scholarly journals Geometrical frustration and competing orders in the dipolar trimerized triangular lattice

2021 ◽  
Vol 104 (1) ◽  
Author(s):  
Kevin Hofhuis ◽  
Charlotte F. Petersen ◽  
Michael Saccone ◽  
Scott Dhuey ◽  
Armin Kleibert ◽  
...  
Keyword(s):  
Triangular Lattice ◽  
Geometrical Frustration ◽  
Competing Orders

scholarly journals Uniaxial-Pressure-Induced Release of Magnetic Frustration in a Triangular Lattice Antiferromagnet YbCuGe

Metals ◽  
2020 ◽  
Vol 11 (1) ◽  
pp. 30
Author(s):  
Kazunori Umeo ◽  
Daichi Watanabe ◽  
Koji Araki ◽  
Kenichi Katoh ◽  
Toshiro Takabatake
Keyword(s):  
Hydrostatic Pressure ◽  
Specific Heat ◽  
Triangular Lattice ◽  
Uniaxial Pressure ◽  
Antiferromagnetic Order ◽  
Magnetic Frustration ◽  
Geometrical Frustration ◽  
Triangular Lattice Antiferromagnet

We have studied the effect of geometrical frustration on the antiferromagnetic order in the Yb-based triangular lattice compound YbCuGe below TN = 4.2 K by the measurements of magnetization and specific heat under hydrostatic and uniaxial pressures. By applying hydrostatic pressure P up to 1.34 GPa, TN hardly changes. By contrast, TN increases as P is applied along the hexagonal a axis, while TN decreases by the application of P along the c axis. The increase of TN only for P‖a suggests the release of the frustration inherent in the triangular lattice of Yb ions of this compound.

scholarly journals Geometrical frustration of phase-separated domains in Coscinodiscus diatom frustules

2021 ◽  
Author(s):  
Maria Feofilova ◽  
Silvan Schüepp ◽  
Roman Schmid ◽  
Florian Hacker ◽  
Hendrik T. Spanke ◽  
...  
Keyword(s):  
Cell Wall ◽  
Triangular Lattice ◽  
Biological Pathways ◽  
The Other ◽  
Top Down ◽  
Geometrical Frustration ◽  
Physical Mechanisms ◽  
A Cell

Diatoms are single-celled organisms with a cell wall made of silica, called the frustule. Even though their elaborate patterns have fascinated scientists for years, little is known about the biological and physical mechanisms underlying their organization. In this work, we take a top-down approach and examine the micron-scale organization of diatoms from the Coscinodiscus family. We find two competing tendencies of organization, which appear to be controlled by distinct biological pathways. On one hand, micron-scale pores organize locally on a triangular lattice. On the other, lattice vectors tend to point globally toward a center of symmetry. This competition results in a frustrated triangular lattice, populated with geometrically necessary defects whose density increases near the center.

scholarly journals One-dimensionalization by Geometrical Frustration in the Anisotropic Triangular Lattice of the 5d Quantum Antiferromagnet Ca3ReO5Cl2

2019 ◽  
Vol 88 (4) ◽  
pp. 044708 ◽  
Author(s):  
Daigorou Hirai ◽  
Kazuhiro Nawa ◽  
Mitsuaki Kawamura ◽  
Takahiro Misawa ◽  
Zenji Hiroi
Keyword(s):  
Triangular Lattice ◽  
Geometrical Frustration ◽  
Quantum Antiferromagnet

1H-NMR study of Mott insulator κ -(ET)2Cu2(CN)3with isotropic triangular lattice

2004 ◽  
Vol 114 ◽  
pp. 377-378 ◽  
Author(s):  
Y. Shimizu ◽  
K. Miyagawa ◽  
K. Oda ◽  
K. Kanoda ◽  
M. Maesato ◽  
...  
Keyword(s):  
1H Nmr ◽  
Triangular Lattice ◽  
Mott Insulator ◽  
Nmr Study

Triangular lattice antiferromagnet RbFe(MoO4)2

2010 ◽  
Vol 180 (8) ◽  
pp. 880 ◽  
Author(s):  
Aleksandr I. Smirnov ◽  
L.E. Svistov ◽  
Lyudmila A. Prozorova ◽  
O.A. Petrenko ◽  
M. Hagiwara
Keyword(s):  
Triangular Lattice ◽  
Triangular Lattice Antiferromagnet
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