Search Results - "Graf, D"

Anisotropic giant magnetoresistance in NbSb2 by Wang, Kefeng, Graf, D., Li, Lijun, Wang, Limin, Petrovic, C.

“…The magnetic field response of the transport properties of novel materials and then the large magnetoresistance effects are of broad importance in both science…”
Get full text

Superconductivity at 250 K in lanthanum hydride under high pressures by Drozdov, A. P., Kong, P. P., Minkov, V. S., Besedin, S. P., Kuzovnikov, M. A., Mozaffari, S., Balicas, L., Balakirev, F. F., Graf, D. E., Prakapenka, V. B., Greenberg, E., Knyazev, D. A., Tkacz, M., Eremets, M. I.

“…With the discovery 1 of superconductivity at 203 kelvin in H 3 S, attention returned to conventional superconductors with properties that can be described by…”
Get full text

Three-dimensional Fermi surface and small effective masses in Mo8Ga41 by Hu, Zhixiang, Graf, D., Liu, Yu, Petrovic, C.

“…We report Fermi surface characteristics of Mo8Ga41, a two-gap superconductor with a critical temperature of T c ∼ 10 K, obtained from quantum oscillation…”
Get full text

Spatially Resolved Raman Spectroscopy of Single- and Few-Layer Graphene by Graf, D, Molitor, F, Ensslin, K, Stampfer, C, Jungen, A, Hierold, C, Wirtz, L

“…We present Raman spectroscopy measurements on single- and few-layer graphene flakes. By using a scanning confocal approach, we collect spectral data with…”
Get full text

High Fermi velocities and small cyclotron masses in LaAlGe by Hu, Zhixiang, Du, Qianheng, Liu, Yu, Graf, D., Petrovic, C.

“…We report quantum oscillation measurements of LaAlGe, a Lorentz-violating type-II Weyl semimetal with tilted Weyl cones. Very small quasiparticle masses and…”
Get full text

Pseudogap phase of cuprate superconductors confined by Fermi surface topology by Doiron-Leyraud, N., Cyr-Choinière, O., Badoux, S., Ataei, A., Collignon, C., Gourgout, A., Dufour-Beauséjour, S., Tafti, F. F., Laliberté, F., Boulanger, M.-E., Matusiak, M., Graf, D., Kim, M., Zhou, J.-S., Momono, N., Kurosawa, T., Takagi, H., Taillefer, Louis

“…The properties of cuprate high-temperature superconductors are largely shaped by competing phases whose nature is often a mystery. Chiefly among them is the…”
Get full text

Pressure-tuning the quantum spin Hamiltonian of the triangular lattice antiferromagnet Cs2CuCl4 by Zvyagin, S. A., Graf, D., Sakurai, T., Kimura, S., Nojiri, H., Wosnitza, J., Ohta, H., Ono, T., Tanaka, H.

“…Quantum triangular-lattice antiferromagnets are important prototype systems to investigate numerous phenomena of the geometrical frustration in condensed…”
Get full text

Crystallization of spin superlattices with pressure and field in the layered magnet SrCu2(BO3)2 by Haravifard, S., Graf, D., Feiguin, A. E., Batista, C. D., Lang, J. C., Silevitch, D. M., Srajer, G., Gaulin, B. D., Dabkowska, H. A., Rosenbaum, T. F.

“…An exact mapping between quantum spins and boson gases provides fresh approaches to the creation of quantum condensates and crystals. Here we report on…”
Get full text

Nearly massless Dirac fermions hosted by Sb square net in BaMnSb2 by Liu, Jinyu, Hu, Jin, Cao, Huibo, Zhu, Yanglin, Chuang, Alyssa, Graf, D., Adams, D. J., Radmanesh, S. M. A., Spinu, L., Chiorescu, I., Mao, Zhiqiang

“…Layered compounds AMnBi 2 (A = Ca, Sr, Ba, or rare earth element) have been established as Dirac materials. Dirac electrons generated by the two-dimensional…”
Get full text

Cold thermopeaking-induced drift of nase Chondrostoma nasus larvae by Mameri, D., Hayes, D. S., Führer, S., Fauchery, E., Schmutz, S., Monserat, A., Hasler, T., Graf, D. R. M., Santos, J. M., Ferreira, M. T., Auer, S.

“…Research on how intermittent water releases from hydropower plants affect the early life stages of fish has advanced in the last years, focusing not only on…”
Get full text

Unusual interlayer quantum transport behavior caused by the zeroth Landau level in YbMnBi2 by Liu, J. Y., Hu, J., Graf, D., Zou, T., Zhu, M., Shi, Y., Che, S., Radmanesh, S. M. A., Lau, C. N., Spinu, L., Cao, H. B., Ke, X., Mao, Z. Q.

“…Relativistic fermions in topological quantum materials are characterized by linear energy–momentum dispersion near band crossing points. Under magnetic fields,…”
Get full text

Bone Morphogenetic Protein 2 Coordinates Early Tooth Mineralization by Malik, Z., Alexiou, M., Hallgrimsson, B., Economides, A.N., Luder, H.U., Graf, D.

“…Formation of highly organized dental hard tissues is a complex process involving sequential and ordered deposition of an extracellular scaffold, followed by…”
Get full text

A magnetic topological semimetal Sr1−yMn1−zSb2 (y, z < 0.1) by Liu, J. Y., Hu, J., Zhang, Q., Graf, D., Cao, H. B., Radmanesh, S. M. A., Adams, D. J., Zhu, Y. L., Cheng, G. F., Liu, X., Phelan, W. A., Wei, J., Jaime, M., Balakirev, F., Tennant, D. A., DiTusa, J. F., Chiorescu, I., Spinu, L., Mao, Z. Q.

“…Weyl (WSMs) evolve from Dirac semimetals in the presence of broken time-reversal symmetry (TRS) or space-inversion symmetry. The WSM phases in TaAs-class…”
Get full text

Signatures of bosonic Landau levels in a finite-momentum superconductor by Devarakonda, A., Suzuki, T., Fang, S., Zhu, J., Graf, D., Kriener, M., Fu, L., Kaxiras, E., Checkelsky, J. G.

“…Charged particles subjected to magnetic fields form Landau levels (LLs). Originally studied in the context of electrons in metals 1 , fermionic LLs continue to…”
Get full text

Superconductivity in a uranium containing high entropy alloy by Nelson, W. L., Chemey, A. T., Hertz, M., Choi, E., Graf, D. E., Latturner, S., Albrecht-Schmitt, T. E., Wei, K., Baumbach, R. E.

“…High entropy alloys (HEA) are an unusual class of materials where mixtures of elements are stochastically arrayed on a simple crystalline lattice. These…”
Get full text

π Berry phase and Zeeman splitting of Weyl semimetal TaP by Hu, J., Liu, J. Y., Graf, D., Radmanesh, S. M. A., Adams, D. J., Chuang, A., Wang, Y., Chiorescu, I., Wei, J., Spinu, L., Mao, Z. Q.

“…The recent breakthrough in the discovery of Weyl fermions in monopnictide semimetals provides opportunities to explore the exotic properties of relativistic…”
Get full text

Tunable Coulomb blockade in nanostructured graphene by Stampfer, C., Güttinger, J., Molitor, F., Graf, D., Ihn, T., Ensslin, K.

“…We report on Coulomb blockade and Coulomb diamond measurements on an etched, tunable single-layer graphene quantum dot. The device consisting of a graphene…”
Get full text

Interplanar coupling-dependent magnetoresistivity in high-purity layered metals by Kikugawa, N., Goswami, P., Kiswandhi, A., Choi, E. S., Graf, D., Baumbach, R. E., Brooks, J. S., Sugii, K., Iida, Y., Nishio, M., Uji, S., Terashima, T., Rourke, P.M.C., Hussey, N. E., Takatsu, H., Yonezawa, S., Maeno, Y., Balicas, L.

“…The magnetic field-induced changes in the conductivity of metals are the subject of intense interest, both for revealing new phenomena and as a valuable tool…”
Get full text

Deconvolution of 1D NMR spectra: A deep learning-based approach by Schmid, N., Bruderer, S., Paruzzo, F., Fischetti, G., Toscano, G., Graf, D., Fey, M., Henrici, A., Ziebart, V., Heitmann, B., Grabner, H., Wegner, J.D., Sigel, R.K.O., Wilhelm, D.

“…[Display omitted] •Realistic synthetic 1D NMR spectra for robust performance on experimental spectra.•An implicit regularization through automatic labeling of…”
Get full text

Raman imaging of doping domains in graphene on SiO2 by Stampfer, C., Molitor, F., Graf, D., Ensslin, K., Jungen, A., Hierold, C., Wirtz, L.

“…We present spatially resolved Raman images of the G and 2D lines of single-layer graphene flakes. The spatial fluctuations of G and 2D lines are correlated and…”
Get full text