Spin dynamics in pressure-induced magnetically ordered phases in (C_4H_(12)N_2)Cu_2Cl_6

G. Perren; J. S. Moeller; D. Huevonen; A. A. Podlesnyak; A. Zheludev

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Spin dynamics in pressure-induced magnetically ordered phases in (C_4H_(12)N_2)Cu_2Cl_6

机译：（C_4H_（12）N_2）Cu_2Cl_6的压力感应磁有序相中的自旋动力学

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We present inelastic neutron-scattering experiments on the S = 1/2 frustrated gapped quantum magnet piperazinium hexachlorodicuprate (PHCC) under applied hydrostatic pressure. These results show that at 9 kbar the magnetic triplet excitations in the system are gapless, contrary to what was previously reported. Our results are in agreement with recent muon-spin relaxation experiments which found magnetic order above a quantum-critical point at 4.3 kbar. We show that the changes in the excitation spectrum can be primarily attributed to the change in a single exchange pathway.

机译：我们目前在施加静水压力的条件下，对S = 1/2的受阻带隙带隙量子磁体哌嗪六氯二古酸盐（PHCC）进行非弹性中子散射实验。这些结果表明，在9 kbar时，系统中的磁性三重态激发是无间隙的，这与先前报道的相反。我们的结果与最近的muon-spin弛豫实验一致，该实验发现在4.3 kbar的量子临界点以上的磁阶。我们表明，激发光谱的变化可以主要归因于单一交换途径的变化。

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来源
《Physical review》 |2015年第5期|054413.1-054413.5|共5页
作者
G. Perren; J. S. Moeller; D. Huevonen; A. A. Podlesnyak; A. Zheludev;
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作者单位

Neutron Scattering and Magnetism, Laboratory for Solid State Physics, ETH Zuerich, CH-8093 Zuerich, Switzerland;

Neutron Scattering and Magnetism, Laboratory for Solid State Physics, ETH Zuerich, CH-8093 Zuerich, Switzerland;

Neutron Scattering and Magnetism, Laboratory for Solid State Physics, ETH Zuerich, CH-8093 Zuerich, Switzerland,National Institute of Chemical Physics and Biophysics, 12618 Tallinn, Estonia;

Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6473, USA;

Neutron Scattering and Magnetism, Laboratory for Solid State Physics, ETH Zuerich, CH-8093 Zuerich, Switzerland;

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正文语种 eng
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关键词
neutron inelastic scattering;

机译：中子非弹性散射;

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1. Electron spin resonance study of anisotropic interactions in a two-dimensional spin-gap magnet (C_4H_(12)N_2)(Cu_2Cl_6) [J] . V. N. Glazkov, T. S. Yankova, J. Sichelschmidt, Physical review . 2012,第5期

机译：二维自旋间隙磁体（C_4H_（12）N_2）（Cu_2Cl_6）各向异性相互作用的电子自旋共振研究
2. High-pressure Raman study of the quantum magnet (C_4H_(12)N_2)Cu_2Cl_6 [J] . S. Bettler, G. Simutis, G. Perren, Physical review. B, Condensed Matter And Materals Physics . 2017,第17期

机译：量子磁体（C_4H_（12）N_2）Cu_2Cl_6的高压拉曼研究
3. A new organically templated monodimensional mixed valence (Fe~Ⅱ/Fe~Ⅲ phosphite: (C_4H_(12)N_2)[Fe~ⅡFe~Ⅲ(HPO_3)_2F_3] Solvothermal synthesis, crystal structure, spectroscopic and magnetic properties [J] . Sergio Fernandez-Armas, Jose L. Mesa, Jose L. Pizarro, Materials Research Bulletin . 2007,第3期

机译：一种新的有机模板化一维单价混合亚价态（Fe〜Ⅱ/ Fe〜Ⅲ亚磷酸酯：（C_4H_（12）N_2）[Fe〜ⅡFe〜Ⅲ（HPO_3）_2F_3]溶剂热合成，晶体结构，光谱和磁性
4. Formation of the S = 1 paramagnetic centers in the bond-diluted spin-gap magnet (C_4H_(12)N_2)(Cu_2Cl_6) [C] . V N Glazkov, Yu V Krasnikova, D Huvonen, International Conference on Low Temperature Physics . 2017

机译：在键稀释的旋转间隙磁体中形成S = 1个顺磁心（C_4H_（12）N_2）（CU_2CL_6）
5. Nonlinear Magnetic Dynamics and The Switching Phase Diagrams in Spintronic Devices. [D] . Yan, Shu. 2014

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6. Electric-field control of spin dynamics during magnetic phase transitions [O] . Tianxiang Nan, Yeonbae Lee, Shihao Zhuang, 2020

机译：磁相过渡期间自旋动力学的电场控制
7. Spin dynamics in pressure-induced magnetically-ordered phases in PHCC [O] . Perren, G., Möller, J. S., Hüvonen, D., 2015

机译：pHCC中压力诱导的磁有序相中的自旋动力学
8. Observation of the Dynamic Behavior of the Antiferromagnetic-Ferromagnetic Phase Transition in the One-Dimensional Spin 1/2 Antiferromagnet alpha -CuNSal [R] . Azevedo, L. J., Narath, A., Richards, P. M., 1978

机译：一维自旋1/2反铁磁α-CuNsal中反铁磁 - 铁磁相变动态特性的观察

Spin dynamics in pressure-induced magnetically ordered phases in (C_4H_(12)N_2)Cu_2Cl_6

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