Bethanie Stadler

Professor Bethanie Stadler

Bethanie Stadler

Professor, Department of Electrical and Computer Engineering


Kenneth H. Keller Hall
Room 6-159
200 Union Street Se
Minneapolis, MN 55455


Center for Micromagnetics and Information Technologies (MINT); Advanced Technologies for the Preservation of Biological Systems (ATP-Bio)
Masonic Cancer Center; Institute for Engineering in Medicine (IEM)
Graduate faculty – Dept. of Chemical Engineering and Materials Science, and Dept. of Mechanical Engineering

Ph.D., MSE, 1994, Massachusetts Institute of Technology, Cambridge, MA, United States
B.S., MSE, 1990, Case Western Reserve University, Cleveland, OH, United States

Professional Background

Magnetic nanowire arrays for high density RAM, nanowire RFID tags for cells, and integrated photonics

Research Interests

Stadler Research Group Site

My research focuses primarily on the integration of magnetic and optical materials with standard platforms to allow the development of practical devices and systems.  In photonics, this includes the integration of magnets, magneto-optical garnets waveguides, and nanostructures for magnetophotonic crystals with semiconductor platforms for isolator and sensor applications.  In magnetics, Stadler is working on magnetic nanowires for magnetoelectronics (including hard drive heads) and acoustic sensor applications.

Teaching Subjects
EE5163 Semiconductor Properties and Devices I
EE5657 Principles of Thin Film Technology
EE5181 Introduction to Nanotechnology
EE5940 Materials and Devices at the Nano and Microscale
EE8940 Advanced Topics in Electrical and Computer Engineering - Materials and Circuits for Future Nonvolatile Memory
Honors and Awards

2021 College of Science and Engineering Distinguished Professor Award
2018 MRS Fellow for distinguished service to materials research and for pioneering work in magneto-photonics integration and magnetic nanowire devices that enable far-reaching applications of fundamental science to improve the quality of life
2017 George W. Taylor Award for Distinguished Service for services to the magnetics and materials research communities
2015 IEEE Distinguished Lecturer
2008-2010 Elected Secretary of MRS
2006-2009 University of Minnesota McKnight Presidential Fellow
2004 Elected to MRS Board of Directors
2002 National Science foundation (NSF) CAREER Award

Selected Publications


  1. Zhang, Yali, Joseph Um, Bethanie Stadler, Rashaunda Henderson, and Rhonda Franklin. "Study of Nanowire-based Integrated Via Technology for CMOS Application in Millimeter-Wave Frequencies." IEEE Microwave and Wireless Components Letters (2021).
  2. Kouhpanji MR, Stadler B. Exploring Effects of Magnetic Nanowire Arrangements and Imperfections on First-Order Reversal Curve Diagrams. IEEE Transactions on Magnetics. 2021 May 17.
  3. Zamani Kouhpanji, M.R., Nemati, Z., Mahmoodi, M.M., Um, J., Modiano, J., Franklin, R. and Stadler, B., 2021. Selective Detection of Cancer Cells Using Magnetic Nanowires. ACS Applied Materials & Interfaces.
  4. Um, J., Zhang, Y., Zhou, W., Zamani Kouhpanji, M.R., Radu, C., Franklin, R.R. and Stadler, B.J., 2021. Magnetic Nanowire Biolabels Using Ferromagnetic Resonance Identification. ACS Applied Nano Materials4(4), pp.3557-3564.
  5. Otto, L.M., Gaulding, E.A., Chen, C.T., Kuykendall, T.R., Hammack, A.T., Toma, F.M., Ogletree, D.F., Aloni, S., Stadler, B.J. and Schwartzberg, A.M., 2021. Methods for tuning plasmonic and photonic optical resonances in high surface area porous electrodes. Scientific reports11(1), pp.1-9.
  6. MRZ Kouhpanji and BJH Stadler, “Unlocking the decoding of unknown magnetic nanobarcode signatures” Nanoscale Advances 3, 584-592 (2021). 10.1039/D0NA00924E 
  7. Tao Qu, Aneesh Venugopal, James M. Etheridge, William K. Peria, Karthik Srinivasan, Bethanie JH Stadler, Paul A. Crowell, and R. H. Victora, “Nonlinear Magnon Scattering Mechanism for Microwave Pumping in Magnetic Films” IEEE Access 8 216960-216968. (2020).  10.1109/ACCESS.2020.3040711
  8. Zamani Kouhpanji, Mohammad Reza, and Bethanie Stadler. "Magnetic Nanowires toward Authentication." Particle & Particle Systems Characterization 38, no. 2 (2021): 2000227.  10.1002/ppsc.202000227
  9. MR Zamani Kouhpanji and BJH Stadler, “Magnetic nanowires for quantitative detection of biopolymers,” AIP Advances 10 (12) 125231 (2020)  10.1063/9.0000023
  10. Yali Zhang, Joseph Um, BJH Stadler, Rhonda Franklin, “Permeability and Ferromagnetic Resonance Study for Magnetic Nanowires Substrate,” IEEE Microwave and Wireless Components Letters 30 (11) 1065-1068 (2020). 10.1109/LMWC.2020.3025490 
  11. MRZ Kouhpanji, A Ghoreyshi, PB Visscher, BJH Stadler, “Facile decoding of quantitative signatures from magnetic nanowire arraysScientific Reports 10 (1), 1-99 (2020). 10.1038/s41598-020-72094-4
  12. Zohreh Nemati, Mohammad Reza Zamani Kouhpanji, Fang Zhou, Raja Das, Kelly Makielski, Joseph Um, Manh-Huong Phan, Alicia Muela, Ma Luisa Fdez-Gubieda, Rhonda R Franklin, Bethanie JH Stadler, Jaime F Modiano, Javier Alonso. “Isolation of Cancer-Derived Exosomes Using a Variety of Magnetic Nanostructures: From Fe3O4 Nanoparticles to Ni Nanowires”  Nanomaterials 10 (9), 1662  (2020).  10.3390/nano10091662
  13. Kouhpanji, Mohammad Reza Zamani, and Bethanie JH Stadler. "Beyond the qualitative description of complex magnetic nanoparticle arrays using FORC measurement." Nano Express 1 p.010017 (2020).  10.1088/2632-959X/ab844d
  14. Zamani Kouhpanji, Mohammad Reza, Joseph Um, and Bethanie JH Stadler. "Demultiplexing of Magnetic Nanowires with Overlapping Signatures for Tagged Biological Species." ACS Applied Nano Materials 3, no. 3 (2020): 3080-3087.10.1021/acsanm.0c00593.
  15. Srinivasan, Karthik, Cosmin Radu, Dario Bilardello, Peter Solheid, and Bethanie JH Stadler. "Interfacial and Bulk Magnetic Properties of Stoichiometric Cerium Doped Terbium Iron Garnet Polycrystalline Thin Films." Advanced Functional Materials 30 (15) 2000409 (2020). 10.1002/adfm.202000409
  16. Um, Joseph, Mohammad Reza Zamani Kouhpanji, Samuel Liu, Zohreh Nemati Porshokouh, Sang-Yeob Sung, Jürgen Kosel, and Bethanie Stadler. "Fabrication of Long-Range Ordered Aluminum Oxide and Fe/Au Multilayered Nanowires for 3-D Magnetic Memory." IEEE Transactions on Magnetics 56, no. 2 (2020): 1-6.  10.1109/TMAG.2019.2942946
  17. Kouhpanji, Mohammad Reza Zamani, and Bethanie JH Stadler. "A Guideline for Effectively Synthesizing and Characterizing Magnetic Nanoparticles for Advancing Nanobiotechnology: A Review." Sensors 20, no. 9 (2020): 2554. 10.3390/s20092554
  18. Kouhpanji, Mohammad Reza Zamani, and Bethanie JH Stadler. "Projection method as a probe for multiplexing/demultiplexing of magnetically enriched biological tissues." RSC Advances 10, no. 22 (2020): 13286-13292. 10.1039/D0RA01574A
  19. Alexander P Safronov, Bethanie JH Stadler, Joseph Um, Mohammad Reza Zamani Kouhpanji, Javier Alonso Masa, Andrey G Galyas, Galina V Kurlyandskaya, “Polyacrylamide ferrogels with Ni nanowires”  Materials 12 (16), 2582 (2019). 10.3390/ma12162582
  20. E Güneri, B Stadler, “Effect of growth temperature on the key properties of aluminum-doped zinc oxide thin films prepared by atomic layer deposition” MRS Communications 9 (3), 1105-1110 (2019).  10.1557/mrc.2019.82
  21. Srinivasan, Karthik, Cui Zhang, Prabesh Dulal, Cosmin Radu, Thomas E. Gage, David C. Hutchings, and Bethanie JH Stadler. "High-Gyrotropy Seedlayer-Free Ce: TbIG for Monolithic Laser-Matched SOI Optical Isolators." ACS Photonics 6, no. 10 (2019): 2455-2461.  10.1021/acsphotonics.9b00707
  22. Daniel Shore, Adrian Ghemes, Oana Dragos, Zhe Gao, Qi Shao, Joseph Um, Anirudh Sharma, Ibro Tabakovic, John Bischof, and Bethanie JH Stadler, “Nanowarming using Au-Tipped Co35Fe65 Ferromagnetic Nanowires.” Nanoscale 11, 14607-14615 (2019). 10.1039/C9NR01182J
  23. Matthew Hein, Jungjin Park, Joseph Cozzo, Alison Flatau, Bethanie J. H. Stadler, “Electrodeposited Fe-Ga Alloy Films for Directly Coupled Noncontact Torque Sensing,” IEEE Sensors Journal 19 16] 6655-6661 (2019). 10.1109/JSEN.2019.2906062
  24. Zhou, Wen, Joseph Um, Yali Zhang, Alexander Nelson, Zohreh Nemati, Jaime Modiano, Bethanie Stadler, and Rhonda Franklin. "Development of a Biolabeling System Using Ferromagnetic Nanowires." IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology vol. 3, no. 2, pp. 134-142, (2019).
  25. Karthik Srinivasan, Bethanie Stadler, “Magneto-optical materials and designs for integrated TE- and TM-mode planar waveguide isolators: a review (Invited)” Optical Materials Express 8 [11] 3307-3319 (2018). 10.1364/OME.8.003307
  26. Daniel E. Shore, Thamotharampillai Dileepan, Jaime F. Modiano, Marc K. Jenkins, & Bethanie J. H. Stadler, “Enrichment and Quantification of Epitope-specific CD4+ T Lymphocytes using Ferromagnetic Iron-gold and Nickel Nanowires.” Nature Scientific Reports 8 (2018).
  27. Stadler, B.J. and Hutchings, D.C. “Sputter-deposited magneto-optical garnet for all-mode (transverse electric/transverse magnetic) Faraday rotators (invited).” MRS Bulletin43(6), pp.430-435 (2018). doi:10.1557/mrs.2018.121
  28. Stadler, B., Reddy, M., Basantkumar, R., McGary, P., Estrine, E., Huang, X., Sung, S., Tan, L., Zou, J., Maqableh, M. and Shore, D. “Galfenol Thin Films and Nanowires (Invited)” Sensors18(8) 2643 (2108). doi: 10.3390/s18082643
  29. Sharma, Anirudh, Michael D. DiVito, Daniel E. Shore, Andrew D. Block, Katie Pollock, Peter Solheid, Joshua M. Feinberg et al. "Alignment of collagen matrices using magnetic nanowires and magnetic barcode readout using first order reversal curves (FORC)." Journal of Magnetism and Magnetic Materials 459 (2018): 176-181. 10.1016/j.jmmm.2017.11.035
  30. Lei Bi, Reza Khorasaninejad, Bruce Wessels, Bethanie Stadler, and Volker J. Sorger, "Planar Oxide Photonic Materials and Devices: feature issue introduction," Opt. Mater. Express 8, 3250-3253 (2018)   10.1364/OME.8.003250