Zobrazeno 1 - 10
of 708
pro vyhledávání: '"Need, Ryan"'
Autor:
Raghavan, Aditya, Arndt, Nathan, Morales-Colón, Nayelie, Wennen, Eli, Wolfe, Megan, Gandin, Carolina Oliveira, Nelson, Kade, Nowak, Robert, Dillon, Sam, Sahebkar, Keon, Need, Ryan F.
Publikováno v:
Phys. Rev. Mater. 8, 024801 (2024)
High-temperature superconductivity is reported in a series of compositionally-complex cuprates with varying degrees of size and spin disorder. Three compositions of Y-site alloyed YBa$_2$Cu$_3$O$_{7-x}$, i.e., (5Y)BCO, were prepared using solid-state
Externí odkaz:
http://arxiv.org/abs/2309.12535
Autor:
Pournia, Seyyedesadaf, Jnawali, Giriraj, Need, Ryan F., Jackson, Howard E., Wilson, Stephen D., Smith, Leigh M.
Bi2Se3 is a prototypical topological insulator which has a small band gap (~0.3 eV) and topologically protected conducting surface states. This material exhibits quite strong thermoelectric effects. Here we show in a mechanically exfoliated thick (~1
Externí odkaz:
http://arxiv.org/abs/2110.10799
Autor:
Li, Sisi, Zhang, Qinghua, Lin, Shan, Sang, Xiahan, Need, Ryan F., Roldan, Manuel A., Cui, Wenjun, Hu, Zhiyi, Jin, Qiao, Chen, Shuang, Zhao, Jiali, Wang, Jia-Ou, Wang, Jiesu, He, Meng, Ge, Chen, Wang, Can, Lu, Hui-Bin, Wu, Zhenping, Guo, Haizhong, Tong, Xin, Zhu, Tao, Kirby, Brian, Gu, Lin, Jin, Kui-juan, Guo, Er-Jia
Low-dimensional quantum materials that remain strongly ferromagnetic down to mono layer thickness are highly desired for spintronic applications. Although oxide materials are important candidates for next generation of spintronic, ferromagnetism deca
Externí odkaz:
http://arxiv.org/abs/2010.09998
Autor:
Khadka, Durga, Thapaliya, T. R., Parra, Sebastian Hurtado, Wen, Jiajia, Need, Ryan, Kikkawa, James M., Huang, S. X.
Publikováno v:
Phys. Rev. Materials 4, 084203 (2020)
The topological kagome magnet (TKM) Fe3Sn2 exhibits unusual topological properties, flat electronic bands, and chiral spin textures, making it an exquisite materials platform to explore the interplay between topological band structure, strong electro
Externí odkaz:
http://arxiv.org/abs/2008.02202
Publikováno v:
Appl. Phys. Lett. 117, 032403 (2020)
FeSn is a topological semimetal (TSM) and kagome antiferromagnet (AFM) composed of alternating Fe3Sn kagome planes and honeycomb Sn planes. This unique structure gives rise to exotic features in the band structures such as the coexistence of Dirac co
Externí odkaz:
http://arxiv.org/abs/2007.05802
Autor:
Khadka, Durga, Thapaliya, T. R., Parra, Sebastian Hurtado, Han, Xingyue, Wen, Jiajia, Need, Ryan F., Khanal, Pravin, Wang, Weigang, Zang, Jiadong, Kikkawa, James M., Wu, Liang, Huang, S. X.
Publikováno v:
Science Advances 6, eabc1977 (2020)
Topology and strong electron correlations are crucial ingredients in emerging quantum materials, yet their intersection in experimental systems has been relatively limited to date. Strongly correlated Weyl semimetals, particularly when magnetism is i
Externí odkaz:
http://arxiv.org/abs/2007.02221
Autor:
Porter, Zach, Need, Ryan F., Ahadi, Kaveh, Zhao, Yang, Xu, Zhijun, Kirby, Brian J., Lynn, Jeffrey W., Stemmer, Susanne, Wilson, Stephen D.
Publikováno v:
Phys. Rev. Materials 4, 054411 (2020)
We report on the evolution of the average and depth-dependent magnetic order in thin film samples of biaxially stressed and electron-doped EuTiO$_3$ for samples across a doping range $<$0.1 to 7.8 $\times 10^{20}$ cm$^{-3}$. Under an applied in-plane
Externí odkaz:
http://arxiv.org/abs/2005.10339
Akademický článek
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Autor:
Gray, Isaiah, Moriyama, Takahiro, Sivadas, Nikhil, Stiehl, Gregory M., Heron, John T., Need, Ryan, Kirby, Brian J., Low, David H., Nowack, Katja C., Schlom, Darrell G., Ralph, Daniel C., Ono, Teruo, Fuchs, Gregory D.
Publikováno v:
Phys. Rev. X 9, 041016 (2019)
As electrical control of N\'eel order opens the door to reliable antiferromagnetic spintronic devices, understanding the microscopic mechanisms of antiferromagnetic switching is crucial. Spatially-resolved studies are necessary to distinguish multipl
Externí odkaz:
http://arxiv.org/abs/1810.03997
Autor:
Jnawali, Giriraj, Linser, Samuel, Shojaei, Iraj Abbasian, Pournia, Seyyedesadaf, Jackson, Howard E., Smith, Leigh M., Need, Ryan F., Wilson, Stephen D.
Bismuth selenide (Bi2Se3) is a prototypical three-dimensional topological insulator whose Dirac surface states have been extensively studied theoretically and experimentally. Surprisingly little, however, is known about the energetics and dynamics of
Externí odkaz:
http://arxiv.org/abs/1805.09381