Under Review

i. S. Novakov, P.B. Meisenheimer, G.A. Pan, N.M. Vu, A.J. Grutter, R.F. Need, J.A. Mundy, and J.T. Heron. Composite spin hall conductivity from non-collinear antiferromagnetic order.


21. J.A. Johnson II, R.F. Need, D. Brown, C. Hatem, B. Adams, X. Li, and K.S. Jones. Strain and defect evolution of Si1-xGex/Si heterostructures grown by pulsed laser induced epitaxy. Surfaces and Interfaces. 32, 102149, (2022). [doi: 10.1016/j.surfin.2022.102149]

20. S. Pournia, G. Jnawali, R.F. Need, H.E. Jackson, S.D. Wilson, and L.M. Smith. Band structure and polarization effects in photothermoelectric spectroscopy of a Bi2Se3 device. Applied Physics Letters. 120, (2022). [doi: 10.1063/5.0075924]


19. T.R. Thapaliya, T. Yoo, S.H. Parra, N.D. Arndt, R.F. Need, J. M. Kikkawa, H. Kim, and S.X. Huang. High-quality epitaxial thin films of topological kagome metal CoSn by magnetron sputtering. Applied Physics Letters 119, 201902 (2021). [doi: 10.1063/5.0071115]

18. S. Li, Q. Zhang, S. Lin, X. Sang, R.F. Need, M. A. Roldan, W. Cui, Z. Hu, Q. Jin, S. Chen, J. Zhao, J.-O. Wang, J. Wang, M. He, C. Ge, C. Wang, H.-B. Lu, Z. Wu, H. Guo, X. Tong, T. Zhu, B. Kirby, L. Gu, K. Jin, E.-J. Guo. Strong ferromagnetism achieved via breathing lattices in atomically thin cobaltites. Advanced Materials 33, 2001324 (2021). [doi: 10.1002/adma.202001324]


17. D. Khada, T.R. Thapaliya, S.H. Parra, J. Wen, R.F. Need, J. M. Kikkawa, and S.X. Huang. Anomalous Hall and Nernst effects in epitaxial films of topological kagome magnet Fe3Sn2. Physical Review Materials 4, 084203 (2020). [doi: 10.1103/PhysRevMaterials.4.084203].

16. D. Khada, T.R. Thapaliya, S.H. Parra, X. Han, J. Wen, R.F. Need, P. Khanal, W. Wang, J. Zhang, J.M. Kikkawa, L. Wu, and S.X. Huang. Kondo physics in antiferromagnetic Weyl semimetal Mn3+xSn1-x films. Science Advances 6, eabc1977 (2020). [doi: 10.1126/sciadv.abc1977]

15. D. Khada, T.R. Thapaliya, J. Wen, R.F. Need, and S.X. Huang. High quality epitaxial thin films and exchange bias of antiferromagnetic Dirac semimetal FeSn. Applied Physics Letters 117, 032403  (2020). [doi: 10.1063/5.0011497]. 

14. Z. Porter, R.F. Need, K. Ahadi, Y. Zhao, Z. Xu, B.J. Kirby, J.W. Lynn, S. Stemmer, and S.D. Wilson. Correlating magnetic structure and magnetotransport in semimetal thin films of Eu(1-x)Sm(x)TiO3. Physical Review Materials 4, 054411 (2020). [doi: 10.1103/PhysRevMaterials.4.054411]. 

13. R.F. Need, S.-K. Bac, X. Liu, S. Lee, B.J. Kirby, M. Dobrowolska, J. Kossut, and J. Furdyna. Magnetic properties and electronic origin of the interface between dilute magnetic semiconductors with orthogonal magnetic anisotropy. Physical Review Materials 4, 054410 (2020). [doi: 10.1103/PhysRevMaterials.4.054410].

12. J. Ye, A. Book, S. Mayr, H. Gabold, F. Meng, H. Schafferer, R.F. Need, D. Gilbert, T. Saerbeck, J. Stahn, P. Boni, and W. Kreuzpaintner. Design and realization of a sputter deposition system for the in situ and in operando use in polarized neutron reflectometry experiments: Novel capabilities. Nuclear Instruments and Methods in Physics Research A 964, 163710 (2020). [doi: 10.1016/j.nima.2020.163710].


11. R.F. Need, J. Lauzier, L. Sutton, B.J. Kirby, and J. de la Venta. Using structural phase transitions to enhance coercivity in ferromagnetic films. APL Materials 7, 101115 (2019). [doi: 10.1063/1.5118893].

10. I. Gray, T. Moriyama, N. Sivadas, B.J. Kirby, R.F. Need, D.H. Low, G.M. Stiehl, J.T. Heron, D.C. Ralph, K.C. Nowack, T. Ono, and G.D. Fuchs. Spin Seebeck imaging of spin-torque switching in antiferromagnetic Pt/NiO/Pt heterostructures. Physical Review X 9, 041016 (2019). [doi: 10.1103/PhysRevX.9.041016].


9. R.F. Need, P.B. Marshall, E. Weschke, A.J. Grutter, D.A. Gilbert, E. Arenholz, P. Shafer, S. Stemmer, and S.D. Wilson. Resolving interfacial charge transfer in titanate superlattices using resonant X-ray reflectometry. Physical Review Materials 2, 093801 (2018). [doi: 10.1103/PhysRevMaterials.2.093801]

8. G. Jnawali, S. Linser, I.A. Shojaei, S. Pournia, H.E. Jackson, L.M. Smith, R.F. Need, and S.D. Wilson. Revealing optical transitions and carrier recombination dynamics within the bulk band structure of Bi2Se3. Nano Letters 18, 5875-5884 (2018). [doi: 10.1021/acs.nanolett.8b02577]

7. R.F. Need, B.J. Issac, B.J. Kirby, J.A. Borchers, S. Stemmer, and S.D. Wilson. Octahdeal tilt independent magnetism in confined GdTiO3 films. Applied Physics Letters 112, 132407 (2018). [doi: 10.1063/1.5016174]

6. J.D. Bocarsly, R.F. Need, R. Seshadri, and S.D. Wilson. Magnetoentropic signatures of skyrmionic phase behavior in FeGe. Physical Review B 97, 100404(R) (2018). [doi: 0.1103/PhysRevB.97.100404]

5. R.F. Need, P.B. Marshall, E. Kenney, A. Suter, T. Prokscha, Z. Salman, B.J. Kirby, S. Stemmer, M.J. Graf, and S.D. Wilson. Quasistatic antiferromagnetism in the quantum wells of SmTiO3/SrTiO3 heterostructures. npj Quantum Materials 3, 7 (2018). [doi: 10.1038/s41535-018-0081-8]


4. R.F. Need, B.J. Issac, B.J. Kirby, S. Stemmer, and S.D. Wilson. Interface-driven ferromagnetism within the quantum wells of a rare earth titanate superlattice. Physical Review Letters 117, 037205 (2016). [doi: 10.1103/PhysRevLett.117.037205]

Prior to 2015

3. R.F. Need, D.J. Alexander, R.D. Field, V. Livescu, P. Papin, C.A. Swenson, and D.B. Mutnick. The effects of equal channel angular extrusion on the mechanical and electrical properties of alumina dispersion-strengthened copper alloys. Materials Science and Engineering A 565, 450-458 (2013). [doi: 10.1016/j.msea.2012.12.007]

2. C.M. Hangarter, B.H. Hamadani, J.E. Guyer, H. Xu, R.F. Need, and D. Josell. Three dimensionally structured interdigitated back contact thin film heterojunction solar cells. Journal of Applied Physics 109, 7 (2011). [doi: 10.1063/1.3561487]

1. D.J. Morris, R.F. Need, M.J. Anderson, and D.F. Bahr. Enhanced actuation and acoustic transduction by pressurization of micromachined piezoelectric diaphragms. Sensors and Actuators A 161, 1 (2010). [doi: 10.1016/j.sna.2010.05.028]