SelectedWorks - M. Mumtaz Qazilbash

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Selected Works of M. Mumtaz Qazilbash

Professor of Physics

M. Mumtaz Qazilbash's research interests include infrared and optical spectroscopy; near-field infrared and optical microscopy; correlated electron systems; high-temperature superconductivity; metal-insulator transitions; novel photovoltaic technologies.

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About M. Mumtaz Qazilbash

M. Mumtaz Qazilbash's research interests include infrared and optical spectroscopy; near-field infrared and optical microscopy; correlated electron systems; high-temperature superconductivity; metal-insulator transitions; novel photovoltaic technologies.

Present	Associate Professor of Physics, William & Mary ‐ Physics Department
Institution Organization Position Type Position Title Time Period to Options Current Position Affiliate my profile with this Institution

Physics and Condensed Matter Physics

http://orcid.org/0000-0002-0124-2023

Articles (26)

Electronic and optical properties of strain-locked metallic Ti2O3 films

Current Applied Physics (2023)

D. J. Lahneman, H. Kim, . ..., M. M. Qazilbash, et al.

We successfully grow corundum structured Ti2O3 films on c-plane sapphire substrates using pulsed laser deposition. Temperature dependent resistivity measurements show that a ...

Insulator-to-metal transition in ultrathin rutile VO2/TiO2(001)

npj Quantum Materials (2022)

D. J. Lahneman, Tetiana Slusar, et al. and M. Mumtaz Qazilbash

An insulator-to-metal transition (IMT) is an emergent characteristic of quantum materials. When the IMT occurs in materials with interacting electronic ...

Protein secondary structure in spider silk nanofibrils

Nature Communications (2022)

Qijue Wang, Patrick McArdle, . ..., M. Mumtaz Qazilbash, et al.

Nanofibrils play a pivotal role in spider silk and are responsible for many of the impressive properties of this unique ...

Orbital-selective metallicity in the valence-bond liquid phase of Li2 RuO3

Physical Review B (2022)

Patrick McArdle, Fei-Ting Huang, Junjie Yang, (...), et al.

Li2RuO3 (LRO) forms a valence bond crystal at room temperature. It undergoes a high temperature phase transition that involves structural, ...

Hyperspectral Infrared Imaging of Surface Phonon-polaritons in SrTiO3

Physical Review B (2021)

D. J. Lahneman and M. M. Qazilbash

Polaritons have a demonstrated impact on nanophotonic applications in the midinfrared through visible spectral range. Surface phonon-polaritons (SPhPs) offer a ...

Partially Metal-Coated Tips for Near-Field Nanospectroscopy

Physical Review Applied (2021)

Yujia Zhang, Xinzhong Chen, (...), M. M. Qazilbash, et al.

Scanning probes with functional optical responses are key components of scanning near-field optical microscopes. For nanospectroscopy performed at IR and ...

Near-field infrared nanospectroscopy of surface phonon-polariton resonances

Physical Review Research (2020)

P. McArdle, D. J. Lahneman, Amlan Biswas, F. Keilmann, et al.

We present combined experimental and numerical work on light-matter interactions at nanometer length scales. We report numerical simulations of near-field ...

Dynamics of the blue pump-induced ultrafast insulator-to-metal transition and relaxation ...

Optical Materials Express (2020)

Scott E. Madaras, Jason A. Creeden, . ..., M. M. Qazilbash, et al.

We study the ultrafast time resolved response of 30 nm films of VO2 on a TiO2 substrate when 3.1 eV (400 nm ...

On the Optical Properties of Thin-Film Vanadium Dioxide from the ...

Annalen der Physik (2019)

Chenghao Wan, Zhen Zhang, . ..., M. M. Qazilbash, et al.

The insulator-to-metal transition (IMT) in vanadium dioxide (VO2) can enable a variety of optics applications, including switching and modulation, optical ...

Superconducting properties of tin-based ENZ and hyperbolic metamaterials

Physica C: Superconductivity and its Applications (2019)

Vera N. Smolyaninova, William Korzi, . ..., M. M. Qazilbash, et al.

Recent experiments have demonstrated that the superconducting critical temperature may be improved in various metamaterial superconductor geometries. Here, we present the results ...

Strong electron-boson coupling in the iron-based superconductor BaFe1.9Pt0.1As2 ...

Physical Review B (2018)

Zhen Xing, Shanta Saha, J. Paglione and M. M. Qazilbash

Understanding the formation of Cooper pairs in iron-based superconductors is one of the most important topics in condensed matter physics. ...

Hundred-fold enhancement in far-field radiative heat transfer over the blackbody ...

Dakotah Thompson, Linxiao Zhu, . ..., M. M. Qazilbash, et al.

Radiative heat transfer (RHT) has a central role in entropy generation and energy transfer at length scales ranging from nanometres ...

Highly Repeatable Nanoscale Phase Coexistence in Vanadium Dioxide Films

Physical Review B (2018)

T. J. Huffman, D. J. Lahneman, (...) and M. M. Qazilbash

It is generally believed that in first-order phase transitions in materials with imperfections, the formation of phase domains must be ...

Broadband near-field infrared spectroscopy with a high temperature plasma light ...

Optics Express (2017)

D. J. Lahneman, T. J. Huffman, Peng Xu and M. M. Qazilbash

Scattering-type scanning near-field optical microscopy (S-SNOM) has enormous potential as a spectroscopy tool in the infrared spectral range where it ...

Insulating Phases of Vanadium Dioxide are Mott-Hubbard Insulators

Physical Review B (2017)

T. J. Huffman, C. Hendriks, E. J. Walter, ..., et al.

We present comprehensive broadband optical spectroscopy data on two insulating phases of vanadium dioxide (VO2): monoclinic M2 and triclinic. The ...

Enhanced superconductivity in aluminum-based hyperbolic metamaterials

Nature: Scientific Reports (2016)

Vera N. Smolyaninova, Christopher Jensen, William Zimmerman, (...), et al.

One of the most important goals of condensed matter physics is materials by design, i.e. the ability to reliably predict ...

Role of electron-electron interactions in the charge dynamics of rare-earth-doped ...

Physical Review B (2016)

Zhen Xing, T. J. Huffman, Peng Xu, (...), et al.

We have investigated the charge dynamics and the nature of many-body interactions in La- and Pr-doped CaFe2As2. From the infrared ...

Random Field Driven Spatial Complexity at the Mott Transition in ...

Physical Review Letters (2016)

Shuo Liu, B. Phillabaum, E. W. Carlson, M. M. Qazilbash, et al.

We report the first application of critical cluster techniques to the Mott metal-insulator transition in vanadium dioxide. We show that ...

Phase transition in bulk single crystals and thin films of ...

Physical Review B (2015)

Mengkun Liu, Aaron J. Sternbach, Martin Wagner, Tetiana V. Slusar, et al.

We have systematically studied a variety of vanadium dioxide (VO2) crystalline forms, including bulk single crystals and oriented thin films, ...

Phase transition in bulk single crystals and thin films of ...

Physical Review B (2015)

Mengkun Liu, Aaron J. Sternbach, (...), M. M. Qazilbash, et al.

We have systematically studied a variety of vanadium dioxide (VO2) crystalline forms, including bulk single crystals and oriented thin films, ...

Modification of electronic structure in compressively strained vanadium dioxide films

Physical Review B (2015)

T. J. Huffman, Peng Xu, A. J. Hollingshad, M. M. Qazilbash, et al.

Vanadium dioxide (VO2) undergoes a phase transition between an insulating monoclinic phase and a conducting rutile phase. Like other correlated ...

Anisotropic infrared response of vanadium dioxide microcrystals

Physical Review B (2013)

T. J. Huffman, Peng Xu, M. M. Qazilbash and et al.

Vanadium dioxide (VO2) undergoes a phase transition at a temperature of 340 K between an insulating monoclinic M-1 phase and ...

Thermal tuning of mid-infrared plasmonic antenna arrays using a phase ...

Optics Letters (2013)

Mikhail A. Kats, Romain Blanchard, (...), M. M. Qazilbash, et al.

We demonstrate that the resonances of infrared plasmonic antennas can be tuned or switched on/off by taking advantage of the ...

Ultra-thin perfect absorber employing a tunable phase change material

Applied Physics Letters (2012)

Mikhail A. Kats, Deepika Sharma, (...), M. M. Qazilbash, et al.

We show that perfect absorption can be achieved in a system comprising a single lossy dielectric layer of thickness much ...

Insulator-to-metal transition and correlated metallic state of V 2 O ...

Physical Review B (2012)

M. K. Stewart, D. Brownstead, (...), M. M. Qazilbash, et al.

The optical properties of V2O3 thin films are investigated across the insulator-to-metal transition and in the metallic state. The spectral ...