2023
Evidence of Near Ambient Superconductivity in a N-Doped Lanthanide Hydride
Nathan Dasenbrock-Gammon, Elliot Snider, Raymond McBride, Hiranya Vindana, Dylan Durkee, Nugzari Khalvashi-shyyer, Sasanka Munasinghe, Sachith Dissanayake, Keith Lawler, Ashkan Salamat, Ranga P. Dias, in production Nature (2023)
Observation of Conventional Superconductivity in Carbonaceous Sulfur Hydride at Near Ambient Temperature
Hiranya Vindana, Elliot Snider, Sasanka Munasinghe, Sachith Dissanayake, Nilesh P. Salke Nugzari Khalvashi-shyyer, G. Alexander Smith, Nathan Dasenbrock-Gammon, Sergio Villa-Cortés, Zhenxian Liu, Dean Smith, Keith Lawler, Maddury Somayazulu, Russell J. Hemley, Ashkan Salamat, Ranga P. Dias, Under review in Nature (2023)
Metallic hydrogen: Experiments on Metastability
Ferreira, M. Møller, K. Linsuain, J. Song, Ashkan Salamat, Ranga P. Dias, Isaac F. Silvera, Under review in Phys. Rev. B. (2023)
2022
Second harmonic AC calorimetry technique within a diamond anvil cell
Nathan Dasenbrock-Gammon, Raymond McBride, Gyeongjae Yoo, Sachith Dissanayake, and Ranga Dias, Review of Scientific Instruments 93, 093901 (2022)
Carbon content drives high temperature superconductivity in a carbonaceous sulfur hydride below 100 GPa
G Alexander Smith, Ines E Collings, Elliot Snider, Dean Smith, Sylvain Petitgirard, Jesse Smith, Melanie White, Elyse Jones, Paul Ellison, Keith V Lawler, Ranga P Dias, Ashkan Salamat, Chem. Commun., 58, 9064-9067 (2022)
Pressure Induced 3D strain in 2D monolayer graphene
Nathan Dasenbrock-Gammon, Sachith Dissanayake, Ranga P. Dias, “Pressure Induced 3D strain in 2D monolayer graphene” Under review in Phys. Rev. Lett. (2022)
Dispersion interactions in proposed covalent superhydride superconductors
Lazar Novakovic, Dean Sayre, Daniel Schacher, Ranga P. Dias, Ashkan Salamat, and Keith V. Lawler “Dispersion interactions in proposed covalent superhydride superconductors” Phys. Rev. B. 105, 024512 (2022)
2021
Stabilization of Superconducting Superhydrides
Ranga P. Dias, Journal of Physics: Condensed Matter, Volume 34, Number 18 (2021), Roadmap article on Advances towards Room Temperature Superconductivity, Invited article
Laser-Induced Cooperative Transition in Molecular Electronic Crystal
Yong Hu, Dasharath Adhikari, Andrew Tan, Xi Dong, Taishan Zhu, Xiaoyu Wang, Travis Mitchell, Ziheng Yao, Nathan Dasenbrock-Gammon, Elliot Snider, Ranga P. Dias, Richard Kim, Ahmed Hussein, Jiawei Zhang, Yulong Huang, Feng Hu, Ruizhe Yang, Zheng Li, Jason Armstrong, Jigang Wang, Mengkun Liu, Jason Benedict, Eva Zurek, Sambandamurthy Gana-pathy, Jeffrey Grossman, Pengpeng Zhang, Shenqiang Ren, Adv. Mater., 33: 2170309 (2021)
X-ray diffraction and equation of state of the C–S–H room-temperature superconductor
Anmol Lamichhane, Ravhi Kumar, Muhtar Ahart, Nilesh P. Salke, Nathan Dasenbrock-Gammon, Elliot Snider, Yue Meng, Barbara Lavina, Stella Chariton, Vitali B. Prakapenka, Maddury Somayazulu, Ranga P. Dias, and Russell J. Hemley, J. Chem. Phys. 155, 114703 (2021)
Phases of the hydrogen isotopes under pressure: metallic hydrogen
Isaac F. Silvera, Ranga P. Dias, Advances in Physics: X 2021, Vol. 6, No. 1, 1961607, Invited article
Metallic Hydrogen
Isaac F. Silvera, Ranga P. Dias, Inference: International Review of Science 6, No. 2 (2021), Invited article
Dylan Durkee, Nathan Dasenbrock-Gammon, Alexander Smith, Elliot Snider, Christian Childs, Jesse Smith, Simon Kimber, Keith Lawler, Ranga P. Dias, Ashkan Salamat Phys. Rev. Lett. 127, 016401 (2021); Editors’ Suggestion
Elliot Snider, Nathan Dasenbrock-Gammon, Raymond McBride, Noah Meyers, Keith Lawler, Ashkan Salamat, Ranga P. Dias Phys. Rev. Lett. 126, 117003 (2021); Editors’ Suggestion, Featured in Physics
2020
Room Temperature Superconductivity in a Carbonaceous Sulfur Hydride
Elliot Snider, Nathan Dasenbrock-Gammon, Raymond McBride, Mathew Debessai, Hiranya P. Vindana, Kevin Vencatasamy, Keith Lawler, Ashkan Salamat, Ranga P. Dias Nature, volume 586, 373–377(202
- The New York Times
Finally, the First Room-Temperature Superconductor - Nature Podcast
Superconductivity gets heated - NewScientist
First room-temperature superconductor could spark energy revolution – - Nature News
First room-temperature superconductor - Chemistry World
Room temperature superconductivity finally claimed by mystery material - BBC News
Superconductors: Material raises hope of energy revolution - The Economist
Material that can conduct electricity with perfect efficiency at ambient temperatures - ScienceNews
The first room-temperature superconductor has finally been found - Science Magazine News
At last, room temperature superconductivity achieved - MIT Technology Review
Room-temperature superconductivity has been achieved for the first time - Scientific America
First Room-Temperature Superconductor Excites and Baffles Scientists - Physicsworld
Superconductivity endures to 15 °C in high-pressure material - Quantamagazine
Room-Temperature Superconductivity Achieved for the First Time – - Interview with German National Radio
The holy grail of solid state physics
Hole-Doped Room-Temperature Superconductivity in H3S1-xZx
Yanfeng Ge, Fan Zhang, Ranga P. Dias, Russell J. Hemley, Yugui Yao, Materials Today Physics 15, 100330 (2020)
2019
Quantum phase transition in solid hydrogen at high pressure
Ranga P. Dias, Ori Noked, Isaac F. Silvera Physical Review B 100 (18), 184112 (2019)
Anomalous Conductivity in the Rutile Structure Driven by Local Disorder
Dean Smith, Daniel Sneed, Nathan Dasenbrock-Gammon, Elliot Snider, G. Alexander Smith, Christian Childs, Jeffrey S. Pigott, Nenad Velisavljevic, Changyong Park, Keith V. Lawler, Ranga P. Dias, and Ashkan Salamat J. Phys. Chem. Lett. 10, 5351−5356 (2019)
2017
Observation of the Wigner-Huntington Transition to Solid Metallic Hydrogen
Ranga P. Dias, Isaac F. Silvera
Science 355, 715-718 (2017)
Publication highlights and reports about this work
- The Harvard Gazette
Advance in high-pressure physics - The New York Times
Hydrogen Squeezed Into a Metal, Possibly Solid, Harvard Physicists Say - Independent
Hydrogen turned into metal in stunning act of alchemy that could revolutionise technology and spaceflight - BBC Science in Action
Making Metallic Hydrogen - NewScientist
Metallic hydrogen finally made in lab at mind-boggling pressure
Metallic hydrogen
Isaac F. Silvera, Ranga P. Dias, Ori Noked, Ashkan Salamat, Mohamed Zaghoo J. Low. Temp. Phys. 142, 1-6 (2017)
2016
Dense Carbon Monoxide to 160 GPa: Polymerization to a Two-Dimensional Layered Solid
J. Chem. Phys. C 120, 27548-27554 (2016)
Young-Jay Ryu, Minseob Kim, Jinhyuk Lim, Ranga P. Dias, Dennis Klug, Choong-Shik Yoo
New Phases and Dissociation-Recombination of Hydrogen Deuteride to 3.4 Mbar
Ranga P. Dias, Ori Noked, Isaac F. Silvera
Phys. Rev. Lett. 116, 145501 (2016)
Structural transitions and metallization in dense GeS
Ranga P. Dias, Minseob Kim, Choong-Shik Yoo
Phys. Rev. B. 93, 104107 (2016)
Crystal Structures and Dynamical Properties of Dense CO2
Xue Yong, Hanyu Liua, Yansun Yao, John S. Tse, Ranga P. Dias, Choong-Shik Yoo
Proc. Natl. Acad. Sci. USA 110, 11720-11724 (2016)
Pressure-induced Transformations of Dense Carbonyl Sulfide to Singly Bonded Amorphous Metallic Solid
Minseob Kim, Ranga P. Dias, Yasuo Ohishi, Takehiro Matsuoka, Jing Chen, Choong-Shik Yoo
Nature Sci.Rep. 6, 31594 (2016) R.D. and M.K. contributed equally as co-first authors
2014
Densification, Polyamorphism and Pressure Induced Metallization at the Rigidity Percolation Threshold in Densified GeSe4 glass
Bora Kalkan, Ranga P. Dias, Choong-Shik Yoo, Simon M. Clark, Sabyasachi Sen
J. Phys. Chem. C. 118, 51105121 (2014)
2013
Superconductivity in highly disordered dense carbon disulfide
Ranga P. Dias, Choong-Shik Yoo, Viktor V. Struzhkin, Minseob Kim, Takaki Muramatsu, Takahiro Matsuoka, Yasuo Ohishi, Stainislav Sinogeikin
Proc. Natl. Acad. Sci. USA 110, 11720-11724 (2013)
2012
Time-Resolved Synchrotron X-ray Diffraction on Pulse Laser Heated Iron in DAC”
Choong-Shik Yoo, Haoyan Wei, Ranga P. Dias, Guoyin Shen, Jesse Smith, William Evans
Journal of Physics: Conference Series, 377, 012108 (2012)
2011
“Stubborn” triaminotrinitrobenzene:Unusual chemical stability of a molecular solid to 150 GPa
Alistair J. Davidson, Ranga P. Dias, Dana M. Dattelbaum, Choong-Shik Yoo
J. Chem. Phys. 135, 174507 (2011)
Insulator-metal transition of highly compressed carbon disulfide
Ranga P. Dias, Choong-Shik Yoo, Minseob Kim, John S. Tse
Phys. Rev. B. 84, 144104-1-6 (2011)