47 citations · 150 across the 8 of their papers we have counts for
8 papers
Observation of Two Collapsed Phases in CaRbFe4As4
Ryan L. Stillwell, Xiangfeng Wang, Limin Wang +5
We report the observation of the pressure-induced, fully-collapsed tetragonal phase of CaRbFe4As4 for P~ 22 GPa via high-pressure x-ray diffraction and magnetotransport measurement…
The Tricritical Point of the f-electron Antiferromagnet USb2 Driven by High Magnetic Fields
Ryan L. Stillwell, I-Lin Liu, Neil Harrison +3
In pulsed magnetic fields up to 65T and at temperatures below the Néel transition, our magnetization and magnetostriction measurements reveal a field-induced metamagnetic-like tran…
Tuning the electronic and the crystalline structure of LaBi by pressure
F. F. Tafti, M. S. Torikachvili, R. L. Stillwell +10
Extreme magnetoresistance (XMR) in topological semimetals is a recent discovery which attracts attention due to its robust appearance in a growing number of materials. To search fo…
Distinct magnetic spectra in the hidden order and antiferromagnetic phases in URu2-xFexSi2
Nicholas P. Butch, Sheng Ran, Inho Jeon +8
We use neutron scattering to compare the magnetic excitations in the hidden order (HO) and antiferromagnetic (AFM) phases in URu2-xFexSi2 as a function of Fe concentration. The mag…
Strongly Coupled Electronic, Magnetic, and Lattice Degrees of Freedom in LaCo5 under Pressure
Ryan L. Stillwell, Jason R. Jeffries, Scott K. McCall +3
We have performed the first high-pressure magnetotransport and x-ray diffraction measurements on ferromagnetic LaCo5, confirming the theoretically predicted electronic topological…
Superconducting Bi2Te: pressure-induced universality in the (Bi2)m(Bi2Te3)n series
Ryan L. Stillwell, Zsolt Jenei, Samuel T. Weir +2
Using high-pressure magnetotransport techniques we have discovered superconductivity in Bi2Te, a member of the infinitely adaptive (Bi2)m(Bi2Te3)n series, whose end members, Bi and…
Pressure Driven Fermi surface reconstruction of chromium
R. L. Stillwell, D. E. Graf, W. A. Coniglio +6
We have observed a massive reconstruction of the Fermi surface of single crystal chromium as a function of high pressure and high magnetic fields caused by the spin-flip transition…
Fermi Surface of Alpha-Uranium at Ambient Pressure
D. Graf, R. Stillwell, T. P. Murphy +10
We have performed de Haas-van Alphen measurements of the Fermi surface of alpha-uranium single crystals at ambient pressure within the alpha-3 charge density wave (CDW) state from…