Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Krizan, Jason"'
Autor:
Frandsen, Benjamin A., Ross, Kate A., Krizan, Jason W., Nilsen, Gøran J., Wildes, Andrew R., Cava, Robert J., Birgeneau, Robert J., Billinge, Simon J. L.
Publikováno v:
Phys. Rev. Materials 1, 074412 (2017)
We present time-of-flight neutron total scattering and polarized neutron scattering measurements of the magnetically frustrated compounds NaCaCo$_2$F$_7$ and NaSrCo$_2$F$_7$, which belong to a class of recently discovered pyrochlore compounds based o
Externí odkaz:
http://arxiv.org/abs/1708.05527
Autor:
Gyenis, Andras, Inoue, Hiroyuki, Jeon, Sangjun, Zhou, Brian B., Feldman, Benjamin E., Wang, Zhijun, Li, Jian, Jiang, Shan, Gibson, Quinn D., Kushwaha, Satya K., Krizan, Jason W., Ni, Ni, Cava, Robert J., Bernevig, B. Andrei, Yazdani, Ali
Publikováno v:
New J. Phys. 18, 105003 (2016)
Following the intense studies on topological insulators, significant efforts have recently been devoted to the search for gapless topological systems. These materials not only broaden the topological classification of matter but also provide a conden
Externí odkaz:
http://arxiv.org/abs/1610.07197
Autor:
Luo, Huixia, Xie, Weiwei, Tao, Jing, Pletikosic, Ivo, Valla, Tonica, Sahasrabudhe, Girija S., Osterhoudt, Gavin, Sutton, Erin, Burch, Kenneth S., Seibel, Elizabeth M., Krizan, Jason W., Zhu, Yimei, Cava, Robert J.
We report that 1T-TiSe2, an archetypical layered transition metal dichalcogenide, becomes superconducting when Ta is substituted for Ti but not when Nb is substituted for Ti. This is unexpected because Nb and Ta should be chemically equivalent electr
Externí odkaz:
http://arxiv.org/abs/1601.08226
We present the crystal structures and magnetic properties of RE3Sb3Mg2O14 (La3Sb3Mg2O14, Pr3Sb3Mg2O14, Sm3Sb3Mg2O14, Eu3Sb3Mg2O14, Tb3Sb3Mg2O14, and Ho3Sb3Mg2O14), a family of novel materials based on a perfect geometry 2D rare earth Kagome lattice.
Externí odkaz:
http://arxiv.org/abs/1601.06639
Autor:
Xiong, Jun, Kushwaha, Satya K., Liang, Tian, Krizan, Jason W., Wang, Wudi, Cava, R. J., Ong, N. P.
In this talk, we describe recent experimental progress in detecting the chiral anomaly in the Dirac semimetal Na$_3$Bi in the presence of a magnetic field. The chiral anomaly, which plays a fundamental role in chiral gauge theories, was predicted to
Externí odkaz:
http://arxiv.org/abs/1503.08179
Autor:
Seibel, Elizabeth M., Schoop, Leslie M., Xie, Weiwei, Gibson, Quinn D., Webb, James B., Fuccillo, Michael K., Krizan, Jason W., Cava, Robert J.
Publikováno v:
J. Am. Chem. Soc., 2015, 137, 1282-1289
We report a new family of ternary 111 hexagonal LnAuSb (Ln = La-Nd, Sm) compounds that, with a 19 valence electron count, has one extra electron compared to all other known LnAuZ compound. The "19th" electron is accommodated by Au-Au bonding between
Externí odkaz:
http://arxiv.org/abs/1503.05424
Autor:
Ross, Kate A., Krizan, Jason W., Rodriguez-Rivera, Jose A., Cava, Robert J., Broholm, Collin L.
Publikováno v:
Phys. Rev. B 93, 014433 (2016)
A single crystal of the Co2+ based pyrochlore NaCaCo2F7 was studied by inelastic neutron scattering. This frustrated magnet with quenched exchange disorder remains in a strongly correlated paramagnetic state down to one 60th of the Curie-Weiss temper
Externí odkaz:
http://arxiv.org/abs/1503.04494
Publikováno v:
EPL, 114 (2016) 27002
Na3Bi is a Dirac semimetal with protected nodes that may be sensitive to the breaking of time-reversal invariance in a magnetic field B. We report experiments which reveal that both the conductivity and resistivity tensors exhibit robust anomalies in
Externí odkaz:
http://arxiv.org/abs/1502.06266
Autor:
Luo, Huixia, Xie, Weiwei, Tao, Jing, Inoue, Hiroyuki, Gyenis, Andras, Krizan, Jason W., Yazdani, Ali, Zhu, Yimei, Cava, R. J.
Polymorphism in materials often leads to significantly different physical properties - the rutile and anatase polymorphs of TiO2 are a prime example. Polytypism is a special type of polymorphism, occurring in layered materials when the geometry of a
Externí odkaz:
http://arxiv.org/abs/1502.05384
Publikováno v:
Phys. Rev. B 91, 155117 (2015)
We report the structure and magnetic properties of a new iridate compound, SrxLa11-xIr4O24, where the d-electron count of Ir and therefore its number of unpaired electrons can be tuned continuously from 5d5 Ir4+ to 5d4 Ir5+, i.e. from SrLa10Ir4O24 to
Externí odkaz:
http://arxiv.org/abs/1502.03833