Developments on Susceptibility and Magnetization Measurements under High Hydrostatic Pressure

Alireza, Patricia; Barakat, S.; Cumberlidge, A.-M.; Lonzarich, G. G.; Nakamura, Fumihiko; Maeno, Y.

doi:10.1143/jpsjs.76sa.216

Cited by 21 publications

(18 citation statements)

References 8 publications

(3 reference statements)

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“…Pressures of up to 5.3 GPa were achieved with a moissanite anvil cell [33]. The body of the cell is made of Cu-Ti alloy and the gasket is made of Cu-Be.…”

Section: Methodsmentioning

confidence: 99%

Suppression of ferromagnetism in the La(V_xCr_1−x)Sb₃system

Lin

Taufour

Bud’ko

et al. 2014

Philosophical Magazine

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To explore the possibility of quantum phase transitions and even quantum criticality in LaCrSb 3 based compounds, we performed measurements under pressure as well as a vanadium substitution study. The Curie temperature of LaCrSb 3 was found to be invariant under pressure. Although pressure was not able to suppress the ferromagnetism, chemical substitution was used as another parameter to tune the magnetism. We grew La(VxCr 1−x )Sb 3 (x = 0 -1.0) single crystals, and studied the series by measurements of temperature and field dependent magnetic susceptibility, magnetization, resistivity, and specific heat. Ferromagnetism has been observed for x ≤ 0.22, and the system manifests a strong anisotropy in its ordered state. The Curie temperature decreases monotonically as the V concentration increases. For 0.42 ≤ x ≤ 0.73, the system enters a new magnetic state at low temperatures, and no magnetic ordering above 1.8 K can be observed for x ≥ 0.88. The effective moment µ eff /Cr varies only slightly as the V concentration increases, from 3.9 µ B for x = 0 to 2.9 µ B for x = 0.88. Features related to quantum criticality have not been observed in the La(VxCr 1−x )Sb 3 system.

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“…Pressures of up to 5.3 GPa were achieved with a moissanite anvil cell [33]. The body of the cell is made of Cu-Ti alloy and the gasket is made of Cu-Be.…”

Section: Methodsmentioning

confidence: 99%

Suppression of ferromagnetism in the La(V_xCr_1−x)Sb₃system

Lin

Taufour

Bud’ko

et al. 2014

Philosophical Magazine

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“…Pressure inside the sample space was determined by the ruby fluorescence method at room temperature and in some instances verified by the superconducting transition temperature of a lead sample at low temperatures. Additional measurements on dc magnetization were performed using a SQUID anvil cell specifically developed to be used in a Quantum Design MPMS system [43,44]. The cell, gasket, and pressure medium were set up similar to the one described above, using 0.6 mm diamond anvils, MP35 gasket, and glycerol as the pressure medium.…”

mentioning

confidence: 99%

Accessing the entire overdoped regime in pristine YBa2Cu3O6+x by application of pressure

et al. 2017

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We uncover the previously inaccessible overdoped regime to attain the complete superconducting dome in a pristine high temperature cuprate superconductor, by applying pressures up to 280 kbar to single crystals near stoichiometric YBa 2 Cu 3 O 7 . The obtained superconducting phase boundary as a function of hole doping closely follows the form of the superconducting dome in La 2−x Sr x CuO 4 . Measurements are now enabled to trace the evolution of various entangled phases and the Fermi surface from the underdoped to overdoped regime in a single high purity cuprate superconducting family of materials.

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“…[2,3,5,27]. The magnetization measurements under pressure were performed using a moissanite anvil cell [28]. Daphne 7474 was used as a pressure medium [29], and the pressure was determined at 77 K by the ruby fluorescence technique [30].…”

Section: Computational and Experimental Methodsmentioning

confidence: 99%

Using first-principles calculations to screen for fragile magnetism: Case study of LaCrGe3 and LaCrSb3

et al. 2018

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In this paper, we present a coupled experimental/theoretical investigation of pressure effect on the ferromagnetism of LaCrGe3 and LaCrSb3 compounds. The magnetic, electronic, elastic, and mechanical properties of LaCrGe3 and LaCrSb3 at ambient condition are studied by first-principles density-functional theory calculations. The pressure dependences of the magnetic properties of LaCrGe3 and LaCrSb3 are also investigated. The ferromagnetism in LaCrGe3 is rather fragile, with a ferro-to paramagnetic transition at a relatively small pressure (around 7 GPa from our calculations, and 2 GPa in experiments). The key parameter controlling the magnetic properties of LaCrGe3 is found to be the proximity of the peak of Cr density of states to the Fermi level, a proximity that is strongly correlated with the distance between Cr atoms along the c axis, suggesting that there would be a simple way to suppress magnetism in systems with one-dimensional arrangement of magnetic atoms. By contrast, the ferromagnetism in LaCrSb3 is not fragile. Our theoretical results are consistent with our experimental results and demonstrate the feasibility of using first-principles calculations to aid experimental explorations in screening for materials with fragile magnetism. In this paper, we present a coupled experimental/theoretical investigation of pressure effect on the ferromagnetism of LaCrGe 3 and LaCrSb 3 compounds. The magnetic, electronic, elastic, and mechanical properties of LaCrGe 3 and LaCrSb 3 at ambient condition are studied by first-principles density-functional theory calculations. The pressure dependences of the magnetic properties of LaCrGe 3 and LaCrSb 3 are also investigated. The ferromagnetism in LaCrGe 3 is rather fragile, with a ferro-to paramagnetic transition at a relatively small pressure (around 7 GPa from our calculations, and 2 GPa in experiments). The key parameter controlling the magnetic properties of LaCrGe 3 is found to be the proximity of the peak of Cr density of states to the Fermi level, a proximity that is strongly correlated with the distance between Cr atoms along the c axis, suggesting that there would be a simple way to suppress magnetism in systems with one-dimensional arrangement of magnetic atoms. By contrast, the ferromagnetism in LaCrSb 3 is not fragile. Our theoretical results are consistent with our experimental results and demonstrate the feasibility of using first-principles calculations to aid experimental explorations in screening for materials with fragile magnetism. Disciplines Condensed Matter Physics | Materials Science and Engineering | Physics

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Developments on Susceptibility and Magnetization Measurements under High Hydrostatic Pressure

Cited by 21 publications

References 8 publications

Suppression of ferromagnetism in the La(V_xCr_1−x)Sb₃system

Suppression of ferromagnetism in the La(V_xCr_1−x)Sb₃system

Accessing the entire overdoped regime in pristine YBa2Cu3O6+x by application of pressure

Using first-principles calculations to screen for fragile magnetism: Case study of LaCrGe3 and LaCrSb3

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Developments on Susceptibility and Magnetization Measurements under High Hydrostatic Pressure

Cited by 21 publications

References 8 publications

Suppression of ferromagnetism in the La(VxCr1−x)Sb3system

Suppression of ferromagnetism in the La(VxCr1−x)Sb3system

Accessing the entire overdoped regime in pristine YBa2Cu3O6+x by application of pressure

Using first-principles calculations to screen for fragile magnetism: Case study of LaCrGe3 and LaCrSb3

Contact Info

Product

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Suppression of ferromagnetism in the La(V_xCr_1−x)Sb₃system

Suppression of ferromagnetism in the La(V_xCr_1−x)Sb₃system