Frustration effect and possibility of spin quantum liquid state in a tetrahedral spin ½ molecule

2021 ◽  
Author(s):  
Said Id Bakas ◽  
Mohamed El Hafidi
Keyword(s):  
Liquid State ◽  
Frustration Effect ◽  
Quantum Liquid ◽  
Spin Quantum

Neutron Inelastic Scattering Study of LiNiO2: a Candidate for the Spin Quantum Liquid

1990 ◽  
Vol 59 (9) ◽  
pp. 3081-3084 ◽  
Author(s):  
Kinshiro Hirakawa ◽  
Ray Osborn ◽  
Andrew D. Taylor ◽  
Kaoru Takeda
Keyword(s):  
Inelastic Scattering ◽  
Quantum Liquid ◽  
Neutron Inelastic Scattering ◽  
Spin Quantum ◽  
Scattering Study

scholarly journals Absence of Jahn−Teller transition in the hexagonal Ba3CuSb2O9 single crystal

2015 ◽  
Vol 112 (30) ◽  
pp. 9305-9309 ◽  
Author(s):  
Naoyuki Katayama ◽  
Kenta Kimura ◽  
Yibo Han ◽  
Joji Nasu ◽  
Natalia Drichko ◽  
...  
Keyword(s):  
Single Crystal ◽  
Liquid State ◽  
Electron Systems ◽  
Quantum Liquid ◽  
Orbital Ordering ◽  
Spin Orbital ◽  
Teller Distortion ◽  
Single Crystal Study ◽  
Jahn Teller ◽  
Jahn Teller Distortion

With decreasing temperature, liquids generally freeze into a solid state, losing entropy in the process. However, exceptions to this trend exist, such as quantum liquids, which may remain unfrozen down to absolute zero owing to strong quantum entanglement effects that stabilize a disordered state with zero entropy. Examples of such liquids include Bose−Einstein condensation of cold atoms, superconductivity, quantum Hall state of electron systems, and quantum spin liquid state in the frustrated magnets. Moreover, recent studies have clarified the possibility of another exotic quantum liquid state based on the spin–orbital entanglement in FeSc2S4. To confirm this exotic ground state, experiments based on single-crystalline samples are essential. However, no such single-crystal study has been reported to date. Here, we report, to our knowledge, the first single-crystal study on the spin–orbital liquid candidate, 6H-Ba3CuSb2O9, and we have confirmed the absence of an orbital frozen state. In strongly correlated electron systems, orbital ordering usually appears at high temperatures in a process accompanied by a lattice deformation, called a static Jahn−Teller distortion. By combining synchrotron X-ray diffraction, electron spin resonance, Raman spectroscopy, and ultrasound measurements, we find that the static Jahn−Teller distortion is absent in the present material, which indicates that orbital ordering is suppressed down to the lowest temperatures measured. We discuss how such an unusual feature is realized with the help of spin degree of freedom, leading to a spin–orbital entangled quantum liquid state.

Frustration effect following correlated nonreinforcement.

1968 ◽  
Vol 78 (3, Pt.1) ◽  
pp. 396-400 ◽  
Author(s):  
Frank A. Logan
Keyword(s):  
Frustration Effect

Incomplete reduction of reward and the frustration effect with hunger constant.

1969 ◽  
Vol 80 (3, Pt.1) ◽  
pp. 493-497
Author(s):  
Lawrence A. Hall ◽  
John N. Marr
Keyword(s):  
Frustration Effect

METGLAS ALLOY 2826

Alloy Digest ◽  
1976 ◽  
Vol 25 (11) ◽  
Keyword(s):  
Magnetic Properties ◽  
Metallic Glass ◽  
Liquid State ◽  
Single Phase ◽  
Heat Treating ◽  
High Permeability ◽  
Metallic Material ◽  
Nickel Iron ◽  
Rapid Quench ◽  
Chemical Corporation

Abstract METGLAS Alloy 2826 (Fe40Ni40P14B6) is a ferromagnetic, high permeability, nickel-iron metallic glass which, when appropriately annealed, yields a material similar to the higher nickel containing permalloys in magnetic properties. Alloy 2826 is a single phase, opaque metallic material with a glass-like structure obtained by a very rapid quench from the liquid state. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on forming and heat treating. Filing Code: Ni-235. Producer or source: Allied Chemical Corporation.

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