoscience and Nanotechnology, 9 (2), pp. 1543-1547 (2009).
A novel synthetic route to Mn3O4 nanoparticles and their magnetic evaluation Ozkaya, T., Baykal, A., Kavas, H., Köseoglu, Y., Toprak, M.S. Physica B: Condensed Matter, 403 (19-20), pp. 3760-3764 (2008).
CTAB-assisted hydrothermal synthesis of NiFe2O4 and its magnetic characterization Baykal, A., Kasapoglu, N., Köseoglu, Y., Toprak, M.S., Bayrakdar, H. Journal of Alloys and Compounds, 464 (1-2), pp. 514-518 (2008).
2-pyrrolidone - Capped Mn3O4 nanocrystals Özkaya, T., Baykal, A., Toprak, M.S. Central European Journal of Chemistry, 6 (3), pp. 465-469 (2008).
Synthesis and characterization of ZnFe2O4 magnetic nanoparticles via a PEG-assisted route Köseoglu, Y., Baykal, A., Toprak, M.S., Gözüak, F., Başaran, A.C., Aktaş, B. Journal of Alloys and Compounds, 462 (1-2), pp. 209-213 (2008).
Nature-inspired Boiling Enhancement by Novel Nanostructured Macro-porous Surface Shanghua Li, Richard Furberg, Muhammet S. Toprak, Björn Palm, and Mamoun Muhammed Adv. Funct. Mater., DOI: 10.1002/adfm.200701405
Novel bulk synthesis of transparent and homogeneous polymeric hybrid materials with ZnO quantum dots and PMMA
Thermoelectric properties of CoSb3 with maize-like structure
Thermoelectric properties of hot-pressed skutterudite CoSb3
Effect of ceramic dispersion on thermoelectric properties of nano ZrO2/CoSb3 composites Z. He, C. Stiewe, D. Platzek, G. Karpinski, E. Müller, S. Li, M. Toprak, and M. Muhammed J. Appl. Phys. (2007), 101, 043707
Control of thermoelectric properties in ZrO2/CoSb3 nano-dispersed composites
Nano ZrO2/CoSb3 composites with improved thermoelectric figure of merit Z. He, C. Stiewe, D. Platzek, G. Karpinski, E. Müller, S. Li, M. Toprak, and M. Muhammed Nanotechnology, (2007), 18, 235602
Field-activated sintering of skutterudites V. Y. Kodash, J. R. Groza, G. Aldica, M. S. Toprak, S. Li and M. Muhammed
Synthesis and Characterization of ZnFe2O4 Magnetic Nanoparticles via a PEG-assisted route. Y. Köseoğlu; A. Baykal; M. S. Toprak; F. Gözüak; A. C. Başaran; B. Aktaş, in Press in Journal of Alloys and Compounds
Microwave-induced Combustion Synthesis and Characterization of NixCo1-xFe2O4 Nanocrystals (x = 0, 0.6, 1.0) A. Baykal, N. Kasapoğlu, Y. Köseoğlu, M. Toprak, B. Aktaş, Submitted to J.Magn. Mag. Mater.
Control of Size and Permeability of Nanocomposite Microspheres M. S. Toprak, B. J. McKenna, H. Waite, G. D. Stucky, Chem. Mater., 19 (17), 4263 -4269, 2007.
Synthesis and Magnetic Properties of octahedral ferrite NixCo1-xFe2O4 Nanocrystals N. Kasapoğlu, B. Birsöz, A. Baykal, Y. Köseoğlu, M. S. Toprak, Central European Journal of Chemistry, Vol. 5, No. 2, Jun. 2007, pp. 570-580
NiFe2O4 by CTAB - assisted Hydrothermal Method N. Kasapoğlu, A. Baykal, Y. Köseoğlu, H. Bayrakdar, M. S. Toprak, to be published in Materials Chemistry and Physics.
Synthesis, Characterization and Magnetic Investigation of (NH4)0.5Mn1.25(H2O)2[BP2O8]0.5H2O Birsöz, A. Baykal, M. S. Toprak, Y. Köseoğlu, Central European Journal of Chemistry, Vol. 5, No. 2, Jun. 2007, pp. 536-545
Microwave-assisted combustion synthesis of CoFe2O4 with urea, and its magnetic characterization N. Kasapoğlu, A. Baykal, Y. Köseoğlu and M. S. Toprak, Scripta Materialia 57 (2007), 441444.
Spontaneous Assembly of Magnetic Microspheres M. S. Toprak, B. McKenna, H. Waite, G. Stucky, Adv. Mater., 2007, 19(10), 1362-1368.
Fabrication of Nanostructured Thermoelectric Bismuth Telluride Thick Films by Electrochemical Deposition. S. Li, M. Toprak, H. M. A. Soliman, J. Zhou, M. Muhammed, D. Platzek, and E. Müller, Chem. Mater., 18 (16), 3627 -3633, 2006. http://pubs.acs.org/cgi-bin/abstract.cgi/cmatex/2006/18/i16/abs/cm060171o.html
The Impact of Nanostructuring on the Thermal Conductivity of Thermoelectric CoSb3 M. Toprak, C. Stiewe, L. Bertini, D. Platzek, S. Williams, C. Gatti, E. Müller, Y. Zhang, M. Rowe, M. Muhammed, Adv. Func. Mater. 14, Issue 12, 1189-1196, 2004. http://www3.interscience.wiley.com/cgi-bin/abstract/109857025/ABSTRACT?CRETRY=1&SRETRY=0
Polymeric nanocomposites of complex ferrite. D. K. Kim, M. Toprak, M. Mikhaylova, Y. S. Jo, Steven J. Savage, T. Tsakalakos, M. Muhammed, Solid State Phenomena, 99-100, 165-168, 2004.
Structural study of Fe doped and Ni substituted thermoelectric skutterudites by combined synchrotron and neutron powder diffraction and ab initio theory. M. Christensen, B.B. Iversen, L. Bertini, C. Gatti, M. Toprak, M. Muhammed, E. Nishibori, J. Appl. Phys., 96(6), 1-10, 2004.
BSA Immobilization on Amine-Functionalized Superparamagnetic Iron Oxide Nanoparticles. M. Mikhaylova, D.K. Kim, C. Berry, A. Zagorodni, M. Toprak, A.S.G. Curtis, M. Muhammed. Chem. Mater. 2004, 16(12), 2344. http://pubs.acs.org/cgi-bin/abstract.cgi/cmatex/2004/16/i12/abs/cm0348904.html
Fabrication of 3D TE Structures M. Toprak, M. Mikhaylova, Y. S. Jo, D. K. Kim, M. Muhammed, Solid State Phenomena 2004, 99-100, 73.
A novel thermosensitive composite fabricated with Au nanoparticles, poly lactide, and poly(N-isopropylacrylamide) Y. S. Jo, D. K. Kim, M. Toprak, M. Mikhaylova, M. Muhammed, Solid State Phenomena 2004, 99-100, 165.
Nanocrystalline Thermoelectric Alloys: Processing, Chemistry and Characterization M. Toprak, Y. Zhang, Y. S. Jo, D. K. Kim, M. Muhammed, Solid State Phenomena 2004, 99-100, 197.
Chemical Alloying and Characterization of Nanocrystalline Bismuth Telluride. M. Toprak, Yu Zhang, M. Muhammed, Materials Letters 4460 (2003) 1-7.
ESR measurements on nanocrystalline powders of CoNiO Y. Köseoğlu, F. Yıldız, B. Aktaş, G. Salazar Alvarez, M. Toprak, M. Muhammed, Physica Status Solidi (b), Vol. 242, No. 8, Jun. 2005, pp. 1712-1718.
ESR study on high Tc superconductor MgB2 Y. Köseoglu, B. Aktas, F. Yildiz, D. K. Kim, M. Toprak, M. Muhammed, Physica C. 390 (2003) 197-203
Nanostructured Co1-xNixSb3 Skutterudites: Synthesis, thermoelectric properties, and theoretical modeling. L. Bertini, C. Stiewe, M. Toprak, S. Williams, D. Platzek, A. Mrotzek, Y. Zhang, C. Gatti, E. Müller, M. Muhammed, M. Rowe, J. Appl. Phys. 93(1), 438-447(2003).
Hydrothermal and, Microwave Synthesis of Boronphosphate BPO4 A. Baykal, M. Toprak, M.Kizilyalli, and R.Kniep, Turk. J. Chem. 25(4) (2001), 425-432.
X-RAY powder diffraction and IR study of calcium borophosphate CaBPO5 Baykal, G. Gozel, M. Kizilyalli, M. Toprak, R. Kniep. Turk. J. Chem. 24(4) (2000), 381-388.
Original contributions to refereed scientific conferences and workshops
Tailoring magnetic microspheres with controlled porosity. M. S. Toprak, B. J. McKenna, H. J. Waite, G. D. Stucky, to be published in Mater. Res. Soc. Symp. Proc., Symposium W, Nov 27-Dec 1, 2006. Processing and characterization of nano-structured ZrO2/CoSb3. Z. He, C. Stiewe, S. Li, D. Platzek, G. Karpinski, E. Mueller, M. Toprak, M. Muhammed, Proceedings of 25th International Conference on Thermoelectrics, Aug 6-10, Vienna/Austria, 2006, accepted to be published. Influence of phase composition on the thermoelectric properties of nanostructured skutterudite-ceramic composites. C. Stiewe, Z. He, S. Li, D. Platzek, M. Toprak, E. Mueller, M. Muhammed Proceedings of 25th International Conference on Thermoelectric, Aug 6-10,Vienna/Austria, 2006, accepted to be published. Dendritically ordered nano-particles in a micro-porous structure for enhanced boiling. Richard Furberg, Shanghua Li, Björn Palm, Muhammet Toprak, Mamoun Muhammed, Proceedings of 13th International Heat Transfer Conference, Aug 13-18, Sydney/Australia, 2006, accepted to be published. Promising bulk nanostructured thermoelectrics. M. Muhammed, M. S. Toprak, S. Li, C. Stiewe, D. Platzek, E. Mueller Proceedings European Conference on Thermoelectrics 2006, paper 4 (2006). Thermoelectric properties of nanostructured CoSb3-Ceramic Composites Annealing and Doping Effects on Thermopower of Nanostructured Bismuth Telluride Thick Films. S. Li, J. Zhou, M. S. Toprak, M. Muhammed, D. Platzek, and E. Müller Fabrication of transparent polymer-inorganic hybrid material * Novel Hybrid Composite for UV-Shielding S. Li, M. Toprak, Y. S. Jo, D. K. Kim, M. Muhammed, 2005 MRS spring meeting, Mar 28-Apr 1, MRS symposium proceeding, R(2005): no. 45. Surface modification of superparamagnetic nanoparticles for in vivo bio-medical applications. D. K. Kim, M. Toprak, M. Mikhaylova, Y. Zhang, M. Muhammed. Nanoparticulate Materials, Mat. Res. Soc., 704, 2002 In-situ gold coating of superparamagnetic nanoparticles by microemulsion method. D. K. Kim, M. Mikhaylova, M. Toprak, Y. Zhang, M. Muhammed. Nanoparticulate Materials, Mat. Res. Soc., 704, 2002 Nanowire formation by electrodeposition in modified nanoporous polycrystalline anodic alumina templates. M. Mikhaylova, M. Toprak, D. K. Kim, Y. Zhang, M. Muhammed. Nanoparticulate Materials, Mat. Res. Soc., 704, 2002. * Encapsulation of magnetic particles in metallic hollow nanospheres. M. Toprak, D. K. Kim, M. Mikhaylova, Y. Zhang, M. Muhammed. Nanoparticulate Materials, Mat. Res. Soc., 704, 2002 Nanopatterning 2D metallic surfaces by soft lithography. M. S. Toprak, D. K. Kim, M. Mikhaylova, Y. Zhang, M. Muhammed, Nanopatterning; From Ultralarge-Scale Integration to Biotechnology, Mat. Res. Soc., 705, pp. Y.7.22.1-Y7.22.6, 2002 * Synthesis and characterization of magnetic polymeric nanospheres. D. K. Kim, M. Mikhaylova, M. Toprak, A. Guyou, Y. K. Jeong, and M. Muhammed, Surface Engineering 2002--Synthesis, Characterization and Applications, Mat. Res. Soc., 750, 2003 * Multilayer structures by self-assembly. M. Toprak, D. K. Kim, M. Mikhaylova, M. Muhammed, Nanomaterials for Structural Applications, Mat. Res. Soc., 740, 2003 Synthesis of sequential nanostripes by controlled electrochemical deposition. M. Mikhaylova, M. Toprak, D. K. Kim, and M. Muhammed, Surface Engineering 2002--Synthesis, Characterization and Applications, Mat. Res. Soc., 750, 2003 Chemical Route to Nano-engineered Skutterudite. M. Toprak, Yu Zhang, M. Muhammed, A.A. Zakhidov, R.H. Baughman and I. Khayrullin. Proceedings of XVIIIth International Conference on Thermoelectrics, 382-385, IEEE (2000). Nano-engineered Thermoelectric Coating. M. Toprak, Yu Zhang, M. Muhammed, A.A. Zakhidov, R.H. Baughman and I. Khayrullin. G.M. Chow et al. (eds.), Nanostructured Films and Coatings, 149-156 (2000), Kluwer Academic Publishers, Netherlands. Improvement of Thermoelectric Properties of Nano-grained CoSb3 Skutterudites Doped with Ni (n) or Fe (p). C. Stiewe, M. Toprak, D. Platzek, E. Müller, and M. Muhammed, Proceedings of the VIIth European Workshop on Thermoelectrics of the European Thermoelectric Society Pamplona, Spain, 03.10.-04.10.2002. Theoretical modeling of Te doped CoSb3, L. Bertini, G. Borot, K. Billquist, M. Christensen, C. Gatti, L. Holmgren, B. Iversen, E. Müller, M. Muhammed, G. Noriega, A. Palmqvist, D. Platzek, D.M. Rowe, A. Saramat, C. Stiewe, M. Toprak, S.G. Williams, Y. Zhang, Proceddings of ICT03, IEEE Catalog No. 03TH8726 (2003), 85-88 Pitfalls in Crystallographic Analysis of Doped Skutterudite Materials, L. Bertini, G. Borot, K. Billquist, M. Christensen, C. Gatti, L. Holmgren, B. Iversen, E. Müller, M. Muhammed, G. Noriega, A. Palmqvist, D. Platzek, D.M. Rowe, A. Saramat, C. Stiewe, M. Toprak, S.G. Williams, Y. Zhang, Proceddings of ICT03, IEEE Catalog No. 03TH8726 (2003), 68-71 Standardisation in thermoelectric transport properties measurements - The Cardiff NEDO laboratories and DLR Cologne program L. Bertini, G. Borot, K. Billquist, M. Christensen, C. Gatti, L. Holmgren, B. Iversen, E. Müller, M. Muhammed, G. Noriega, A. Palmqvist, D. Platzek, D.M. Rowe, A. Saramat, C. Stiewe, M. Toprak, S.G. Williams, Y. Zhang, Proceddings of ICT03, IEEE Catalog No. 03TH8726 (2003), 532-536 Chemical Alloying and characterization of Nanocrystalline Co1-xNixSb3-yTey Skutterudites L. Bertini, G. Borot, K. Billquist, M. Christensen, C. Gatti, L. Holmgren, B. Iversen, E. Müller, M. Muhammed, G. Noriega, A. Palmqvist, D. Platzek, D.M. Rowe, A. Saramat, C. Stiewe, M. Toprak, S.G. Williams, Y. Zhang. in Proceedings of ICT2003, IEEE Catalog No. 03TH8726 (2003), p.117. Grain Size Dependence of Transport Properties of Nano-engineered Thermoelectric CoSb3 L. Bertini, G. Borot, K. Billquist, M. Christensen, C. Gatti, L. Holmgren, B. Iversen, E. Müller, M. Muhammed, G. Noriega, A. Palmqvist, D. Platzek, D.M. Rowe, A. Saramat, C. Stiewe, M. Toprak, S.G. Williams, Y. Zhang. in Proceedings of ICT2003, IEEE Catalog No. 03TH8726 (2003), p.93. Thermoelectric Properties of Nano-grained CoSb3 Skutterudites Doped with Nickel and Tellurium L. Bertini, G. Borot, K. Billquist, M. Christensen, C. Gatti, L. Holmgren, B. Iversen, E. Müller, M. Muhammed, G. Noriega, A. Palmqvist, D. Platzek, D.M. Rowe, A. Saramat, C. Stiewe, M. Toprak, S.G. Williams, Y. Zhang. In Proceedings of ICT200,3 IEEE Catalog No. 03TH8726 (2003), p. 48.
Book Chapter
M. Muhammed, and M. Toprak Nansotructured Skutterudites, in Thermoelectrics Handbook: Macro to Nano-Structured Materials; Chapter_41, Ed. D. M. Rowe ISBN: 0849322642.
Patents
· Oxidation protective coating of magnetic nanoparticles and methods of preparation. D. K. Kim, M. Muhammed, Y. Zhang, M. Toprak Swedish Patent Application No: 0200972-8
· Enhancement of Boiling Heat Transfer by Nanofluid. M. Muhammed, B. Palm, S. Witarana, Y. Zhang, M. Toprak Swedish Patent Application No: 0301262-2
· Engineering of Porous Surface for Enhanced Boiling. S. Li, M. Toprak, Y. Zhang, M. Muhammed, R. Furberg, B. Palm Swedish Patent Application No: 0600475-8 |
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