Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Tarapada Sarkar"'
Publikováno v:
New Journal of Physics, Vol 20, Iss 4, p 043019 (2018)
We have studied the electronic structure of electron-doped cuprate superconductors via measurements of high-field Shubnikov–de Haas oscillations in thin films. In optimally doped Pr _2− _x Ce _x CuO _4± _δ and La _2− _x Ce _x CuO _4± _δ , q
Externí odkaz:
https://doaj.org/article/2825465e7ff04a0f82bb22de086278ef
Autor:
Nicholas R. Poniatowski, Tarapada Sarkar, Ricardo P. S. M. Lobo, Sankar Das Sarma, Richard L. Greene
It has recently been conjectured that the transport relaxation rate in metals is bounded above by the temperature of the system. In this work, we discuss the transport phenomenology of overdoped electron-doped cuprates, which we show constitute an un
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1f9299b7f62cc978a0949295ec7465a
http://arxiv.org/abs/2109.00513
http://arxiv.org/abs/2109.00513
Autor:
Mun Chan, Tarapada Sarkar, Richard L. Greene, P. R. Mandal, Nicholas R. Poniatowski, Joshua Higgins
Publikováno v:
Physical Review B. 103
The low-temperature linear-in-T resistivity of ``strange metals,'' such as the metallic state of the cuprate high-temperature superconductors, has long been thought to be associated with a quantum critical point. However, recent transport studies of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d51f52c0fd4939cfbd400a75e91e6a6e
https://doi.org/10.1103/physrevb.103.224501
https://doi.org/10.1103/physrevb.103.224501
Publikováno v:
Physical Review B. 103
We report the observation of resistivity saturation in lightly doped ($x\sim 0.10)$ as-grown samples of the electron-doped cuprate La$_{2-x}$Ce$_x$CuO$_4$ (LCCO). The saturation occurs at resistivity values roughly consistent with the phenomenologica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::439db08c344850b73fd59aef71ff060d
https://doi.org/10.1103/physrevb.103.l020501
https://doi.org/10.1103/physrevb.103.l020501
Autor:
Anaelle Legros, Richard L. Greene, Tarapada Sarkar, N. P. Armitage, Zhenisbek Tagay, Fahad Mahmood
Although cuprate superconductors have been intensively studied for the past decades, there is no consensus regarding the microscopic origin of their superconductivity. In this work, we measure the low-energy electrodynamic response of slightly underd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::824d6164a739b35c3184c37b4ee4aa9a
http://arxiv.org/abs/2012.03183
http://arxiv.org/abs/2012.03183
We report magnetoresistance and Hall angle measurements of the electron-doped cuprate La$_{2-x}$Ce$_x$CuO$_4$ over a wide range of dopings from $x = 0.08 - 0.17$. Above 100 K, we find an unconventional $\sim H^{3/2}$ magnetic field dependence of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9596aad4f36b916e39444ae32969f4cb
http://arxiv.org/abs/1912.00974
http://arxiv.org/abs/1912.00974
Publikováno v:
Journal of Magnetism and Magnetic Materials. 432:49-55
The chemically synthesized high purity spinel NiCr2−xDyxO4 (x = 0, 0.1) samples have been characterized using magnetic and dielectric measurements in presence of high magnetic field. Crystal and magnetic structure of the samples have been determine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a86da9250b65e61ce2065bf2369af12
https://doi.org/10.1016/j.jmmm.2017.01.090
https://doi.org/10.1016/j.jmmm.2017.01.090
Autor:
Di S. Wei, Richard L. Greene, Aharon Kapitulnik, P. R. Mandal, Tarapada Sarkar, Nicholas R. Poniatowski, Juanjuan Zhang
The cuprate high-temperature superconductors (HTSC) have been the subject of intense study for more than 30 years with no consensus yet on the underlying mechanism of the superconductivity. Conventional wisdom dictates that the mysterious and extraor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3baaaf0bb212171c649c8a7304c4bda
http://arxiv.org/abs/1902.11235
http://arxiv.org/abs/1902.11235
An understanding of the high-temperature copper oxide (cuprate) superconductors has eluded the physics community for over thirty years, and represents one of the greatest unsolved problems in condensed matter physics. Particularly enigmatic is the no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e46bf4c1c1b0f88971bf07e0e8d567fe
Publikováno v:
Physical Review B. 98
We present experimental results for the in-plane resistivity of the electron-doped cuprate superconductor $La_{2-x}Ce_xCuO_4$ above its transition temperature $T_c$ as a function of Ce doping x and temperature. For the doping x between 0.11 and 0.17,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8f6ccaf0bffa9790e290599583e3e91
https://doi.org/10.1103/physrevb.98.224503
https://doi.org/10.1103/physrevb.98.224503