Raphael P Hermann Senior R&D Staff Contact hermannrp@ornl.gov | 865.576.4264 All Publications Tuning the room temperature ferromagnetism in Fe 5 GeTe 2 by arsenic substitution Understanding and design of spin-driven thermoelectrics... Quasiparticle twist dynamics in non-symmorphic materials... Simulating spin waves in entropy stabilized oxides Resonant ultrasound spectroscopy probe for in-situ neutron scattering measurements... Thermal evolution of internal strain in doped PbTe... Uncovering design principles for amorphous-like heat conduction using two-channel lattice dynamics... Evaluation of electrochemical performance and redox activity of Fe in Ti doped layered P2-Na 0.67 Mn 0.5 Fe 0.5 O 2 cathode for sodium ion batteries A catastrophic charge density wave in BaFe2Al9... Deconvoluting the Magnetic Structure of the Commensurately Modulated Quinary Zintl Phase Eu 11– x Sr x Zn 4 Sn 2 As 12... Oxidation and associated pore structure modification during experimental alteration of granite The Fe 4+/3+ Redox Mechanism in NaFeO 2 : A Simultaneous Operando Nuclear Resonance and X‐ray Scattering Study... Temperature-dependent lattice dynamics in iridium... Structure and electronic properties of CaAl12−xFexO19 hibonites... Phonon Spectroscopy in Antimony and Tellurium Oxides... LiNixFeyAlzO2, a new cobalt-free layered cathode material for advanced Li-ion batteries... Giant isotope effect on phonon dispersion and thermal conductivity in methylammonium lead iodide... Spin dynamics and a nearly continuous magnetic phase transition in an entropy-stabilized oxide antiferromagnet... Lattice Dynamics of Sb 2 Se 3 from Inelastic Neutron and X‐Ray Scattering... Self‐Assembled Room Temperature Multiferroic BiFeO 3 ‐LiFe 5 O 8 Nanocomposites... Paramagnon drag in high thermoelectric figure of merit Li-doped MnTe High-pressure nuclear inelastic scattering with backscattering monochromatization... Thermal acoustic excitations with atomic-scale wavelengths in amorphous silicon... Operando X-ray absorption spectroscopy applied to battery materials at ICGM: The challenging case of BiSb's sodiation... Intrinsic anharmonic localization in thermoelectric PbSe... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 … Next page ›› Last page Last » Key Links Curriculum Vitae Google Scholar ORCID Research profile - Quantum materials research Organizations Physical Sciences Directorate Materials Science and Technology Division Foundational Materials Science Section Neutron and X-Ray Scattering Group