Matches in SemOpenAlex for { <https://semopenalex.org/work/W3048233701> ?p ?o ?g. }
- W3048233701 endingPage "465804" @default.
- W3048233701 startingPage "465804" @default.
- W3048233701 abstract "Structural analysis of spin frustrated Ho2Ge x Ti2-x O7 (x = 0, 0.1, 0.15 & 0.25) pyrochlore oxides has been performed using high resolution x-ray diffraction pattern and low temperature synchrotron x-ray diffraction pattern. The effect of positive chemical pressure on the spin dynamics of Ho2Ge x Ti2-x O7 has been analysed through the study of static (M-T and M-H; magnetisation against temperature & magnetisation against magnetic field) and dynamical (ac susceptibility) magnetic measurements. In lower temperature regime (∼2 K), such systems are predominantly governed by competing exchange (J nn) and dipolar (D nn) magnetic interactions. Magnetic measurements indicate that the application of increased chemical pressure in Ho2Ti2O7 matrix propels the system towards diminished ferromagnetic interaction. Dipolar coupling constant remains almost unchanged but Curie-Weiss temperature (θ cw) reduces to -0.04 K from 0.33 K (for an applied magnetic field; H = 100 Oe) with increasing x in Ho2Ge x Ti2-x O7. Positive chemical pressure establishes the dominance of Ho-Ho antiferromagnetic interaction J nn over dipolar interaction D nn. Spin relaxation feature corresponding to thermally activated single ion freezing (T s∼15 K) is shifted towards lower temperature. This chemical pressure-driven T s shift is ascribed to the alteration in crystal field effect, which reduces the activation energy for singe ion spin freezing. The reduction in the activation energy indicates crystal field-phonon coupling in Ho2Ge x Ti2-x O7 system. The robustness in spin ice freezing (second spin relaxation feature in ac susceptibility curve) remains unaffected with increasingly chemical pressure. This spin freezing ('2 in-2 out' spin arrangement in tetrahedra) is related to quantum tunnelling phenomenon, at T ice ∼ 2 K. It indicates that majority of spins still follows the 'ice rule' in Ho2Ge x Ti2-x O7 even after the application of chemical pressure." @default.
- W3048233701 created "2020-08-13" @default.
- W3048233701 creator A5042988341 @default.
- W3048233701 creator A5043381889 @default.
- W3048233701 creator A5068749353 @default.
- W3048233701 creator A5081316273 @default.
- W3048233701 date "2020-08-25" @default.
- W3048233701 modified "2023-10-18" @default.
- W3048233701 title "Robust spin-ice freezing in magnetically frustrated Ho<sub>2</sub>Ge<sub> <i>x</i> </sub>Ti<sub>2<b>−</b> <i>x</i> </sub>O<sub>7</sub> pyrochlore" @default.
- W3048233701 cites W1603056557 @default.
- W3048233701 cites W1607550529 @default.
- W3048233701 cites W1619589459 @default.
- W3048233701 cites W1657975661 @default.
- W3048233701 cites W1675720522 @default.
- W3048233701 cites W1705264769 @default.
- W3048233701 cites W1775780108 @default.
- W3048233701 cites W1965561409 @default.
- W3048233701 cites W1968038649 @default.
- W3048233701 cites W1971907740 @default.
- W3048233701 cites W1982497386 @default.
- W3048233701 cites W1989487041 @default.
- W3048233701 cites W1995656741 @default.
- W3048233701 cites W1998981899 @default.
- W3048233701 cites W2006293149 @default.
- W3048233701 cites W2007443732 @default.
- W3048233701 cites W2016117426 @default.
- W3048233701 cites W2028056984 @default.
- W3048233701 cites W2044156532 @default.
- W3048233701 cites W2052683764 @default.
- W3048233701 cites W2066223309 @default.
- W3048233701 cites W2074454787 @default.
- W3048233701 cites W2077722455 @default.
- W3048233701 cites W2088916728 @default.
- W3048233701 cites W2091393784 @default.
- W3048233701 cites W2128117725 @default.
- W3048233701 cites W2151864877 @default.
- W3048233701 cites W2316170120 @default.
- W3048233701 cites W2325856369 @default.
- W3048233701 cites W2328627596 @default.
- W3048233701 cites W2606853573 @default.
- W3048233701 cites W2741405767 @default.
- W3048233701 cites W2766932497 @default.
- W3048233701 cites W2808637521 @default.
- W3048233701 cites W2889597211 @default.
- W3048233701 cites W2902428200 @default.
- W3048233701 cites W3036622339 @default.
- W3048233701 doi "https://doi.org/10.1088/1361-648x/abace1" @default.
- W3048233701 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32759482" @default.
- W3048233701 hasPublicationYear "2020" @default.
- W3048233701 type Work @default.
- W3048233701 sameAs 3048233701 @default.
- W3048233701 citedByCount "1" @default.
- W3048233701 countsByYear W30482337012023 @default.
- W3048233701 crossrefType "journal-article" @default.
- W3048233701 hasAuthorship W3048233701A5042988341 @default.
- W3048233701 hasAuthorship W3048233701A5043381889 @default.
- W3048233701 hasAuthorship W3048233701A5068749353 @default.
- W3048233701 hasAuthorship W3048233701A5081316273 @default.
- W3048233701 hasConcept C115260700 @default.
- W3048233701 hasConcept C121332964 @default.
- W3048233701 hasConcept C149298590 @default.
- W3048233701 hasConcept C155355069 @default.
- W3048233701 hasConcept C15744967 @default.
- W3048233701 hasConcept C178790620 @default.
- W3048233701 hasConcept C185592680 @default.
- W3048233701 hasConcept C192562407 @default.
- W3048233701 hasConcept C25949731 @default.
- W3048233701 hasConcept C26873012 @default.
- W3048233701 hasConcept C2776029896 @default.
- W3048233701 hasConcept C2779303976 @default.
- W3048233701 hasConcept C32546565 @default.
- W3048233701 hasConcept C44280652 @default.
- W3048233701 hasConcept C62520636 @default.
- W3048233701 hasConcept C63648874 @default.
- W3048233701 hasConcept C77805123 @default.
- W3048233701 hasConcept C8010536 @default.
- W3048233701 hasConcept C82217956 @default.
- W3048233701 hasConceptScore W3048233701C115260700 @default.
- W3048233701 hasConceptScore W3048233701C121332964 @default.
- W3048233701 hasConceptScore W3048233701C149298590 @default.
- W3048233701 hasConceptScore W3048233701C155355069 @default.
- W3048233701 hasConceptScore W3048233701C15744967 @default.
- W3048233701 hasConceptScore W3048233701C178790620 @default.
- W3048233701 hasConceptScore W3048233701C185592680 @default.
- W3048233701 hasConceptScore W3048233701C192562407 @default.
- W3048233701 hasConceptScore W3048233701C25949731 @default.
- W3048233701 hasConceptScore W3048233701C26873012 @default.
- W3048233701 hasConceptScore W3048233701C2776029896 @default.
- W3048233701 hasConceptScore W3048233701C2779303976 @default.
- W3048233701 hasConceptScore W3048233701C32546565 @default.
- W3048233701 hasConceptScore W3048233701C44280652 @default.
- W3048233701 hasConceptScore W3048233701C62520636 @default.
- W3048233701 hasConceptScore W3048233701C63648874 @default.
- W3048233701 hasConceptScore W3048233701C77805123 @default.
- W3048233701 hasConceptScore W3048233701C8010536 @default.
- W3048233701 hasConceptScore W3048233701C82217956 @default.
- W3048233701 hasIssue "46" @default.
- W3048233701 hasLocation W30482337011 @default.