Thank you very much, Prof. Stephens, my mailing address is bellow. Congwu Cui ***************************************************************** Department of Physiology and Biomedical Engineering Alfred 2-404, Mayo Clinic College of Medicine 200 First Street SW Rochester MN 55905
phone: 507-255-8496 e-mail: [EMAIL PROTECTED] ***************************************************************** Quoting [EMAIL PROTECTED]: > I'll mail you some fine Si powder if you send me your address. > > My best guess is that you have a relatively big lump of Si in your > sample > that happens to be lined up to make a bright spot from the bremstrahlung > > part of the spectrum. It happens to meet some Si Bragg reflection > condition for some wavelength in the brems. spectrum. > > ^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~ > Peter W. Stephens > Professor, Department of Physics and Astronomy > Stony Brook University > Stony Brook, NY 11794-3800 > fax 631-632-8176 >
