Carnegie Mellon University
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Peer-Reviewed Journal Articles
[37]Kitcher, M., De Graef, M., Sokalski, V. Deterministic switching of Bloch chirality in magnetic skyrmions: the Dzyaloshinskii astroid. Physical Review Letters. (2021) [Under Review]
[36]Brock, J., Kitcher, M., P. V., Medapalli, R., Li, M. P., De Graef, M. J., Mangin, S., Sokalski, V., & Fullerton, E. Dynamic symmetry breaking in chiral magnetic systems. Advanced Materials. (2021) [In Press]
[35]Liu, Y., Kitcher, M., De Graef, M., & Sokalski, V. Towards hexagonal C2v systems with anisotropic DMI: Characterization of epitaxial Co(10.0)/Pt(110) multilayer films. Physical Review Materials. (2021). [Pending Revisions]
[34]Wong, T., & Sokalski, V. Magnetic Nanohorns for measurement of the interfacial Dzyaloshinskii-Moriya interaction: A micromagnetic study. IEEE Transactions on Magnetics. (2021) [Accepted]
[33]Pandey, N., Li, M., De Graef, M. J., & Sokalski, V. Direct observation of topological charge impacting skyrmion bubble stability in Pt/Ni/Co asymmetric superlattices. APL Materials 9, 081114 (2021)
[32]Li, M., Sapkota, A., Rai, A., Pokhrel, A., Mewes, T., Mewes, C., Xiao, D., De Graef, M. J., & Sokalski, V. Magnetic domain wall substructures in Pt/Co/Ni/Ir multi-layers. Journal of Applied Physics. arXiv preprint arXiv:2004.07888. (2021) [Under Review]
[31]Sapkota, A., Rai, A., Pokhrel, A., Mohammadi, J.B., Li, M.P., Lau, D., De Graef, M. J., Sokalski, V., Mewes, T., & Mewes, C. Limitations of the macrospin approximation of materials with inhomogeneous perpendicular anisotropy. J. Appl. Phys., 128(073910). (2020)
[30]Rai, A., Sapkota, A., Pokhrel, A., Li, M.P., De Graef, M. J., Mewes, C., Sokalski, V., & Mewes, T. Higher-order perpendicular magnetic anisotropy and interfacial damping of Co/Ni multilayers. Phys. Rev. B, 102, 174421. (2020)
[29]Pandey, N., Li, M., De Graef, M. J., & Sokalski, V. Stabilization of coupled Dzyaloshinskii domain walls in fully compensated synthetic anti-ferromagnets. AIP Advances, 10(1), 015233. (2020)
[28]Li, M., Rai, A., Pokhrel, A., Sapkota, A., Mewes, C., Mewes, T., De Graef, M. J., & Sokalski, V. (2019). Formation of zero-field Skyrmion arrays in asymmetric superlattices. arXiv preprint arXiv:1911.03578. (2020)
[27]Li, M.P., Lau, D., De Graef, M. J., & Sokalski, V. (2019). Lorentz TEM Imaging of Topological Magnetic Features in Asymmetric [Pt/(Co/Ni)MIr]N based Multi-Layers. Microscopy and Microanalysis., 25 (S2), 24-25.
[26]Cheng, R., Li, M., Sapkota, A., Rai, A., Pokhrel, A., Mewes, T., Mewes, C., Xiao, D., De Graef, M. and Sokalski, V., 2018. Magnetic domain wall Skyrmions. Physical Review B. 99(18), 184412. (2019)
[25]Lau, D.K., Sokalski, V. The interfacial Dzyaloshinskii-Moriya interaction and spin-orbit torque driven domain wall motion in Co/Ni multi-layers with a Ptx(Ir,Au)1-x seedlayer. AIP Advances 9, 035208. (2019)
[24]A. Prudnikov, M. Li, M. De Graef and V. Sokalski, "Simultaneous control of interlayer exchange coupling and the interfacial Dzyaloshinskii-Moriya interaction in Ru-based synthetic antiferromagnets," IEEE Magnetics Letters, 10, 1-4. (2019)
[23]Li, M., Lau, D., De Graef, M. and Sokalski, V., 2018. Lorentz TEM investigation of chiral spin textures and NĂ©el Skyrmions in asymmetric [Pt/(Co/Ni)M/Ir]N multi-layer thin films. Physical Review Materials 3 (6), 064409 (2019)
[22]Lau, D., Pellegren, J.P., Nembach, H.T., Shaw, J.M. and Sokalski, V., 2018. Disentangling factors governing Dzyaloshinskii domain-wall creep in Co/Ni thin films using PtxIr1-x seed layers. Physical Review B, 98(18), p.184410. (2018)
[21]Li, M. P., De Graef, M., & Sokalski, V. Characterizing Dzyaloshinskii Domain Walls in Asymmetric [Pt/Co/Ni/Ir]N Multi-Layers using Lorentz TEM. Microscopy and Microanalysis, 24(S1), 948-949. (2018)
[20]Pellegren, J.P., Lau, D.K., & Sokalski, V. Dispersive Stiffness of Dzyaloshinskii Domain Walls. Physical Review Letters, 119(2), 027203. (2017)
[19]Jaris, M., Lau, D., Sokalski, V., & Schmidt, H. Magnetization Dynamics and Damping Behavior of Co/Ni Multilayers with a Graded Ta Capping Layer. Journal of Applied Physics. 121(17). (2017))
[18]Li, M., De Graef, M., & Sokalski, V. Lorentz TEM simulation of Dzyaloshinskii domain walls under an in-plane magnetic field. Microscopy and Microanalysis. 23 (S1), 1734-1735. (2017)
[17]Pellegren, J.P., Furuta, M., Sundar, V., Liu, Y., Zhu, J-G., & Sokalski, V. Increased boron content for wider process tolerance in perpendicular MTJs. AIP Advances 7, 055901 (2016).
[16]Lau, D., Sundar, V., Zhu, J.-G., & Sokalski, V. Energetic molding of chiral magnetic bubbles. Phys. Rev. B, 94(6), 060401. [Rapid Communication, Editor Selection] (2016)
[15]Jeong, M., Freedman, J. P., Liang, H., Chow, C.-M., Sokalski, V., Bain, J. A., & Malen, J. A. Enhancement of Thermal Conductance at Metal-Dielectric Interfaces Using Subnanometer Metal Adhesion Layers. Physical Review Applied, 5. (2016)
[14]Pellegren, J. P., V. Sokalski. Thickness and Interface-dependent Crystallization of CoFeB Alloy Thin Films. IEEE Transactions on Magnetics. (2015)
[13]Bromberg, D., M. Moneck, V. Sokalski, J. Zhu, L. Pileggi, and J.G. Zhu, Experimental demonstration of four-terminal magnetic logic device with separate read- and write-paths. Electron Devices Meeting (IEDM), 2014 IEEE International, 2014: p. 33.1.1-33.1.4.
[12]Sokalski, V., D. Bromberg, M. Moneck, E. Yang, and J.G. Zhu, Increased perpendicular TMR in FeCoB/MgO/FeCoB magnetic tunnel junctions by seedlayer modifications. IEEE Transactions on Magnetics, 2013. 49(7): p. 4351.
[11]Sokalski, V., D. Bromberg, D. Morris, M. Moneck, E. Yang, L. Pileggi, and J.G. Zhu, Naturally Oxidized FeCo as a Magnetic Coupling Layer for Electrically Isolated Read/Write Paths in mLogic. IEEE Transactions on Magnetics, 2013. 49(7): p. 4383.
[10]Ohodnicki, Jr., P.R., V. Sokalski, S. Shen, V. DeGeorge, M.E. McHenry, D.E. Laughlin, J. Kortright. Structure and Property Correlations in CoFe-SiO2 Nanogranular Films Utilizing X-ray Photelectron Spectroscopy and Small Angle Scattering Techniques. Journal of Electronic Materials. Vol. 42, No. 9, 2013.
[9]Yang, E., V. Sokalski, M. T. Moneck, D. Bromberg, and J.G. Zhu. Annealing effect and under/capping layer study on Co/Ni multilayer thin films for domain wall motion. Journal of Applied Physics. Vol. 113, 17C116 (2013).
[8]Sokalski, V., M.T. Moneck, E. Yang, and J.G. Zhu, Optimization of Ta thickness for perpendicular magnetic tunnel junction applications in the MgO-FeCoB-Ta system. Applied Physics Letters, 2012. 101(072411).
[7]Sokalski, V., D.E. Laughlin, and J.G. Zhu. Magnetic anisotropy and stacking faults in Co and Co84Pt16 epitaxially grown thin films. Journal of Applied Physics. 2011. 110(9).
[6]Zhu, J.G., V. Sokalski, Y. Wang, D. Laughlin. Noise Mechanisms in Small Grain Size Perpendicular Thin Film Media. IEEE Transactions on Magnetics. Vol. 47, No. 1. 2011.
[5]Moneck, M., T. Okada, J. Fujimori, T. Kasuya, M. Katsumura, T. Iida, K. Kuriyama, W.C. Lin, V. Sokalski, S.P. Powell, J.A. Bain, and J.G. Zhu. Fabrication and Recording of Bit Patterned Media Prepared by Rotary Stage Electron Beam Lithography. IEEE Transactions on Magnetics, 2011. 47(10).
[4]Jones, N., K. McNerny, V. Sokalski, M. Diaz-Michelana, D. Laughlin, M. McHenry. Fabrication of Thin Films for a Small Alternating Gradient Field Magnetometer for Biomagnetic Sensing Applications. Journal of Appl. Physics. 2011. 109(7).
[3]Sokalski, V.M., J.G. Zhu, and D.E. Laughlin, Characterization of Oxide Materials for Exchange Decoupling in Perpendicular Thin Film Media. IEEE Transactions on Magnetics, 2010. 46(6): p. 2260-2263.
[2]Sokalski, V., D. Laughlin, J-G. Zhu. Experimental Modeling of Intergranular Exchange Coupling for Perpendicular Thin Film Media. Applied Physics Letters. Vol. 95, No. 10. 2009.
[1]Sokalski, V., A. Kulovits, J.M.K. Wiezorek. UFG to NC FePd by Combined Reaction Transformation Mode of Severely Plastically Deformed Gamma-FePd. Materials Research Society Proceedings. Vol. 980. 2007.
[1]Bromberg, D. M. Moneck, V. Sokalski, L. Pileggi, J-G. Zhu. A Non-Volatile Magnetic Logic Device. Carnegie Mellon University. Application Number PCT/US13/73073. (PATENT APPLICATION FILED)
Vincent M. Sokalski
Associate Professor
Dept. of Material Science & Engineering
Carnegie Mellon University
5000 Forbes Ave
Roberts Engineering Hall 144
Pittsburgh, PA 15213

Office: 412-268-8628
Fax: 412-268-7596