Outputs (115)

Strong Coupling of Microwave Photons to Antiferromagnetic Fluctuations in an Organic Magnet (2017)
Journal Article
Mergenthaler, M., Liu, J., Le Roy, J. J., Ares, N., Thompson, A. L., Bogani, L., …Laird, E. A. (2017). Strong Coupling of Microwave Photons to Antiferromagnetic Fluctuations in an Organic Magnet. Physical Review Letters, 119(14), Article 147701. https://doi.org/10.1103/physrevlett.119.147701

Coupling between a crystal of di(phenyl)-(2,4,6-trinitrophenyl)iminoazanium radicals and a superconducting microwave resonator is investigated in a circuit quantum electrodynamics (circuit QED) architecture. The crystal exhibits paramagnetic behavior... Read More about Strong Coupling of Microwave Photons to Antiferromagnetic Fluctuations in an Organic Magnet.

Local magnetism and spin dynamics of the frustrated honeycomb rhodate Li2RhO3 (2017)
Journal Article
Khuntia, P., Manni, S., Foronda, F., Lancaster, T., Blundell, S., Gegenwart, P., & Baenitz, M. (2017). Local magnetism and spin dynamics of the frustrated honeycomb rhodate Li2RhO3. Physical Review B, 96(9), Article 094432. https://doi.org/10.1103/physrevb.96.094432

We reportmagnetization, heat capacity, 7Li nuclear magnetic resonance (NMR), and muon-spin rotation (μSR) measurements on the honeycomb 4d5 spin liquid candidate Li2RhO3. The magnetization in small magnetic fields provides evidence of the partial spi... Read More about Local magnetism and spin dynamics of the frustrated honeycomb rhodate Li2RhO3.

Exchange constants in molecule-based magnets derived from density functional methods (2017)
Journal Article
Thomas, I., Clark, S., & Lancaster, T. (2017). Exchange constants in molecule-based magnets derived from density functional methods. Physical Review B, 96(9), Article 094403. https://doi.org/10.1103/physrevb.96.094403

Cu(pyz)(NO3)2 is a quasi-one-dimensional molecular antiferromagnet that exhibits three-dimensional long-range magnetic order below T N = 110 mK due to the presence of weak interchain exchange couplings. Here, we compare calculations of the three larg... Read More about Exchange constants in molecule-based magnets derived from density functional methods.

Crystal structure and magnetic modulation in β−Ce2O2FeSe2 (2017)
Journal Article
Wang, C., Ainsworth, C., Champion, S., Stewart, G., Worsdale, M., Lancaster, T., …Evans, J. S. (2017). Crystal structure and magnetic modulation in β−Ce2O2FeSe2. Physical Review Materials, 1(3), Article 034403. https://doi.org/10.1103/physrevmaterials.1.034403

We report a combination of X-ray and neutron diffraction studies, Mossbauer spectroscopy and muon spin relaxation (muSR) measurements to probe the structure and magnetic properties of the semiconducting beta-Ce2O2FeSe2 oxychalcogenide. We report a ne... Read More about Crystal structure and magnetic modulation in β−Ce2O2FeSe2.

Quantum Griffiths phase inside the ferromagnetic phase of Ni1-xVx (2017)
Journal Article
Wang, R., Gebretsadik, A., Ubaid-Kassis, S., Schroeder, A., Vojta, T., Baker, P. J., …Page, K. (2017). Quantum Griffiths phase inside the ferromagnetic phase of Ni1-xVx. Physical Review Letters, 118(26), Article 267202. https://doi.org/10.1103/physrevlett.118.267202

We study by means of bulk and local probes the d-metal alloy Ni1-xVx close to the quantum critical concentration, x_c \approx 11.6\%, where the ferromagnetic transition temperature vanishes. The magnetization-field curve in the ferromagnetic phase ta... Read More about Quantum Griffiths phase inside the ferromagnetic phase of Ni1-xVx.

Room-temperature helimagnetism in FeGe thin films (2017)
Journal Article
Zhang, S., Stasinopoulos, I., Lancaster, T., Xiao, F., Bauer, A., Rucker, F., …Hesjedal, T. (2017). Room-temperature helimagnetism in FeGe thin films. Scientific Reports, 7(1), Article 123. https://doi.org/10.1038/s41598-017-00201-z

Chiral magnets are promising materials for the realisation of high-density and low-power spintronic memory devices. For these future applications, a key requirement is the synthesis of appropriate materials in the form of thin films ordering well abo... Read More about Room-temperature helimagnetism in FeGe thin films.

The Use of Downward Causation in Condensed Matter Physics (2017)
Book Chapter
Clark, S., & Lancaster, T. (2017). The Use of Downward Causation in Condensed Matter Physics. In M. P. Paoletti, & F. Orilia (Eds.), Philosophical and scientific perspectives on downward causation (131-145). Routledge

Elucidation of the helical spin structure of FeAs (2017)
Journal Article
Frawley, T., Schoonmaker, R., Lee, S., Du, C., Steadman, P., Strempfer, J., …Hatton, P. (2017). Elucidation of the helical spin structure of FeAs. Physical Review B, 95(6), Article 064424. https://doi.org/10.1103/physrevb.95.064424

We present the results of resonant x-ray scattering measurements and electronic structure calculations on the monoarsenide FeAs. We elucidate details of the magnetic structure, showing the ratio of ellipticity of the spin helix is larger than previou... Read More about Elucidation of the helical spin structure of FeAs.

Adiabatic physics of an exchange-coupled spin-dimer system: Magnetocaloric effect, zero-point fluctuations, and possible two-dimensional universal behavior (2017)
Journal Article
Brambleby, J., Goddard, P., Singleton, J., Jaime, M., Lancaster, T., Huang, L., …Manson, J. (2017). Adiabatic physics of an exchange-coupled spin-dimer system: Magnetocaloric effect, zero-point fluctuations, and possible two-dimensional universal behavior. Physical Review B, 95(2), Article 024404. https://doi.org/10.1103/physrevb.95.024404

We present the magnetic and thermal properties of the bosonic-superfluid phase in a spin-dimer network using both quasistatic and rapidly changing pulsed magnetic fields. The entropy derived from a heat-capacity study reveals that the pulsed-field me... Read More about Adiabatic physics of an exchange-coupled spin-dimer system: Magnetocaloric effect, zero-point fluctuations, and possible two-dimensional universal behavior.

Quantum-critical spin dynamics in a Tomonaga-Luttinger liquid studied with muon-spin relaxation (2017)
Journal Article
Möller, J., Lancaster, T., Blundell, S., Pratt, F., Baker, P., Xiao, F., …Landee, C. (2017). Quantum-critical spin dynamics in a Tomonaga-Luttinger liquid studied with muon-spin relaxation. Physical Review B, 95(2), Article 020402(R). https://doi.org/10.1103/physrevb.95.020402

We demonstrate that quantum-critical spin dynamics can be probed in high magnetic fields using muon-spin relaxation (μ+SR). Our model system is the strong-leg spin ladder bis(2,3-dimethylpyridinium) tetrabromocuprate (DIMPY). In the gapless Tomonaga-... Read More about Quantum-critical spin dynamics in a Tomonaga-Luttinger liquid studied with muon-spin relaxation.