D
D. Grauer
Researcher at Princeton University
Publications - 13
Citations - 6485
D. Grauer is an academic researcher from Princeton University. The author has contributed to research in topics: Topological insulator & Dirac fermion. The author has an hindex of 9, co-authored 13 publications receiving 5873 citations. Previous affiliations of D. Grauer include Scripps Research Institute & Lawrence Berkeley National Laboratory.
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Observation of a large-gap topological-insulator class with a single Dirac cone on the surface
Yuqi Xia,Dong Qian,Dong Qian,David Hsieh,Lewis Wray,Arijeet Pal,Hsin Lin,Arun Bansil,D. Grauer,Yew San Hor,Robert J. Cava,M. Z. Hasan +11 more
TL;DR: In this paper, an angle-resolved photo-emission spectroscopy study was conducted to reveal the first observation of a topological state of matter featuring a single surface Dirac cone realized in the naturally occurring Bi-2Se-3 class of materials.
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A tunable topological insulator in the spin helical Dirac transport regime
David Hsieh,Yuqi Xia,Dong Qian,Lewis Wray,Jan Hugo Dil,Jan Hugo Dil,Fabian Meier,Fabian Meier,Jürg Osterwalder,Luc Patthey,Joseph Checkelsky,Nai Phuan Ong,Alexei V. Fedorov,Hsin Lin,Arun Bansil,D. Grauer,Yew San Hor,Robert J. Cava,M. Z. Hasan +18 more
TL;DR: The results reveal a spin-momentum locked Dirac cone carrying a non-trivial Berry’s phase that is nearly 100 per cent spin-polarized, which exhibits a tunable topological fermion density in the vicinity of the Kramers point and can be driven to the long-sought topological spin transport regime.
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Observation of time-reversal-protected single-Dirac-cone topological-insulator states in Bi2Te3 and Sb2Te3
David Hsieh,Yuqi Xia,Dong Qian,Lewis Wray,Fabian Meier,Fabian Meier,Jan Hugo Dil,Jan Hugo Dil,Jürg Osterwalder,Luc Patthey,Alexei V. Fedorov,Hsin Lin,Arun Bansil,D. Grauer,Yew San Hor,Robert J. Cava,M. Z. Hasan +16 more
TL;DR: It is directly shown that Bi2Te3 is a large spin-orbit-induced indirect bulk band gap semiconductor whose surface is characterized by a single topological spin-Dirac cone, and it is demonstrated that the dynamics of spin- Dirac fermions can be controlled through systematic Mn doping.
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Electrodeposited cobalt-sulfide catalyst for electrochemical and photoelectrochemical hydrogen generation from water.
TL;DR: The facile preparation of this Co-S film, along with its low overpotential, high activity, and long-term aqueous stability, offer promising features for potential use in solar energy applications.
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Modulation of Gene Expression via Disruption of NF-κB Signaling by a Bacterial Small Molecule
Vladimir V. Kravchenko,Gunnar F. Kaufmann,John C. Mathison,David A. Scott,Alexander Z. Katz,D. Grauer,Mandy Lehmann,Michael M. Meijler,Kim D. Janda,Richard J. Ulevitch +9 more
TL;DR: These findings uncover a strategy by which C12-producing opportunistic pathogens, such as Pseudomonas aeruginosa, attenuate the innate immune system to establish and maintain local persistent infection in humans, for example, in cystic fibrosis patients.