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37 papers
Elucidating the Mechanism of Large Phosphate Molecule Intercalation Through Graphene Heterointerfaces
Jiayun Liang, Ke Ma, Xiao Zhao +19
Intercalation is a process of inserting chemical species into the heterointerfaces of two-dimensional (2D) layered materials. While much research has focused on intercalating metal…
In-plane hyperbolic polariton tuners in terahertz and long-wave infrared regimes
Wuchao Huang, Thomas G. Folland, Fengsheng Sun +8
Development of terahertz (THz) and long-wave infrared (LWIR) technologies is mainly bottlenecked by the limited intrinsic response of traditional materials. Hyperbolic phonon polar…
Infrared super-resolution wide-field microscopy using sum-frequency generation
Richarda Niemann, Sören Wasserroth, Guanyu Lu +6
Super-resolution microscopy in the visible is an established powerful tool in several disciplines. In the infrared (IR) spectral range, however, no comparable schemes have been dem…
Interface quality in GaSb/AlSb short period superlattices
Md Nazmul Alam, Joseph R. Matson, Patrick Sohr +2
Heterostructures including the members of the 6.1Å semiconductor family (AlSb, GaSb, and InAs) are used in infrared optoelectronic devices as well as a variety of other application…
Nanoscale Phonon Spectroscopy Reveals Emergent Interface Vibrational Structure of Superlattices
Eric R. Hoglund, De-Liang Bao, Andrew O'Hara +16
As the length-scales of materials decrease, heterogeneities associated with interfaces approach the importance of the surrounding materials. Emergent electronic and magnetic interf…
Van der Waals phonon polariton microstructures for configurable infrared electromagnetic field localizations
Wuchao Huang, Fengsheng Sun, Zebo Zheng +7
Polar van der Waals (vdW) crystals that support phonon polaritons have recently attracted much attention because they can confine infrared and terahertz (THz) light to deeply subwa…