2003
DOI: 10.1016/s0921-4526(02)02189-0
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Magnetic properties of bond-alternating quantum spin chain system: ()(=,)

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Cited by 14 publications
(7 citation statements)
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“…The calculation suggests the presence of additional features that are not resolved in our data but may be evident the lower-temperature data of Inagaki et al Measurement of the magnetic response of oriented crystals instead of the random arrangement used in our measurement could be helpful in this regard. Furthermore, a complete model should include a finite interchain coupling, J 3 , which presumably drives the transition to long-range order that was observed below 1 K …”
Section: Resultsmentioning
confidence: 99%
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“…The calculation suggests the presence of additional features that are not resolved in our data but may be evident the lower-temperature data of Inagaki et al Measurement of the magnetic response of oriented crystals instead of the random arrangement used in our measurement could be helpful in this regard. Furthermore, a complete model should include a finite interchain coupling, J 3 , which presumably drives the transition to long-range order that was observed below 1 K …”
Section: Resultsmentioning
confidence: 99%
“…Assuming the dimers were ferromagnetically coupled, the data were fit with an S ) 1 Heisenberg (chain) antiferromagnet model that yielded an interdimer coupling constant J/k B ) -4.92 K. 28 In 1988, O'Brien et al 4 reported an unusual field dependence of the high-field (up to 30 T), low-temperature (T ) 1.2 K) magnetization behavior that deviated significantly from that expected for a linear chain of antiferromagnetically coupled S ) 1 dimers. The prominent feature is an apparent two-step saturation of the magnetization for which a plateau corresponding to half-saturation is reached near 5 T, but full saturation is not achieved until 15 T. Current interest in integer spin chains has led to renewed attention for the low-temperature properties of (CH 3 ) 2 NH 2 CuCl 3 , and this result has since been observed by other workers, [30][31][32][33] including the present study (vide infra).…”
Section: Introductionmentioning
confidence: 88%
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“…Thermodynamic and structural considerations were used to identify DMACuCl 3 as an AFM-FM HAC along the a-axis with α ≈ −1 [16,17,18], attracting interest since other experimental realizations of AFM-FM HACs have α ≪ −1 [19,20]. Further measurements were interpreted as independent FM and AFM dimers with evidence for a transition to long range order below T = 0.9 K [21,22]. Preliminary INS in the disordered phase eliminated both independent dimer and a-axis chain models [23].…”
mentioning
confidence: 99%
“…[17][18][19][20][21][22][23][24][25] MCCL crystallizes in the monoclinic structure (space group C2/c) with room-temperature lattice constants a = 17.45Å, b = 8.63Å, c = 11.97Å, and β = 125.41 • . 18,26 The crystal structure consists of Cu-Cl-Cu bonded chains along the c axis with Cu-Cl· · ·Cl-Cu contacts along the a axis.…”
Section: Introductionmentioning
confidence: 99%