scholarly journals Quasi-two-dimensional noncollinear magnetism in the Mott insulator Sr2F2Fe2OS2

2013 ◽  
Vol 87 (2) ◽  
Author(s):  
Liang L. Zhao ◽  
Shan Wu ◽  
Jiakui K. Wang ◽  
J. P. Hodges ◽  
C. Broholm ◽  
...  
Keyword(s):  
Mott Insulator ◽  
Two Dimensional

scholarly journals Pressure-Induced Insulator–Metal Transition in Two-Dimensional Mott Insulator NiPS3

2021 ◽  
Vol 90 (12) ◽  
Author(s):  
Takahiro Matsuoka ◽  
Amanda Haglund ◽  
Rui Xue ◽  
Jesse S. Smith ◽  
Maik Lang ◽  
...  
Keyword(s):  
Mott Insulator ◽  
Two Dimensional ◽  
Insulator Metal Transition

Electronic and vibrational properties of the two-dimensional Mott insulator V0.9PS3 under pressure

2019 ◽  
Vol 100 (3) ◽  
Author(s):  
Matthew John Coak ◽  
Yong-Hyun Kim ◽  
Yoo Soo Yi ◽  
Suhan Son ◽  
Sung Keun Lee ◽  
...  
Keyword(s):  
Mott Insulator ◽  
Vibrational Properties ◽  
Two Dimensional

scholarly journals Two-dimensional ground-state mapping of a Mott-Hubbard system in a flexible field-effect device

2019 ◽  
Vol 5 (5) ◽  
pp. eaav7282 ◽  
Author(s):  
Yoshitaka Kawasugi ◽  
Kazuhiro Seki ◽  
Satoshi Tajima ◽  
Jiang Pu ◽  
Taishi Takenobu ◽  
...  
Keyword(s):  
Phase Diagram ◽  
Ground State ◽  
Field Effect ◽  
Mott Insulator ◽  
Two Dimensional ◽  
Superconducting Transition ◽  
Microscopic Mechanism ◽  
One Dimensional ◽  
First Order ◽  
Insulating Phase

A Mott insulator sometimes induces unconventional superconductivity in its neighbors when doped and/or pressurized. Because the phase diagram should be strongly related to the microscopic mechanism of the superconductivity, it is important to obtain the global phase diagram surrounding the Mott insulating state. However, the parameter available for controlling the ground state of most Mott insulating materials is one-dimensional owing to technical limitations. Here, we present a two-dimensional ground-state mapping for a Mott insulator using an organic field-effect device by simultaneously tuning the bandwidth and bandfilling. The observed phase diagram showed many unexpected features such as an abrupt first-order superconducting transition under electron doping, a recurrent insulating phase in the heavily electron-doped region, and a nearly constant superconducting transition temperature in a wide parameter range. These results are expected to contribute toward elucidating one of the standard solutions for the Mott-Hubbard model.

Two-dimensional radical–cationic Mott insulator based on an electron donor containing neither a tetrathiafulvalene nor tetrathiapentalene skeleton

CrystEngComm ◽  
2020 ◽  
Vol 22 (36) ◽  
pp. 5949-5953
Author(s):  
Tomofumi Kadoya ◽  
Shiori Sugiura ◽  
Keishiro Tahara ◽  
Toshiki Higashino ◽  
Kazuya Kubo ◽  
...  
Keyword(s):  
Electron Donor ◽  
Mott Insulator ◽  
Two Dimensional

We have succeeded in developing a two-dimensional radical–cationic Mott insulator that does not contain a 1,3-dithiol-2-ylidene moiety.

scholarly journals Lattice effects in the quasi-two-dimensional valence-bond-solid Mott insulator EtMe3P[Pd(dmit)2]2

2014 ◽  
Vol 89 (4) ◽  
Author(s):  
Rudra Sekhar Manna ◽  
Mariano de Souza ◽  
Reizo Kato ◽  
Michael Lang
Keyword(s):  
Valence Bond ◽  
Mott Insulator ◽  
Two Dimensional ◽  
Lattice Effects ◽  
Valence Bond Solid

scholarly journals High-density Two-Dimensional Small Polaron Gas in a Delta-Doped Mott Insulator

2013 ◽  
Vol 3 (1) ◽  
Author(s):  
Daniel G. Ouellette ◽  
Pouya Moetakef ◽  
Tyler A. Cain ◽  
Jack Y. Zhang ◽  
Susanne Stemmer ◽  
...  
Keyword(s):  
Small Polaron ◽  
Mott Insulator ◽  
High Density ◽  
Two Dimensional ◽  
Doped Mott Insulator

La2Co2Se2O3: A Quasi-Two-Dimensional Mott Insulator with Unusual Cobalt Spin State and Possible Orbital Ordering

2010 ◽  
Vol 132 (20) ◽  
pp. 7069-7073 ◽  
Author(s):  
Cao Wang ◽  
Ming-qiu Tan ◽  
Chun-mu Feng ◽  
Zhi-feng Ma ◽  
Shuai Jiang ◽  
...  
Keyword(s):  
Spin State ◽  
Mott Insulator ◽  
Two Dimensional ◽  
Orbital Ordering
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