Scholars@Duke

• Background
• 

  Education, Training, & Certifications

  • Ph.D., Technical University of Munich School of Medicine 2012
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  Duke Appointment History

  • Adjunct Assistant Professor in the Department of Psychiatry & Behavioral Sciences, Psychiatry & Behavioral Sciences, Brain Stimulation and Neurophysiology, Psychiatry & Behavioral Sciences 2014 - 2015
• Recognition
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  In the News

  • AUG 23, 2017

    Energy Initiative-Supported Project Connects Brain Science with Electric Cars
• Research
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  Selected Grants

  • Transcranial magnetic stimulation with enhanced focality and depth (fdTMS) awarded by National Institutes of Health 2017 - 2021
  • Quiet TMS: A Low-Acoustic-Noise Transcranial Magnetic Stimulation System awarded by National Institutes of Health 2016 - 2020
  • Innovating the Transcranial Magnetic Stimulation Market: Modular Pulse Synthesizer for Flexible Stimulus Delivery awarded by Magstim Co. Ltd 2016 - 2019
  • Innovating the Transcranial Magnetic Stimulation Market: Modular Pulse Synthesizer for Flexible Stimulus Delivery awarded by North Carolina Biotechnology Center 2016 - 2019
  • Rational Design of TMS for Neuromodulation awarded by National Institutes of Health 2014 - 2019
  • Biomimetic somatosensory feedback through intracortical microstimulation awarded by Northwestern University 2016 - 2019
  • Collaborative Research:Modular Multilevel Converter With Parallel Connectivity-Novel Topology, Control, and Applications awarded by  National Science Foundation 2016 - 2019
• Publications & Artistic Works
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  Selected Publications

  • Academic Articles

    • Gomez, LJ, Goetz, SM, and Peterchev, AV. "Design of transcranial magnetic stimulation coils with optimal trade-off between depth, focality, and energy." Journal of Neural Engineering 15, no. 4 (August 2018): 046033-null.  Full Text
    • Goetz, SM, Li, Z, and Peterchev, AV. "Noninvasive Detection of Motor-Evoked Potentials in Response to Brain Stimulation Below the Noise Floor-How Weak Can a Stimulus Be and Still Stimulate." Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference 2018 (July 2018): 2687-2690.  Full Text
    • Tharayil, JJ, Goetz, SM, Bernabei, JM, and Peterchev, AV. "Field Distribution of Transcranial Static Magnetic Stimulation in Realistic Human Head Model." Neuromodulation : Journal of the International Neuromodulation Society 21, no. 4 (June 2018): 340-347.  Full Text
    • Li, Z, Lizana, R, Lukic, SM, Peterchev, AV, and Goetz, SM. "Current Injection Methods for Ripple-Current Suppression in Delta-Configured Split-Battery Energy Storage." Ieee Transactions on Power Electronics (2018): 1-1.  Full Text
    • Li, Z, Lizana, R, Sha, S, Yu, Z, Peterchev, AV, and Goetz, S. "Module Implementation and Modulation Strategy for Sensorless Balancing in Modular Multilevel Converters." Ieee Transactions on Power Electronics (2018): 1-1.  Full Text
    • Lizana, R, Rivera, S, Li, Z, Luo, J, Peterchev, AV, and Goetz, S. "Modular Multilevel Series/Parallel Converter with Switched-Inductor Energy Transfer Between Modules." Ieee Transactions on Power Electronics (2018): 1-1.  Full Text
    • Thostenson, JO, Li, Z, Kim, CHJ, Ajnsztajn, A, Parker, CB, Liu, J, Peterchev, AV, Glass, JT, and Goetz, SM. "Integrated Flexible Conversion Circuit between a Flexible Photovoltaic and Supercapacitors for Powering Wearable Sensors." Journal of the Electrochemical Society 165, no. 8 (2018): B3122-B3129.  Full Text
    • Goetz, SM, Li, Z, Liang, X, Zhang, C, Lukic, SM, and Peterchev, AV. "Control of Modular Multilevel Converter With Parallel Connectivity—Application to Battery Systems." Ieee Transactions on Power Electronics 32, no. 11 (November 2017): 8381-8392.  Full Text
    • Goetz, SM, and Deng, Z-D. "The development and modelling of devices and paradigms for transcranial magnetic stimulation." International review of psychiatry (Abingdon, England) 29, no. 2 (April 26, 2017): 115-145. (Review)  Full Text
    • D'Ostilio, K, Goetz, SM, Hannah, R, Ciocca, M, Chieffo, R, Chen, J-CA, Peterchev, AV, and Rothwell, JC. "Effect of coil orientation on strength-duration time constant and I-wave activation with controllable pulse parameter transcranial magnetic stimulation." Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 127, no. 1 (January 2016): 675-683.  Full Text
    • Goetz, SM, Luber, B, Lisanby, SH, Murphy, DLK, Kozyrkov, IC, Grill, WM, and Peterchev, AV. "Enhancement of Neuromodulation with Novel Pulse Shapes Generated by Controllable Pulse Parameter Transcranial Magnetic Stimulation." Brain stimulation 9, no. 1 (January 2016): 39-47.  Full Text
    • Helling, F, Gotz, S, Singer, A, and Weyh, T. "Fast Modular Multilevel series/Parallel Converter for direct-drive gas turbines." 2015 Ieee Nw Russia Young Researchers in Electrical and Electronic Engineering Conference (Eiconrusnw) (February 2015).  Full Text
    • Goetz, SM, Lisanby, SH, Murphy, DLK, Price, RJ, O'Grady, G, and Peterchev, AV. "Impulse noise of transcranial magnetic stimulation: measurement, safety, and auditory neuromodulation." Brain stimulation 8, no. 1 (January 2015): 161-163. (Letter)  Full Text
    • Goetz, SM, Peterchev, AV, and Weyh, T. "Modular Multilevel Converter With Series and Parallel Module Connectivity: Topology and Control." Ieee Transactions on Power Electronics 30, no. 1 (January 2015): 203-215.  Full Text
    • Helling, F, Gotz, S, and Weyh, T. "A battery modular multilevel management system (BM3) for electric vehicles and stationary energy storage systems." 2014 16th European Conference on Power Electronics and Applications (August 2014).  Full Text
    • Goetz, SM, Luber, B, Lisanby, SH, and Peterchev, AV. "A novel model incorporating two variability sources for describing motor evoked potentials." Brain stimulation 7, no. 4 (July 2014): 541-552.  Full Text
    • "Coil Design for Neuromuscular Magnetic Stimulation Based on a Detailed 3-D Thigh Model." Ieee Transactions on Magnetics 50, no. 6 (June 2014): 1-10.  Full Text
    • Helling, F, Singer, A, Gotz, S, and Weyh, T. "Optimization of Hydrogen Gas Turbine Power Supply by means of a novel Modular Multilevel Parallel Converter (M2PC)." 2014 5th International Renewable Energy Congress (Irec) (March 2014).  Full Text
    • "A novel model incorporating two variability sources for describing motor evoked potentials." Brain Stimulation 7, no. 4 (January 1, 2014): 541-552.  Full Text
    • "Modular Multilevel Parallel Converter (M2PC) for electrically driven vehicles." Pcim Europe Conference Proceedings (January 1, 2014): 393-400.
    • Goetz, SM, Murphy, DLK, and Peterchev, AV. "Transcranial Magnetic Stimulation Device With Reduced Acoustic Noise." Ieee Magnetics Letters 5 (2014): 1-4.  Full Text
    • Goetz, SM, Herzog, H-G, and Weyh, T. "A realistic model for approaching the activation question of neuromuscular magnetic stimulation." 2013 6th International Ieee/Embs Conference on Neural Engineering (Ner) (November 2013).  Full Text
    • Peterchev, AV, Goetz, SM, Westin, GG, Luber, B, and Lisanby, SH. "Pulse width dependence of motor threshold and input-output curve characterized with controllable pulse parameter transcranial magnetic stimulation." Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology 124, no. 7 (July 2013): 1364-1372.  Full Text
    • Dahmani, C, Mykhaylyk, O, Helling, F, Götz, S, Weyh, T, Herzog, H-G, and Plank, C. "Rotational magnetic pulses enhance the magnetofection efficiency in vitro in adherent and suspension cells." Journal of Magnetism and Magnetic Materials 332 (April 2013): 163-171.  Full Text
    • Goetz, SM, Singer, M, Huber, J, Pfaeffl, M, Marquardt, R, and Weyh, T. "Magnetic Stimulation with Arbitrary Waveform Shapes." (2013): 2244-2247.  Full Text
    • Goetz, SM, Truong, CN, Gerhofer, MG, Peterchev, AV, Herzog, H-G, and Weyh, T. "Analysis and optimization of pulse dynamics for magnetic stimulation." Plos One 8, no. 3 (January 2013): e55771-null.  Full Text
    • Peterchev, AV, Goetz, SM, Westin, GG, Luber, B, and Lisanby, SH. "Pulse width dependence of motor threshold and input-output curve characterized with controllable pulse parameter transcranial magnetic stimulation." Clinical Neurophysiology 124, no. 7 (2013): 1364-1372.  Full Text
    • Emrich, D, Fischer, A, Altenhöfer, C, Weyh, T, Helling, F, Goetz, S, Brielmeier, M, and Matiasek, K. "Muscle force development after low-frequency magnetic burst stimulation in dogs." Muscle & nerve 46, no. 6 (December 2012): 954-956.  Full Text
    • Goetz, SM, Truong, NC, Gerhofer, MG, Peterchev, AV, Herzog, HG, and Weyh, T. "Optimization of magnetic neurostimulation waveforms for minimum power loss." Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference (December 1, 2012): 4652-4655.
    • Goetz, SM, and Peterchev, AV. "A model of variability in brain stimulation evoked responses." Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference (December 1, 2012): 6434-6437.
    • Goetz, SM, Pfaeffl, M, Huber, J, Singer, M, Marquardt, R, and Weyh, T. "Circuit topology and control principle for a first magnetic stimulator with fully controllable waveform." Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference 2012 (January 2012): 4700-4703.  Full Text
    • Goetz, SM, Pfaeffl, M, Huber, J, Singer, M, Marquardt, R, and Weyh, T. "Circuit topology and control principle for a first magnetic stimulator with fully controllable waveform." Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference (2012): 4700-4703.  Full Text
    • Goetz, SM, Truong, NC, Gerhofer, MG, Peterchev, AV, Herzog, H-G, and Weyh, T. "Optimization of magnetic neurostimulation waveforms for minimum power loss." Conf Proc IEEE Eng Med Biol Soc 2012 (2012): 4652-4655.  Full Text  Link to Item
    • Goetz, SM, and Peterchev, AV. "A model of variability in brain stimulation evoked responses." Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference 2012 (January 2012): 6434-6437.  Full Text
    • Goetz, SM, Herzog, H-G, Gattinger, N, and Gleich, B. "Comparison of coil designs for peripheral magnetic muscle stimulation." Journal of neural engineering 8, no. 5 (October 2011): 056007-.  Full Text
    • Goetz, SM, Dahmani, C, Rudolph, C, and Weyh, T. "First theoretic analysis of magnetic drug targeting in the lung." IEEE transactions on bio-medical engineering 57, no. 9 (September 2010): 2115-2121.  Full Text
    • Szecsi, J, Götz, S, Pöllmann, W, and Straube, A. "Force-pain relationship in functional magnetic and electrical stimulation of subjects with paresis and preserved sensation." Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 121, no. 9 (September 2010): 1589-1597.  Full Text
    • Scarpa, G, Idzko, A-L, Götz, S, and Thalhammer, S. "Biocompatibility studies of functionalized regioregular poly(3-hexylthiophene) layers for sensing applications." Macromolecular bioscience 10, no. 4 (April 2010): 378-383.  Full Text
    • Goetz, SM, Helling, F, Emrich, D, Weyh, T, and Herzog, HG. "Fasciated nerve-muscle explants for in vitro comparison of magnetic and electrical neuromuscular stimulation." Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference 2010 (January 2010): 4862-4865.  Full Text
    • Goetz, SM, Helling, F, Emrich, D, Weyh, T, and Herzog, HG. "Fasciated nerve-muscle explants for in vitro comparison of magnetic and electrical neuromuscular stimulation." Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference (2010): 4862-4865.  Full Text
    • "Peripheral inductive stimulation: Physical issues and advanced technological solutions." Ifmbe Proceedings 25, no. 9 (December 1, 2009): 72-75.  Full Text
    • Goetz, SM, Weyh, T, and Herzog, H-G. "Analysis of a novel magnetic stimulation system: Magnetic harmonic multi-cycle stimulation (MHMS)." 2009 International Conference on Biomedical and Pharmaceutical Engineering (December 2009).  Full Text
    • "Temporal analysis of magnetic nerve stimulation-towards enhanced systems via virtualisation." World Academy of Science, Engineering and Technology 58 (October 1, 2009): 84-87.
    • Scarpa, G, Idzko, A-L, Gotz, S, Neumaier, T, and Thalhammer, S. "Biocompatibility studies of solution-processable organic thin-film transistors for sensing applications." 2009 Ieee 3rd International Conference on Nano/Molecular Medicine and Engineering (October 2009).  Full Text
    • Goetz, SM, Erlen, CM, Grothe, H, Wolf, B, Lugli, P, and Scarpa, G. "Organic field-effect transistors for biosensing applications." Organic Electronics 10, no. 4 (July 2009): 573-580.  Full Text
    • Dahmani, C, Götz, S, Weyh, T, Renner, R, Rosenecker, M, and Rudolph, C. "Respiration triggered magnetic drug targeting in the lungs." Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference 2009 (January 2009): 5440-5443.  Full Text
    • Dahmani, C, Götz, S, Weyh, T, Renner, R, Rosenecker, M, and Rudolph, C. "Respiration triggered magnetic drug targeting in the lungs." Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference (2009): 5440-5443.  Full Text
    • Dahmani, C, Götz, S, Weyh, T, Renner, R, Rosenecker, M, and Rudolph, C. "Breath Synchronous Magnetic Drug Targeting in the Lungs." (2009): 2322-2325.  Full Text

  • Book Sections

    • Peterchev, AV, Deng, Z-D, and Goetz, SM. "Advances in Transcranial Magnetic Stimulation Technology(Published online)." In Brain Stimulation, 165-189.: John Wiley & Sons, Inc,.  Full Text

  • Conference Papers

    • Kacetl, J, Kacetl, T, Korte, C, Specht, E, Jaensch, M, and Goetz, S. "Increase of the allowable switching rate of wide-bandgap semiconductors through spectral control in a 12 V to 48 V gallium-nitride DC/DC converter." 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS). December 12, 2017 - December 15, 2017.: IEEE, December 2017.  Full Text
    • Korte, C, Specht, E, Hiller, M, and Goetz, S. "Efficiency evaluation of MMSPC/CHB topologies for automotive applications." 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS). December 12, 2017 - December 15, 2017.: IEEE, December 2017.  Full Text
    • Specht, E, Korte, C, Hiller, M, and Goetz, S. "Spectral synthesis of switching distortion in multilevel converters." 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS). December 12, 2017 - December 15, 2017.: IEEE, December 2017.  Full Text
    • Li, Z, Lizana, R, Peterchev, AV, and Goetz, SM. "Predictive control of modular multilevel series/parallel converter for battery systems." 2017 IEEE Energy Conversion Congress and Exposition (ECCE). October 1, 2017 - October 5, 2017.: IEEE, October 2017.  Full Text
    • Li, Z, Lizana, R, Peterchev, AV, and Goetz, SM. "Distributed balancing control for modular multilevel series/parallel converter with capability of sensorless operation." 2017 IEEE Energy Conversion Congress and Exposition (ECCE). October 1, 2017 - October 5, 2017.: IEEE, October 2017.  Full Text
    • Li, Z, Lizana, R, Peterchev, AV, and Goetz, SM. "Ripple current suppression methods for star-configured modular multilevel converters." IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society. October 29, 2017 - November 1, 2017.: IEEE, October 2017.  Full Text
    • Wang, C, Lizana, FR, Li, Z, Peterchev, AV, and Goetz, SM. "Submodule short-circuit fault diagnosis based on wavelet transform and support vector machines for modular multilevel converter with series and parallel connectivity." IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society. October 29, 2017 - November 1, 2017.: IEEE, October 2017.  Full Text
    • Korte, C, and Goetz, S. "Space-vector frame spectral control of the switching distortion of an automotive drive inverter." 2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe). September 11, 2017 - September 14, 2017.: IEEE, September 2017.  Full Text
    • Song, D, Schwaiger, K, Korte, C, Stark, C, Luetje, T, Jaensch, M, and Goetz, S. "Highly dynamic multiphase wide-bandgap DC-DC converter for automotive active suspension systems." 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia). June 3, 2017 - June 7, 2017.: IEEE, June 2017.  Full Text
    • Wang, C, Li, Z, Murphy, DLK, Li, Z, Peterchev, AV, and Goetz, SM. "Photovoltaic multilevel inverter with distributed maximum power point tracking and dynamic circuit reconfiguration." 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia). June 3, 2017 - June 7, 2017.: IEEE, June 2017.  Full Text
    • "Highly dynamic gallium-nitride DC-DC converter for 48 V systems." January 1, 2017.
    • Korte, C, Specht, E, and Goetz, S. "A novel spectral control method for an automotive gallium nitride DC-DC converter." January 1, 2017.  Full Text
    • Goetz, S, and Korte, C. "Spectral synthesis of switching distortion in automotive drive inverters." 2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe). September 5, 2016 - September 9, 2016.: IEEE, September 2016.  Full Text
    • Goetz, SM, Li, Z, Peterchev, AV, Liang, X, Zhang, C, and Lukic, SM. "Sensorless scheduling of the modular multilevel series-parallel converter: enabling a flexible, efficient, modular battery." 2016 IEEE Applied Power Electronics Conference and Exposition (APEC). March 20, 2016 - March 24, 2016.: IEEE, March 2016.  Full Text
    • Singer, A, Jeyaprakash, A, Goetz, S, Helling, F, and Weyh, T. "Isolated low-power multi-output DC-DC converters with heterogeneous loads for an efficient supply of modular power electronics systems." January 1, 2016.
    • Peterchev, AV, Murphy, DLK, and Goetz, SM. "Quiet transcranial magnetic stimulation: Status and future directions." January 2015.  Full Text
    • Klein, RC, Goetz, SM, Liedtke, WB, Moore, SD, and Peterchev, AV. "Static magnetic field modulates excitatory activity in layer II/III pyramidal neurons of the rat motor cortex." 2013 6th International IEEE/EMBS Conference on Neural Engineering (NER). November 6, 2013 - November 8, 2013.: IEEE, November 2013.  Full Text
• Teaching & Mentoring
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  Recent Courses

  • ECE 494: Projects in Electrical and Computer Engineering 2019
  • ECE 392: Projects in Electrical and Computer Engineering 2018
  • ECE 493: Projects in Electrical and Computer Engineering 2018

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