Stanford Center for Magnetic Nanotechnology

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Publications

Books

Papers in Refereed Archival Journals

Biosensor, Biochip, & Nanoparticle

Inductors & Inductive Materials

    Spintronics

Magnetic Information Storage

    Other Magnetic Materials

Papers in Conference Proceedings

Patents and Patents Applications

Special Reports and Manuscripts

Invited Presentations

    1.   S. X. Wang and A. Taratorin, Magnetic Information Storage Technology, 578 pages, Academic Press, April, 1999.

      2.   M. A. Seigler, C. B. Murray, T. P. Nolan, S. X. Wang, B. J. Daniels, (editors),  Magnetic Materials, Structures, and Processing for Information Storage, MRS Proceedings, 2001.

      3.   G. Li and S. X. Wang, Spin Valve Biosensors with Magnetic Nanoparticle Tags, book chapter to appear in Biomedical Applications of Nanotechnology, edited by V. Labhasetwar and D. L. Leslie-Pelecky, Wiley, 2005.

Papers in Refereed Archival Journals

A. Magnetic Biosensors, Biochips, and Nanoparticles

11. J. T. Kemp, R. W. Davis, R. L. White, S. X. Wang, and C. D. Webb, “A novel method for STR-based DNA fingerprinting using microarrays,” J. of Forensic Sciences, in press.

10. Stephanie G. Grancharov, Hao Zeng, Shouheng Sun, Shan X. Wang, Stephen O’Brien, C.B. Murray, J.R. Kirtley & G.A. Held, “Bio-functionalization of monodisperse magnetic nanoparticles and their use as biomolecular labels in a magnetic tunnel junction based sensor,” J. Phys. Chem., in press.

9.   H. Yu, M. Chen, P. M. Rice, S. X. Wang, R. L. White, and S. Sun, “Dumbbell-like bifunctional Au-Fe3O4 nanoparticles,”. Nano Lett., 5(2), 379-382, 2005.

8.   D. B. Robinson, H. H. J. Persson, H. Zeng, G. Li, N. Pourmand, S. Sun, and S. X. Wang,  “DNA-functionalized MFe2O4 (M=Fe, Co, Mn) nanoparticles and their hybridization to DNA-functionalized surfaces,”. Langmuir, 21, 3096-3103, 2005.

7.   S. X. Wang, S.-Y. Bae, G. Li, S. Sun, R. L. White, J. T. Kemp, and C. D. Webb, “Towards a magnetic     microarray for sensitive diagnostics,” J. Mag. Mag. Mat., 293, 731-736,2005.

6.   H. Zeng, P. M. Rice, S. X. Wang, and S. Sun, “Shape-controlled synthesis and shape- induced texture of  MnFe₂O₄ nanoparticles,”, J. Am. Chem. Soc., 126, 11458-9, 2004.

5.   G. Li, S. X. Wang, and S. Sun, “Model and experiment of detecting multiple magnetic nanoparticles as biomolecular labels by spin valve sensors,” IEEE Trans. Magn., 40(4), 3000-2, 2004

4.   V. Joshi, G. Li, S. X. Wang, and S. Sun, “Biochemical stability of components for use in a DNA detection system,” IEEE Trans. Magn., 40(4), 3012-4, 2004.

3.   S. Sun, H. Zeng, D. B. Robinson, S. Raoux, P. M. Rice, S. X. Wang, and G. Li,

“Monodisperse MFe2O4 (M = Fe, Co, Mn) nanoparticles”, J. Am. Chem. Soc., 126, 273- 279, 2004.

2.   G. X. Li, S. X. Wang, “Analytical and micromagnetic modeling for detection of a single magnetic microbead or nanobead by spin valve sensors,” IEEE Trans. Magn., 39(5),3313-5, 2003.

1.   G. Li, V. Joshi, R. L. White, S. X. Wang, J. T. Kemp, C. Webb, R. W. Davis, “Detection of single micron-sized magnetic bead and magnetic nanoparticles using spin valve sensors for biological applications,” J. Appl. Phys., 93, 7557-9, 2003.

B. Magnetic Inductors and Inductive Magnetic Materials

7.   L. Li, A. M. Crawford, S. X. Wang, A. Marshall, M. Mao, T. Schneider, R. Bubber,  “Soft magnetic   granular material Co-Fe-Hf-O for micromagnetic device applications,” J. Appl. Phys., 97, 10F907-1 to -3, 2005.

6.   D. W. Lee, A. M. Crawford, and S. X. Wang, “Composite-anisotropy amorphous magnetic materials for high frequency devices,” J. Appl. Phys., 97, 10F911-1 to -3, 2005.

5.   M. Vroubel, Y. Zhuang, B. Rejaei, J. Burghartz, A. M. Crawford, and S. X. Wang, “Calculation of shape anisotropy for micropatterned thin FeNi films for on-chip RF applications,” IEEE Trans. Magn., 40(4), 2835-7, 2004.

4.   A. M. Crawford and S. X. Wang, “Effect of patterned magnetic shields on high frequency integrated inductors,” IEEE Trans. Magn., 40(4), 2017-9, 2004.

3.   A. M. Crawford, D. Gardner, and S. X. Wang, “Fabrication and comparison of broad-band inductors with one and two Co-based amorphous ground planes,” Trans. Magn. Soc. Jap., 2(5), 357-360, 2002.

2.   A. M. Crawford, D. S. Gardner, and S. X. Wang, “High frequency micro-inductors with amorphous magnetic ground planes,”IEEE Trans. Magn., 38(5), 3168-3170, 2002.

1.   S. X. Wang, N. X. Sun, M. Yamaguchi, and S. Yabukami, "Properties of a new soft magnetic material,"Nature, 407, 150-1, Sept. 14, 2000.

C. Spintronics: Spin Filters, Magnetic Tunnel Junctions, Half Metals, etc.

22. S. Ghosh, V. Sih, W. H. Lau, and D. D. Awschalomm, S.-Y. Bae and S. Wang, S. Vaidya and G. Chapline, “Room-temperature spin coherence in ZnO,” Appl. Phys. Lett., 86, 232507-9, 2005.

21. M. G. Chapline and S. X. Wang, “PLD grown CoFe2O4/Fe3O4       bilayers and their tunneling characteristics,” J. Appl. Phys., 97, 10F915-1 to -3, 2005.

      20. M. G. Chapline and S. X. Wang, “Observation of the Verwey Transition in Thin Magnetite Films,” J. Appl. Phys., 97, 123901, 2005.

19. M. Sharma, S.-Y. Bae, and S. X. Wang, “Inelastic electron tunneling spectroscopy of magnetic tunnel junctions with AlN and AlON barriers,” J. Magn. Magn. Mater., vol.272-276, pt.3, p.1952-3, 2004.

18. K. Aoshima and S. X. Wang, “Fe₃O₄ and its magnetic tunneling junctions grown by ion beam deposition,” J. Appl. Phys. 93, 7954-6, 2003.

17. S.-S. Lee, J.-R. Rhee, C.-M. Park, S. X. Wang, D.-G. Hwang, M.-Y. Kim, J.-Y. Hwang, “Dependence of natural oxidation spin-dependent tunneling junctions on junction area,”  Phys. Stat. Sol. (a), 189 (3), 659-662, 2002.

16. S.-Y. Bae and S. X. Wang, “Transport in magnetically doped magnetic tunnel junctions,”IEEE Trans. Magn., 38(5), 2721-3, 2002.

15. Y. Li and S. X. Wang, “Intermixing effects in ultrathin barrier magnetic tunnel junctions,” J. Appl. Phys., 91(10), 7950-2, 2002.

14. K. Aoshima and S. X. Wang, “Epitaxial growth and characterization of Fe3O4 on Ru Underlayer,” J. Appl. Phys., 91(10), 7146-8, 2002.

13. S. S. Lee, S. X. Wang, C. M. Park, J. R. Rhie, C. S. Yoon, P. J. Chang, and C. K. Kim, “Junction area dependence of tunneling magnetoresistance,” J. Magn. Magn. Mat., 239, 129-131, 2001.

12. S.-Y. Bae, K.-H. Shin, J.-H. Lee, K.-W. Rhie, K.-I. Lee, J.-G. Ha, and S. X. Wang, “Oxidation kinetics of tunnel barrier and its effect on exchange bias of proximity interface,” Appl. Phys. Lett., 79(25), 4130-2, 2001.

11. M. Sharma, J. H. Nickel, T. C. Anthony, and S. X. Wang, "Spin-dependent tunneling junctions with AlN and AlON barriers," Appl. Phys. Lett., 77(4), 2219-21, 2000.

10. T. Clark, F. Mancoff, S. X. Wang, B. Clemens, and R. Sinclair, "Study of DC plasma oxidized Al₂O₃ barriers in spin dependent tunneling junctions using high resolution transmission electron microscopy," IEEE Trans. Magn., 35, 2922-4, 1999.

 9.   A. Wallash, J. Hillman, M. Sharma, and S. X. Wang, "Electrostatic discharge testing of tunneling magnetoresistive devices," IEEE Trans. Magn., 36, 2809-11, 2000.

8.   A. T. A. Wee, S. X. Wang, and K. Sin, "In-situ characterization of oxide growth for fabricating spin-dependent tunnel junctions," IEEE Trans. Magn., 35, 2949-31, 1999.

7.   A. T. A. Wee, K. Sin, and S. X. Wang, "Spin-dependent tunneling junctions with Fe₅₅Ni₄₅ electrodes and in-situ resistive measurement of oxide growth," Appl. Phys. Lett., 74, 2528-30, 1999.

6.   M. Sharma, S. X. Wang, and J. H. Nickel, “Inversion of spin-polarization and tunneling magnetoresistance in spin-dependent tunneling junctions”, Phys. Rev. Lett., 82(3), 616-9, 1999.

5.   M. Sharma, S. X. Wang, and J. H. Nickel, “Determination of barrier oxidation states in spin dependent tunneling structures”, J. Appl. Phys., 85(11), 7803-6, 1999.

4.   J-F. Bobo, F. Mancoff, K. Bessho, M. Sharma, K. Sin, D. Guarisco, S.X. Wang, and B. M. Clemens, "Spin dependent tunneling junctions with hard magnetic layer pinning", J. Appl. Phys.,  83, 6685-7, 1998.

3.   S.-Y. Bae and S. X. Wang, "Novel sol-gel processing for polycrystalline and epitaxial thin films of La1-xCaxMnO3 with colossal magnetoresistance", J. Mater. Research, 13(11), 3234-40, 1998.

2.   S-Y. Bae, D. J. Snyder, and S. X. Wang, "Colossal magnetoresistance in sol-gel derived epitaxial thin film of Co-doped La1-xCaxMnOx", J. Electron. Mater., 27, 1-7, 1998.

1.   S-Y. Bae and S. X. Wang, "A novel sol-gel process for depositing epitaxial and polycrystalline La(Ca)MnO3",  Appl. Phys. Lett. , 69,  121-3, 1996.

D. Magnetic Information Storage (inc. high saturation soft materials, spin valves, recording physics, channel, heads and media)

62. N. Sun, S. X. Wang, “Damping criteria of magnetization in ferromagnetic ellipsoids,” IEEE Trans. Magn.,40(1), 253-6, 2004.

61. N. X. Sun and S. X. Wang, “Anisotropy dispersion effects on the high frequency behavior of soft magnetic Fe-Co-N thin films,” J. Appl. Phys., 93, 6468-6470, 2003.

60. G. A. Bertero, D. Wachenschwantz, S. Malhotra, S. Velu, B. Bian, D. Stafford, T. Yamasita, S. X. Wang, “Optimization of granular double-layer perpendicular media,” IEEE Trans. Magn., 38(4), 1627-1631, 2002.

59. N. X. Sun and S. X. Wang, “Soft magnetism of Fe-Co-N thin films with a Permalloy underlayer,” J. Appl. Phys., 92(3), 1477-1482, 2002.

58. J. C. Jury, K. Klaassen, J. van Peppen, S. X. Wang, “Measurements of analysis of the noise sources in GMR heads up to 6 GHz,” IEEE Trans. Magn., 38(5), 3545-3555, 2002.

57. N. X. Sun, S. X. Wang, T. J. Silva, and A. B. Kos, “High-frequency behavior and damping of Fe-Co-N based high saturation soft magnetic films,” IEEE Trans. Magn., 38(1), 146-150, 2002.

56. J. C. Jury, S. Batra, and S. X. Wang, “Designing disk drive interconnects to obtain a desired transmitted write current waveform,” IEEE Trans. Magn., 38(1), 55-60, 2002.

55. J. C. Jury and S. X. Wang, “Extending the bandwidth of magnetic tunnel junction sensors using a buffer amplifier,” IEEE Trans. Magn., 38(1), 295-7, 2002.

54. J. Hong and S. X. Wang, “Microstructures of FeTaN films in the neck region of magnetic recording heads,” IEEE Trans. Magn., 36, 3039-42, 2001.

53. S. X. Wang, K. Yamada, and W. E. Bailey, "Specularity in GMR spin valves and real-time electrical and magnetotransport measurements," IEEE Trans. Magn., 36, 2841-6, 2000.

40. N. X. Sun and S. X. Wang, "Soft high saturation magnetization (Fe_.7Co_.3)_1-xN_x thin films for inductive write heads," IEEE Trans. Magn., 36, 2506-8, 2000.

39. W. E. Bailey, S. X. Wang, and E. Y. Tsymbal, "Electronic scattering from Co/Cu interfaces: in-situ measurement, and comparison with microstructure, and failure of free-electron models," J. Appl. Phys., 87, 5185-7, 2000.

38. W. E. Bailey, S. X. Wang, and E. Y. Tsymbal, "Electronic scattering from Co/Cu interfaces: in-situ measurement and comparison with theory," Phys. Rev. B, 61(2), 1330-5, 2000.

37. S. X. Wang, K. Sin, J. Hong, and L. Nguyentran, "Magnetic properties, microstructures and corrosion resistance of high saturation FeMoN and FeRhN films for recording heads," IEEE Trans. Magn., 36, 513-520, 2000.

36.  K. Yamada, W. E. Bailey, C. Fery, and S. X. Wang, "In-situ conductance measurement of surface specularity of NiFe, Co, Cu, Ag, and Ta thin films," IEEE Trans. Magn., 35, 2979-81, 1999.

35. J. Hong, A. Furukawa, N. Sun, S. X. Wang, C. A. Grimes, and S. Sahu, "Magnetic properties and high frequency responses of high moment FeTaN/AlN laminates for high data rate magnetic recording," IEEE Trans. Magn., 35, 2502-4, 1999.

34. B. A. Wilson and S. X. Wang, "Trellis codes for transition jitter noise," IEEE Trans. Magn., 35, 2328-30, 1999.

33. W. E. Bailey, C. Fery, K. Yamada, and S. X. Wang, "Direct measurement of surface scattering in GMR spin valves," J. Appl. Phys., 85(10), 7345-8, 1999.

32. E. Jedryka, W. E. Bailey, M. Wojcik, S. Nadolski, and S. X. Wang, "Investigation of ion-beam deposited spin valve interface structure by ⁵⁹Co NMR," J. Appl. Phys., 85(8), 4439-41, 1999.

31. S. X. Wang and J. Hong, “Magnetic and microstructural characterization of FeTaN high saturation materials for recording heads”, IEEE Trans. Magn., 35, 782-7, 1999.

30. J. Hong, S. X. Wang and K. Rook, "Texture and magnetic properties of FeTaN films bias-sputtered on sloping surfaces," IEEE Trans. Magn., 34, 1444-6, 1998.

29. W. E. Bailey, D. Guarisco and S. X. Wang, "Effect of microstructure on resistivity and GMR ratio in ion beam deposited spin valves," IEEE Trans. Magn., 34, 957-9,1998    

28. D. Guarisco and S. X. Wang, "In situ and ex situ observation of spin valves obtained by ion beam deposition",  IEEE Trans. Magn., 33, 3595-7, 1997.

27. B. Wilson, S. X. Wang, and T. Coughlin, "Readback nonlinearity in longitudinal keepered recording," IEEE Trans. Magn., 34, 51-6, 1998.

26. A. Taratorin, D. Cheng, P. Arnett, R. Olson, T. Diola, J. Fitzpatrick, S. X. Wang, and B.         Wilson, "Intra- and inter-pattern nonlinearities in high density magnetic recording," IEEE Trans. Magn., 34, 45-50, 1998.

25. J. Hong, K. Sin, L. Nguyentran, and S. X. Wang, "Soft magnetic properties of FeRhN high moment thin films",  IEEE Trans. Magn., 33, 2845-7, 1997.

24. L. Nguyentran, K. Sin, J. Hong, P. Pizzo, and S. X. Wang, "Corrosion resistance of low coercivity, high moment FeXN (X=Rh, Mo) thin film head materials",  IEEE Trans. Magn., 33, 2848-50, 1997.

23. A. Taratorin, B. Wilson, and S. X. Wang, "The dependence of overwrite on nonlinear transition shift",  IEEE Trans. Magn., 33, 2689-91, 1997.

22. B. Wilson, S. X. Wang, and A. Taratorin, "Linearizing the read process for write nonlinearity measurements", IEEE Trans. Magn., 33, 2692-4, 1997.

21. K. Sin and S. X. Wang, "Domain structures and magnetic properties of FeN films deposited on sloping surfaces",  IEEE Trans. Magn., 33, 2833-5, 1997.

20. S. X. Wang, W. E. Bailey, C. Suergers, "Ion beam deposition and structural characterization of GMR spin valves", IEEE Trans. Magn., 33, 2369-74, 1997.

19. B. Wilson and S. X. Wang, "A generalized method to measure readback nonlinearity using a spin stand", J. Appl. Phys., 81, 4828-30, 1997.

18. K. Sin, C.-T. Wang, S. X. Wang, and B. M. Clemens, "Effects of lamination on soft magnetic properties of FeN films on sloping surfaces", J. Appl. Phys., 81, 4507-9, 1997.

17. A. Taratorin, J. Fitzpatrick, S. X. Wang and B. Wilson, "Nonlinear interactions in a series of transitions", IEEE Trans. Magn.,  33, 956-61, 1997.

16. J. Hong, E. Kay, and S. X. Wang, "Granular magnetic Co metal/polymer thin film systems", IEEE Trans. Magn.,  32, 4475-7, 1996.

15. K. Sin and S. X. Wang, "FeN/AlN multilayer films for high moment thin film recording heads", IEEE Trans. Magn., 32, 3509-11, 1996.

14.W. E. Bailey, N.-C. Zhu, R. Sinclair and S. X. Wang, "Structural comparisons of ion beam and DC magnetron sputter-deposited GMR spin valves by high resolution TEM",  J. Appl. Phys., 79, 6393-5, 1996.

13. K. Sin and S. X. Wang, "Stress control and soft magnetic properties in high moment FeN thin films", J. Appl. Phys., 79, 5901, 1996.

12. W. P. Jayasekara, S. X. Wang, G. Spratt, and M. H. Kryder, "4Gbit/inch2 inductive write heads using high moment FeAlN poles", J. Appl. Phys., 79, 5880-2, 1996.

11. W. E. Bailey, S. X. Wang, and W. C. Cain, "High Ms recording head saturation studies by magnetic force microscopy", IEEE Trans. Magn., 31, 3120-2, 1995.

10. S. X. Wang and P. R. Webb, "Modeling of submicron track inductive write head designs", IEEE Trans. Magn., 31, 2687-9, 1995.

9.   R. E. Jones, Jr., J. Williams, L. Spector, C-J. Lin, S. X. Wang, S. Pichai, and B. M. Clemens, "Magnetic properties of NiFe sputtered on sloping surfaces", IEEE Trans. Magn., 31, 3817-9, 1995.

8.   S. X. Wang, E. Louis, J. Wolfson, R. Anderson, and M. H. Kryder, "A perpendicular contact recording head with high moment laminated FeAlN/NiFe pole tips", IEEE Trans. Magn., 30, 3897-9, 1994.

7.   S. X. Wang, F. Liu, K. Maranowski, and M. H. Kryder, "Fabrication and performance of high moment FeAlN multilayer thin film recording heads", IEEE Trans. Magn., 30, 281-6, 1994.

6.   M. H. Kryder, S. X. Wang and K. Rook, "FeAlN/SiO2 and FeAlN/Al2O3 multilayers for thin film recording heads", J. Appl. Phys., 73, 6212-7, 1993.

5.   D. J. Rogers, S. X. Wang, D. E. Laughlin and M. H. Kryder, "Microstructural investigations of FeN and FeAlN thin films for recording head applications", IEEE Trans. Magn., 28, 2418-20, 1992.

4.   S. X. Wang, K. Obermyer and M. H. Kryder, "Improved high moment FeAlN/SiO2 laminated materials for thin film recording heads", IEEE Trans. Magn., 27, 4879-81, 1991.

3.   S. X. Wang and M. H. Kryder, "High moment nitrogen doped iron film based laminated materials for thin film recording Heads", J. Appl. Phys., 69, 5625-7, 1991.

2.   S. X. Wang and M. H. Kryder, "rf-diode sputtered iron nitride films for thin film recording head materials", J. Appl. Phys., 67, 5134-6, 1990.

1.   S. X. Wang, J. I. Guzman and M. H. Kryder, "High moment soft amorphous CoFeZrRe thin film materials", J. Appl. Phys., 67, 5114-6, 1990.

E. Other Magnetic Materials

4.    D.-W. Shin, S. X. Wang, A. F. Marshall, W. Kimura, C. Dong, A. Augustsson, and J. Guo,  “Growth and structural characterization of copper nanoclusters embedded in SiC matrix,” Thin Solid Films, in press

3.   Y. Li, S. X. Wang, G. Khanna, B. M. Clemens, "Epitaxial growth of aluminum on permalloy," Thin Solid Films, 381, 160-3, 2001.

2.   C. Sürgers, E. Kay, S. X. Wang, "Effect of ion bombardment during growth on the chemical order in FePd films", J. Appl. Phys.  80, 5753-8, 1996.

1.   L. L. Miller, X. L. Wang, S. X. Wang, C. Stassis and D. C. Johnston, "Synthesis, structure and properties of Sr2CuO2Cl2", Phys. Rev. B, 41, 1921-5, 1990.

Papers in Conference Proceedings

      11. S. X. Wang, “Advanced magnetic materials and transducers for information technology and magnetoelectronics,” Proc. Symp. Magnetoelectronics & Superconducting Elec. Eng., p. 54, Beijing, 2002.

      10. Z. Wen, R. Fahrig, N. Sun, S. X. Wang, and N. Pelc, “X-ray tube for use in magnetic fields,” Proc. 2230, International Society of Magnetic Resonance and Medicine, 2002.

      9.   N. X. Sun, A. M. Crawford, and S. X. Wang, "Advanced soft magnetic materials for magnetic recording and integrated inductors", Mat. Res. Soc. Symp. Proc., vol. 721, 249-258, 2002.

      8.   D. Gardner, A. M. Crawford and S. X. Wang,  “High frequency (GHz) and low resistance integrated inductors using magnetic materials,” IITC Proceedings, 2001.

      7.   N. X. Sun, S. X. Wang, C. Y. Hung, C. X. Chien, and H.-C. Tong, "Microstructures and soft magnetic properties of high saturation Fe-Co-N thin films", Mat. Res. Soc. Symp. Proc., vol. 614, F.9.2.1-12, 2000.

      6.   Y. Li, S. X. Wang, F. B. Mancoff, and B. M. Clemens, "Epitaxial growth of atomically flat spin dependent tunneling junctions," Mat. Res. Soc. Symp. Proc., vol. 570, 73-78, 1999.

      5.   C. Fery, W. E. Bailey, K. Yamada, and S. X. Wang, "Study of natural oxidation of ultra-thin Al layers with in-situ resistance measurement," Mat. Res. Soc. Symp. Proc., vol. 569, 185-190, 1999.

      4.   S. X. Wang, J. Hong, and K. Sin, "Microstructures and properties of high saturation soft magnetic materials for advanced recording heads," Mat. Res. Soc. Symp. Proc., vol. 517, 5, 1998. (Abstract)

      3.   M. Sharma, J. H. Nickel, and S. X. Wang, "Spin-dependent tunneling junctions with Ta2O5 barrier," Mat. Res. Soc. Symp. Proc., vol. 517, 103-7, 1998.

      2.   M. H. Kryder, W. P. Jayasekara, and S. X. Wang, "Ultrahigh density magnetic write heads", in the Proceedings of  the  Fourth Symp. on Magnetic Materials, Devices and Processes, Applications to Storage and MEMS, The Electrochemical Society,  pp. 26-9, 1995.

      1.   S. X. Wang, F. Liu, K. Maranowski, J. Bain, and M. H. Kryder, "Material and processing issues in FeAlN high moment thin film heads", in the Proceedings of the  Symp. on Magnetic Materials, Devices and Processes, The Electrochemical Society,  vol. 94-6, pp. 25-35, 1994.

Patents and Patent Applications

1.    B. A. Wilson and S. X. Wang, "Trellis codes for transition jitter noise", US Patent 6,411,224 B1, 2002.

2.   S. X. Wang, R. L. White, C. D. Webb, and G. Li, “Magnetic nanoparticles, magnetic detector arrays, and methods for their use in detecting biological molecules,” US Patent Application 10/829505, filed April 22, 2004. (This supersedes the Provisional Patent Application 60/519,378, filed Nov. 12, 2003.)

3.    J. T. Kemp, S. X. Wang, C. D. Webb, and R. L.White, “DNA profiling and SNP detection utilizing microarrays.” US Patent Application, filed on May 10, 2005. (This supersedes the Provisional Patent Application 60/570,952, filed May 12, 2004.)

4.   S. X. Wang and S.-J. Han, “Magnetic sensor array having an analog frequency-division multiplexed output.” US Patent Application 11/128105, filed May 11, 2005. (This supersedes the Provisional Patent Application 60/570,672, filed May 14, 2004.)

5.   S. Sun, H. Yu and S. X. Wang, “Dumbbell-like nanoparticles and a process of forming the same,” US Patent Application, filed August, 2004.

6.   N. Pourmand, S. X. Wang, and R. W. Davis, “Microarray-based DNA fingerprinting using branch migration assay.” US Provisional Patent Application 60/612.000, filed on Sept. 21, 2004.

7.   S. J. Osterfeld and S. X. Wang, “Wafer process compatible fabrication method for precisely aligned and environmentally sealed microfluidic channels on biochips and sensor arrays,” US Provisional Patent Applications 60/635,126, filed on Dec.10, 2004.

8.   A. Crawford, H. Braunisch, R. Nair, G. J. Vandentop, and S. X. Wang, “Integrated inductor structure and method of fabrication,” US Patent Application No. 10/975,552, filed on Oct. 27, 2004.

Special Reports and Manuscripts

1.    T. M. Coughlin, R. F. Hoyt, J. M. Daughton, P. Frank, R. B. Goldfarb, G. Hughes,F. Moore, R. Rottmayer, M. Johnson, S. X. Wang, J. Handy, S. Naberhuis, R. G. Zech, S. Adamson, “Mass Data Storage,” NEMI Technology Roadmaps, 2004 (in preparation).

2.    T. M. Coughlin, R. F. Hoyt, J. M. Daughton, R. Elder, P. Frank, R. B. Goldfarb, G. Hughes, M. Johnson, F. Moore, R. Rottmayer, and S. X. Wang, “Mass Data Storage,” NEMI Technology Roadmaps, 2002.

Invited Presentations in Major Conferences and Workshops

      33. S. X. Wang, “Functionalization and characterization of magnetic biochips for sensitive DNA detection,” Pacific Polymer Federation IX Conference, Maui, Hawaii, Dec. 10-14, 2005.

      32. S. X. Wang, “MagArray: a magnetic biochip for rapid diagnosis of infectious disease”, The Genomic Revolution: 3^rd Annual National Academies Keck Futures Initiative Conference, Irvine, CA, Nov. 10-13, 2005,.

      31. S. X. Wang, “Magnetic magic in nanotechnology and biosensing,” T. D. Lee Lectures, Chinese Academy of Sciences Graduate School, Beijing, China, June 30, 2005.

      30. S. X. Wang, Liangliang Li, and Dok Won Lee, “Low resistance and high quality factor magnetic inductors: materials and design issues,” International Workshop on High Frequency Micromagnetic Devices and Materials, Sendai, Japan, 2005.

      29. S. X. Wang, “Magnetic microarray for ultrasensitive molecular diagnostics,” MRS Fall Meeting, Boston, 2004.

      28. S. Sun, H. Zeng, H. Yu, D. Robinson, G. Li, R. White and S. X. Wang, “Synthesis and surface modification of monodisperse magnetic nanoparticles for biological applications,” American Vacuum Society 51^st International Symposium, Session MI-TuA, Anaheim, 2004. (SXW delivered the invited talk.)

      27. S. X. Wang, “Challenges in nano-biomagnetic sensors,” MRSEC Symposium on Emerging Challenges on Nanomagnetics, University of Nebraska, Lincoln, Nebraska, Sept. 24, 2004.

      26. S. X. Wang, “MagArray^TM: Magnetic DNA Microarray”, Diskcon 2003, San Jose, 2003.

      25. N. X. Sun and S. X. Wang, “Damping criterion of magnetization in ferromagnetic ellipsoids,” IEEE Magnetic Recording Conference, 2003. (SXW delivered the invited talk.)

      24. S. X. Wang, et al., “Design and Fabrication of Bio-magnetic Sensors and Magnetic Nanobead Labels for DNA Detection and Identification,” paper EC-01, International Conference on Magnetics (Intermag), Boston, 2003.

      23. S. X. Wang, “Advanced magnetic materials and transducers”, American Physical Society March Meeting, Austin, Texas, 2003.

      22. S. X. Wang, “Advanced magnetic materials and transducers: enabling information explosion and magnetic nanotechnology,” Frontiers in Magnetism Research, Advanced Light Source Workshop, Berkeley, 2002.

      21. S. Sun, S. X. Wang, G. Li, R. L. White, J. Kemp, “Magnetic nanoparticles for DNA labeling”, The 47^th Annual Conference on Magnetism and Magnetic Materials (MMM), Tampa, 2002.

      20. S. X. Wang, “Advanced magnetic materials and transducers for information technology and magnetoelectronics,” Symp. Magnetoelectronics & Superconducting Elec. Eng., Beijing, 2002.

      19. S. X. Wang, “Advanced magnetic materials and transducers: enabling factors of data storage explosion and magnetic nanotechnology,” IEEE Distinguished Lecture, 2001-2002.

      18. S. X. Wang, “High saturation Fe-Co-N films for GHz integrated inductors and magnetic recording heads,” International Workshop on High Frequency Micromagnetic Devices and Materials, Delft, The Netherlands, 2002.

      17. S. X. Wang, N. X. Sun, and Ankur M. Crawford, “Advanced magnetic materials for GHz magnetic recording heads and integrated inductors,” MRS Spring Meeting, San Francisco, 2002.

      16. S. X. Wang and N. X. Sun, “High saturation soft magnetic Fe-Co-N films for write heads,” International Symposium on Physics of Magnetic Materials, 2001.

      15. S. X. Wang, N. X. Sun, T. J. Silva, A. Kos, “Soft magnetic properties and high frequency behavior of Fe-Co-N high saturation materials,” IEEE Magnetic Recording Conference, 2001.

      14. S. X. Wang, K. Yamada, and W. E. Bailey, "Specularity in GMR spin valves and real-time electrical and magnetotransport measurements," paper GB-01, International Conference on Magnetics (Intermag), Toronto, 2000.

      13. N. X. Sun and S. X. Wang, "Microstructures and soft magnetic properties of high saturation Fe-Co-N thin films", MRS Spring Meeting, 2000.

      12. S. X. Wang, "Advanced materials for extremely high density recording heads," The 15^th IIST Workshop on Information Storage, Lake Arrowhead, 1999.

      11. S. X. Wang, “Inversion of spin polarization and tunneling magnetoresistance”, NSF-MRSEC Workshop on Magnetic Heterostructures, 1998.

      10. S. X. Wang and J. Hong, "Magnetic and microstructural characterization of FeTaN high saturation materials," IEEE Magnetic Recording Conference, 1998.

      9.   S. X. Wang, J. Hong, and K. Sin, "Microstructures and properties of high saturation soft magnetic materials for advanced recording heads", MRS Spring Meeting, 1998.

      8.   B. Wilson, S. X. Wang, and T. Coughlin, "Read-back nonlinearity in longitudinal  keepered recording", IEEE Magnetic Recording Conference, 1997.

      7.   A. Taratorin, J. Fitzpatrick, S. X. Wang and B. Wilson, "Nonlinear group transition and their relation to medium magnetization and error rates in high-density magetic recording", paper E-2, IEEE Magnetic Recording Conference, 1996.

      6.   S. X. Wang, W. E. Bailey, C. Suergers, "Ion beam deposition and structural characterization of GMR spin valves", paper AA-05, International Conference on Magnetics (Intermag), Seattle, 1996.

      5.   S. X. Wang and S.-Y. Bae, "Epitaxial growth of magnetic ceramic materials by sol-gel method", Pacific Regional Meeting of American Ceramics Society, Seattle, 1995.

      4.   S. X. Wang and S.-Y. Bae, "Sol-gel deposited perovskite manganites for colossal magnetoresistance",Workshop on Colossal Magnetoresistance, Los Alamos, 1995.

      3.   S. X. Wang, F. Liu, K. Maranowski, and M. H. Kryder, "Fabrication and performance of high moment FeAlN multilayer thin film recording heads", invited paper, IEEE Magnetic Recording  Conference, 1993.

      2.   S. X. Wang, "FeAlN multilayers for thin film recording heads", Symposium on Production Processes for  the  Gb/in2  World,  San Jose, CA, 1993.

      1.   M. H. Kryder, S. X. Wang and K. Rook, "FeAlN/SiO2 and FeAlN/Al2O3 multilayers for thin film recording heads",  The International Conference on Magnetism and Magnetic Materials  (MMM ), Houston, 1992