1.7k citations · 8.3k across the 16 of their papers we have counts for
16 papers
Anisotropy, frustration and saddle point in the twisted Kagome antiferromagnet ErPdPb
Resham Babu Regmi, Sk Jamaluddin, Y. Lee +14
The kagome lattice, with its inherent geometric frustration, provides a rich platform for exploring intriguing magnetic phenomena and topological electronic structures. In reduced-…
Extended exchange interactions stabilize long-period magnetic structures in CrNbS
A. A. Aczel, L. M. DeBeer-Schmitt, T. J. Williams +4
The topologically-protected, chiral soliton lattice is a unique state of matter offering intriguing functionality and it may serve as a robust platform for storing and transporting…
Out-of-Plane Spin-Orientation Dependent Magnetotransport Properties in the Anisotropic Helimagnet CrNbS
Alexander C. Bornstein, Benjamin J. Chapman, Nirmal J. Ghimire +3
Understanding the role of spin-orbit coupling (SOC) has been crucial to controlling magnetic anisotropy in magnetic multilayer films. It has been shown that electronic structure ca…
Spin Structure of the Anisotropic Helimagnet CrNbS in a Magnetic Field
Benjamin J. Chapman, Alexander C. Bornstein, Nirmal J. Ghimire +2
In this letter we describe the ground-state magnetic structure of the highly anisotropic helimagnet CrNbS in a magnetic field. A Heisenberg spin model with Dyzaloshinki…
High Mobility WSe2 p- and n-Type Field Effect Transistors Contacted by Highly Doped Graphene for Low-Resistance Contacts
Hsun-Jen Chuang, Xuebin Tan, Nirmal Jeevi Ghimire +7
We report the fabrication of both n-type and p-type WSe2 field effect transistors with hexagonal boron nitride passivated channels and ionic-liquid (IL)-gated graphene contacts. Ou…
Mobility Improvement and Temperature Dependence in MoSe2 Field-Effect Transistors on Parylene-C Substrate
Bhim Chamlagain, Qing Li, Nirmal Jeevi Ghimire +9
We report low temperature scanning tunneling microscopy characterization of MoSe2 crystals, and the fabrication and electrical characterization of MoSe2 field-effect transistors on…
Probing excitonic states in ultraclean suspended two-dimensional semiconductors by photocurrent spectroscopy
A. R. Klots, A. K. M. Newaz, Bin Wang +12
The optical response of semiconducting monolayer transition-metal dichalcogenides (TMDCs) is dominated by strongly bound excitons that are stable even at room temperature. However,…
Observation of Long-Lived Interlayer Excitons in Monolayer MoSe2-WSe2 Heterostructures
Pasqual Rivera, John R. Schaibley, Aaron M. Jones +9
Two-dimensional (2D) materials, such as graphene1, boron nitride2, and transition metal dichalcogenides (TMDs)3-5, have sparked wide interest in both device physics and technologic…
Coherent Electronic Coupling in Atomically Thin MoSe2
Akshay Singh, Galan Moody, Sanfeng Wu +6
We report the first direct spectroscopic evidence for coherent electronic coupling between excitons and trions in atomically thin transition metal dichalcogenides, specifically mon…
Electrically Tunable Excitonic Light Emitting Diodes based on Monolayer WSe2 p-n Junctions
Jason S. Ross, Philip Klement, Aaron M. Jones +9
Light-emitting diodes are of importance for lighting, displays, optical interconnects, logic and sensors. Hence the development of new systems that allow improvements in their effi…
Spin-Layer Locking Effects in Optical Orientation of Exciton Spin in Bilayer WSe2
Aaron M. Jones, Hongyi Yu, Jason S. Ross +6
Coupling degrees of freedom of distinct nature plays a critical role in numerous physical phenomena. The recent emergence of layered materials provides a laboratory for studying th…
Control of Two-Dimensional Excitonic Light Emission via Photonic Crystal
Sanfeng Wu, Sonia Buckley, Aaron M. Jones +9
Monolayers of transition metal dichalcogenides (TMDCs) have emerged as new optoelectronic materials in the two dimensional (2D) limit, exhibiting rich spin-valley interplays, tunab…
Optical Generation of Excitonic Valley Coherence in Monolayer WSe2
Aaron Mitchell Jones, Hongyi Yu, Nirmal Ghimire +9
Due to degeneracies arising from crystal symmetries, it is possible for electron states at band edges ("valleys") to have additional spin-like quantum numbers. An important questio…
Electrical Control of Two-Dimensional Neutral and Charged Excitons in a Monolayer Semiconductor
Jason S Ross, Sanfeng Wu, Hongyi Yu +8
Monolayer group VI transition metal dichalcogenides have recently emerged as semiconducting alternatives to graphene in which the true two-dimensionality (2D) is expected to illumi…
Magnetic phase transitions in single crystals of the chiral helimagnet Cr1/3NbS2
N. J. Ghimire, M. A. McGuire, D. S. Parker +5
The chiral helimagnet Cr1/3NbS2 has been investigated by magnetic, transport and thermal properties measurements on single crystals and by first principles electronic structure cal…
Complex itinerant ferromagnetism in noncentrosymmetric Cr11Ge19
N. J. Ghimire, M. A. McGuire, D. S. Parker +6
The noncentrosymmetric ferromagnet Cr11Ge19 has been investigated by electrical transport, AC and DC magnetization, heat capacity, x-ray diffraction, resonant ultrasound spectrosco…