Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Khanolkar, Amey"'
The ultrafast dynamics of the antiferrodistortive (AFD) phase transition in perovskite SrTiO3 is monitored via time-domain Brillouin scattering. Using femtosecond optical pulses, we induce a thermally driven tetragonal-to-cubic structural transformat
Externí odkaz:
http://arxiv.org/abs/2309.03172
Autor:
Hua, Zilong, Adnan, Saqeeb, Khanolkar, Amey R., Rickert, Karl, Turner, David B., Prusnick, Timothy A., Mann, J. Matthew, Hurley, David H., Khafizov, Marat, Dennett, Cody A.
In this work, the thermal transport properties of thorium dioxide (ThO$_2$, thoria) with low levels of substitutional uranium (U) doping are explored. We observe strong indications of resonant phonon scattering, an interaction between phonons and ele
Externí odkaz:
http://arxiv.org/abs/2303.01659
Autor:
Khanolkar, Amey, Wang, Yuzhou, Dennett, Cody A., Hua, Zilong, Mann, J. Matthew, Khafizov, Marat, Hurley, David H.
We report the adiabatic elastic constants of single-crystal thorium dioxide over a temperature range of 77 - 350 K. Time-domain Brillouin scattering (TDBS), an all-optical, non-contact picosecond ultrasonic technique, is used to generate and detect c
Externí odkaz:
http://arxiv.org/abs/2303.01539
Autor:
Khanolkar, Amey, Datye, Amit, Zhang, Yan, Dennett, Cody A., Guo, Weiming, Liu, Yang, Weber, William J., Lin, Hua-Tay, Zhang, Yanwen
Publikováno v:
Journal of Applied Physics; 9/14/2024, Vol. 136 Issue 10, p1-13, 13p
Autor:
Mathis, Mark A., Khanolkar, Amey, Fu, Lyuwen, Bryan, Matthew S., Dennett, Cody A., Rickert, Karl, Mann, J. Matthew, Winn, Barry, Abernathy, Douglas L., Manley, Michael E., Hurley, David H., Marianetti, Chris A.
Publikováno v:
Phys. Rev. B 106, 014314 (2022)
The quasiharmonic approximation (QHA) is the simplest nontrivial approximation for interacting phonons under constant pressure, bringing the effects of anharmonicity into temperature dependent observables. Nonetheless, the QHA is often implemented wi
Externí odkaz:
http://arxiv.org/abs/2202.14016
Autor:
Xiao, Enda, Ma, Hao, Bryan, Matthew S., Fu, Lyuwen, Mann, J. Matthew, Winn, Barry, Abernathy, Douglas L., Hermann, Raphaël P., Khanolkar, Amey R., Dennett, Cody A., Hurley, David H., Manley, Michael E., Marianetti, Chris A.
Phonon lifetimes are a key component of quasiparticle theories of transport, yet first-principles lifetimes are rarely directly compared to inelastic neutron scattering (INS) results. Existing comparisons show discrepancies even at temperatures where
Externí odkaz:
http://arxiv.org/abs/2202.11041
Autor:
Hua, Zilong, Adnan, Saqeeb, Khanolkar, Amey R., Rickert, Karl, Turner, David B., Prusnick, Timothy A., Mann, J. Matthew, Hurley, David H., Khafizov, Marat, Dennett, Cody A.
Publikováno v:
In Journal of Materiomics May 2024 10(3):709-715
Autor:
Moorehead, Michael, Hua, Zilong, Vallejo, Kevin, Beausoleil II, Geoffrey Leonard, Khanolkar, Amey, Gerczak, Tyler, Khafizov, Marat, Hurley, David
Publikováno v:
In Materials Today Advances March 2024 21
Autor:
Ghanem, Maroun Abi, Khoryati, Liliane, Behrou, Reza, Khanolkar, Amey, Raetz, Samuel, Allein, Florian, Boechler, Nicholas, Dehoux, Thomas
Biological composites offer self-healing properties, biocompatibility, high responsivity to external stimuli, and multifunctionality, due, in part, to their complex, hierarchical microstructure. Such materials can be inexpensively grown, and self-ass
Externí odkaz:
http://arxiv.org/abs/2001.10971
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