化学综合实验1.生物活性配体腺嘌呤金属配合物的构筑及磁性质研究
化学综合实验 1. 生物活性配体腺嘌呤金属配合物的构筑及磁性质研究
aThefirst clear account of suspended100ADmagnetite(Fe,O)magneticcompassesin anylanguagewasWrittenbyShenKua（沈括）in1088AVSTER16thcentury
Alodestonemagnetfromthe1750's andSun RoetMiotorCTapeDrhvsMioletypical ferrite and rareearth used in modernappliances.tVEDoeoMAnb-CaslutionCovtreCoeientFuMotoWindowLintAALMstceUnMotorHeatodASratActuatoTheePenPoaldorCranSenoors
Molecular Materials Are TypicallyDia-orParamagneticParamaonetikX>0"HgCa(SCN)a们Se1/2-300KS-7i21.4KS-112证Coo.LAK300K10-210-11Smu10-310-610410molm-FNoVdz)DiamagneticX=MHTCNECurie LawX<0CX-CuoFeCp2TH20-TCNO.M=XHDDQ.w'uoneznoueznl1X0)01X机X>0BrilloudnFunction5.0Skopea S,g4TTX<0ApplledField,HPaulorTemperatureIndependenlParaniagnelicSpins(tr)areKeytoMagneticBehavlor分子材料通常表现出抗磁或顺磁性
分子材料通常表现出抗磁或顺磁性
Basic Eguations Governing Magnetic BehaviorMagnetization=AppliedMagneticField.SusceptibilityM= HXCurie-WeissLaw:SusceptibilityoTemperature"1Nβ2/k=0.375emuK/molCX=T-0Nβ2/3k=1/8emuK/molNg?us(S+1)1/8 ig2S(S+1) =3kBHe=BohrMagneton,kg=Boltzmann's ConstantV=Avorgadro'sNumber=1.381x10-23J/K=9.274X10-24JT=6.023x1029molecules/mol3xkBT-2.83/xT=μB/g2s(S+1)effA磁物理中的基本公式
磁物理中的基本公式