Table 1 Magnetic properties of Pt60Co40@CP-HMSNFs and Pt60Co40@MCM-41

From: Functional helical silica nanofibers with coaxial mixed mesostructures for the fabrication of PtCo nanowires that display unique geometry-dependent magnetism

 

5 K

300 K

 
 

Ms

Mr

Mr/Ms

Hc

Ms

Mr

Mr/Ms

Hc

ΔHc a

Pt60Co40@CP-HMSNFs

0.469

0.180

38%

442

0.338

0.110

32%

225

−49.1%

Pt60Co40@MCM-41

0.548

0.249

45%

536

0.391

0.112

29%

165

−69.2%

  1. Abbreviatons: CP-HMSNF, chloropropyl-functionalized helical mesoporous silica nanofiber; Ms, saturation magnetization (in μB f.u.−1); Mr, remanent magnetization (in μB f.u.−1); Hc: coercivity (in Oe).
  2. aΔHc=[Hc(300 K)-Hc(5 K)]/ Hc(5 K).
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